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#8B0000

Darkred Color — #8B0000

Complete color reference for #8B0000: conversions to RGB, HSL, HSV, CMYK, color harmonies, shades & tints scale, and WCAG accessibility contrast ratios.

Color Format Conversions

HEX#8B0000
RGBrgb(139, 0, 0)
HSLhsl(0, 100%, 27%)
HSVhsv(0, 100%, 55%)
CMYKC:0% M:100% Y:100% K:45%
CSS Colordarkred
Decimal9109504
Luminance0.0549

WCAG Accessibility Contrast

#8B0000 on White
Ratio: 10.01:1 — AAA
#8B0000 on Black
Ratio: 2.1:1 — Fail
White on #8B0000
Ratio: 10.01:1 — AAA
Black on #8B0000
Ratio: 2.1:1 — Fail

WCAG AA requires ≥4.5:1 (normal text) or ≥3:1 (large text). WCAG AAA requires ≥7:1.

Shades & Tints Scale

50#F9F2F2
100#EED9D9
200#DCB3B3
300#CB8C8C
400#B45959
500#8B0000
600#6F0000
700#530000
800#380000
900#230000

Steps 50–400 are tints (mixed with white); 500 is the base color; 600–900 are shades (mixed with black).

Color Harmonies

Related Color Tools

Frequently Asked Questions

What is the RGB equivalent of #8B0000?

The RGB equivalent is rgb(139, 0, 0). The red channel is 139, green is 0, and blue is 0 (scale 0–255).

What is the HSL value of #8B0000?

The HSL value is hsl(0, 100%, 27%). Hue is 0°, saturation is 100%, and lightness is 27%.

Does #8B0000 meet WCAG accessibility standards?

On a white background, #8B0000 achieves a 10.01:1 contrast ratio (AAA). On a black background it achieves 2.1:1 (Fail). WCAG AA requires ≥4.5:1 for normal text.

What is the complementary color of #8B0000?

The complementary color (180° opposite on the hue wheel) of #8B0000 is #008A8A.