#850D1F

Closest named color: Dark Red (#8B0000). oklch(39.6% 0.15 21.5), rgb(133, 13, 31).

Aa

White text reads best on this color (10.12:1).

About this color

#850D1F is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.150 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.025 away. White text reads best on it, at 10.12:1.

Hue familyReds
Lightnessdark (40%)
Chromavivid (0.150)
Temperaturewarm
Nearest nameDark Red (#8B0000)
Black text2.07:1
White text10.12:1

Values

HEX#850D1F
RGBrgb(133, 13, 31)
HSLhsl(351, 82%, 29%)
OKLCHoklch(39.6% 0.15 21.5)

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 #850D1F 10.12:1 AAA Lc -96.0 Preferred for body text
Black text on #850D1F 2.07:1 Fails Lc 12.3 Not readable
#850D1F text on white 10.12:1 AAA Lc 91.7 Preferred for body text
#850D1F 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

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FFE2E0

    oklch(93.6% 0.032 22.5)

  3. Step 200

    200

    #FFCAC8

    oklch(88.5% 0.061 20.9)

  4. Step 300

    300

    #FFA4A2

    oklch(80.9% 0.108 21.1)

  5. Step 400

    400

    #FD696D

    oklch(70.7% 0.181 21.3)

  6. Step 500

    500

    #F62D46

    oklch(63.2% 0.231 21.5)

  7. Step 600

    600

    #D70032

    oklch(55.5% 0.224 21.5)

  8. Step 700

    700

    #B60029

    oklch(49% 0.197 21.4)

  9. Step 800

    800

    #970020

    oklch(42.7% 0.172 21.5)

  10. Step 900

    900 (this color)

    #850D1F

    oklch(39.6% 0.15 21.5)

  11. Step 950

    950

    #4B0910

    oklch(27% 0.096 21.5)

Export this scale for Tailwind in the Tailwind colors tool

#850D1F 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)#36321E0.167
Deuteranopia (no green cones)#534A1B0.151
Tritanopia (no blue cones)#9300160.030
Achromatopsia (no color)#4242420.151

Harmonies

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

Complementary

The opposite hue (180°).

  • #850D1F

    #850D1F

    oklch(39.6% 0.15 21.5)

  • #005156

    #005156

    oklch(39.6% 0.067 202)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #850D1F

    #850D1F

    oklch(39.6% 0.15 21.5)

  • #7D1150

    #7D1150

    oklch(39.7% 0.151 351.4)

  • #703300

    #703300

    oklch(39.6% 0.102 51.7)

Open the analogous palette in the generator

Split complementary

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

  • #850D1F

    #850D1F

    oklch(39.6% 0.15 21.5)

  • #005441

    #005441

    oklch(39.7% 0.078 170.8)

  • #004D6A

    #004D6A

    oklch(39.5% 0.081 232.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #850D1F

    #850D1F

    oklch(39.6% 0.15 21.5)

  • #0B5700

    #0B5700

    oklch(39.8% 0.132 141.5)

  • #113F96

    #113F96

    oklch(39.6% 0.151 261.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #850D1F

    #850D1F

    oklch(39.6% 0.15 21.5)

  • #494B00

    #494B00

    oklch(39.8% 0.088 111.5)

  • #005156

    #005156

    oklch(39.6% 0.067 202)

  • #4B2F8F

    #4B2F8F

    oklch(39.6% 0.15 291.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #850D1F, closest first.

Similar named colors

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

Use #850D1F 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.