Accessibility (WCAG 2.1)
Aa
On White
4.96:1
AA Pass
Aa
On Black
4.24:1
Large Only
Aa
White on Color
4.96:1
AA Pass
Aa
Black on Color
4.24:1
Large Only
Relative Luminance
0.1618
Dark
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives
Accessibility (WCAG 2.1)
Aa
On White
3.81:1
Large Only
Aa
On Black
5.51:1
AA Pass
Aa
White on Color
3.81:1
Large Only
Aa
Black on Color
5.51:1
AA Pass
Relative Luminance
0.2257
Mid-tone
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives
Cornflower Blue
13.6%
Blue
Accessibility (WCAG 2.1)
Aa
On Black
7.92:1
AAA Pass
Aa
White on Color
2.65:1
Fail
Aa
Black on Color
7.92:1
AAA Pass
Relative Luminance
0.3459
Mid-tone
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives
Accessibility (WCAG 2.1)
Aa
On Black
9.73:1
AAA Pass
Aa
White on Color
2.16:1
Fail
Aa
Black on Color
9.73:1
AAA Pass
Relative Luminance
0.4364
Mid-tone
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives
Accessibility (WCAG 2.1)
Aa
On Black
13.29:1
AAA Pass
Aa
White on Color
1.58:1
Fail
Aa
Black on Color
13.29:1
AAA Pass
Relative Luminance
0.6147
Light
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives
Light Slate Gray
8.5%
Gray
Accessibility (WCAG 2.1)
Aa
On White
3.63:1
Large Only
Aa
On Black
5.79:1
AA Pass
Aa
White on Color
3.63:1
Large Only
Aa
Black on Color
5.79:1
AA Pass
Relative Luminance
0.2395
Mid-tone
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives
Cornflower Blue
8.3%
Blue
Accessibility (WCAG 2.1)
Aa
On White
3.11:1
Large Only
Aa
On Black
6.76:1
AA Pass
Aa
White on Color
3.11:1
Large Only
Aa
Black on Color
6.76:1
AA Pass
Relative Luminance
0.2879
Mid-tone
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives
Accessibility (WCAG 2.1)
Aa
On Black
7.58:1
AAA Pass
Aa
White on Color
2.77:1
Fail
Aa
Black on Color
7.58:1
AAA Pass
Relative Luminance
0.3288
Mid-tone
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives