#85100B

Closest named color: Dark Red (#8B0000). oklch(39.6% 0.151 29), rgb(133, 16, 11).

Aa

White text reads best on this color (10.11:1).

About this color

#85100B is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.151 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.014 away. White text reads best on it, at 10.11:1.

Hue familyReds
Lightnessdark (40%)
Chromavivid (0.151)
Temperaturewarm
Nearest nameDark Red (#8B0000)
Black text2.07:1
White text10.11:1

Values

HEX#85100B
RGBrgb(133, 16, 11)
HSLhsl(2, 85%, 28%)
OKLCHoklch(39.6% 0.151 29)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #85100B 10.11:1 AAA Lc -96.0 Preferred for body text
Black text on #85100B 2.07:1 Fails Lc 12.3 Not readable
#85100B text on white 10.11:1 AAA Lc 91.7 Preferred for body text
#85100B text on black 2.07:1 Fails Lc -10.7 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.

  1. Step 50

    50

    #FFF2F0

    oklch(97.1% 0.014 28)

  2. Step 100

    100

    #FFE2DE

    oklch(93.5% 0.033 27.1)

  3. Step 200

    200

    #FFCBC2

    oklch(88.5% 0.061 29.7)

  4. Step 300

    300

    #FFA698

    oklch(81% 0.108 29.4)

  5. Step 400

    400

    #FD6C5B

    oklch(70.7% 0.181 29.1)

  6. Step 500

    500

    #F63227

    oklch(63.1% 0.231 28.9)

  7. Step 600

    600

    #D90003

    oklch(55.6% 0.228 29)

  8. Step 700

    700

    #B80002

    oklch(49.2% 0.202 29)

  9. Step 800

    800

    #980002

    oklch(42.7% 0.175 28.9)

  10. Step 900

    900 (this color)

    #85100B

    oklch(39.6% 0.151 29)

  11. Step 950

    950

    #4B0A07

    oklch(27% 0.096 28.5)

Export this scale for Tailwind in the Tailwind colors tool

#85100B with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#3931080.163
Deuteranopia (no green cones)#554A020.146
Tritanopia (no blue cones)#9300110.030
Achromatopsia (no color)#4242420.152

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #85100B

    #85100B

    oklch(39.6% 0.151 29)

  • #00505A

    #00505A

    oklch(39.5% 0.068 209.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #85100B

    #85100B

    oklch(39.6% 0.151 29)

  • #800E45

    #800E45

    oklch(39.6% 0.151 358.9)

  • #6A3800

    #6A3800

    oklch(39.6% 0.093 59.7)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #85100B

    #85100B

    oklch(39.6% 0.151 29)

  • #005347

    #005347

    oklch(39.6% 0.073 178.6)

  • #004C71

    #004C71

    oklch(39.6% 0.089 239)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #85100B

    #85100B

    oklch(39.6% 0.151 29)

  • #005621

    #005621

    oklch(39.6% 0.112 148.9)

  • #273B96

    #273B96

    oklch(39.6% 0.151 268.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #85100B

    #85100B

    oklch(39.6% 0.151 29)

  • #414D00

    #414D00

    oklch(39.6% 0.093 119.4)

  • #00505A

    #00505A

    oklch(39.5% 0.068 209.2)

  • #542B8A

    #542B8A

    oklch(39.6% 0.15 299.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #85100B, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #85100B in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.