#851513

Closest named color: Dark Red (#8B0000). oklch(40% 0.147 27.7), rgb(133, 21, 19).

Aa

White text reads best on this color (9.93:1).

About this color

#851513 is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.147 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.018 away. White text reads best on it, at 9.93:1.

Hue familyReds
Lightnessdark (40%)
Chromavivid (0.147)
Temperaturewarm
Nearest nameDark Red (#8B0000)
Black text2.11:1
White text9.93:1

Values

HEX#851513
RGBrgb(133, 21, 19)
HSLhsl(1, 75%, 30%)
OKLCHoklch(40% 0.147 27.7)

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 #851513 9.93:1 AAA Lc -95.8 Preferred for body text
Black text on #851513 2.11:1 Fails Lc 12.5 Not readable
#851513 text on white 9.93:1 AAA Lc 91.5 Preferred for body text
#851513 text on black 2.11:1 Fails Lc -10.9 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

    #FFCBC3

    oklch(88.6% 0.06 28.4)

  4. Step 300

    300

    #FFA59A

    oklch(80.9% 0.109 27.3)

  5. Step 400

    400

    #FB6D60

    oklch(70.6% 0.176 27.7)

  6. Step 500

    500

    #F43631

    oklch(63.2% 0.225 27.6)

  7. Step 600

    600

    #D90012

    oklch(55.7% 0.227 27.7)

  8. Step 700

    700

    #B8000D

    oklch(49.2% 0.201 27.7)

  9. Step 800

    800

    #980009

    oklch(42.7% 0.174 27.7)

  10. Step 900

    900 (this color)

    #851513

    oklch(40% 0.147 27.7)

  11. Step 950

    950

    #4A0C09

    oklch(27% 0.093 28.1)

Export this scale for Tailwind in the Tailwind colors tool

#851513 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)#3A33110.159
Deuteranopia (no green cones)#554B0D0.144
Tritanopia (no blue cones)#9300160.030
Achromatopsia (no color)#4343430.148

Harmonies

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

Complementary

The opposite hue (180°).

  • #851513

    #851513

    oklch(40% 0.147 27.7)

  • #00525B

    #00525B

    oklch(40.1% 0.069 207.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #851513

    #851513

    oklch(40% 0.147 27.7)

  • #7F1448

    #7F1448

    oklch(39.9% 0.146 357.4)

  • #6D3800

    #6D3800

    oklch(40.1% 0.096 57.9)

Open the analogous palette in the generator

Split complementary

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

  • #851513

    #851513

    oklch(40% 0.147 27.7)

  • #005447

    #005447

    oklch(39.9% 0.074 177.6)

  • #004D71

    #004D71

    oklch(39.9% 0.088 238)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #851513

    #851513

    oklch(40% 0.147 27.7)

  • #00571E

    #00571E

    oklch(39.8% 0.116 147.8)

  • #263D95

    #263D95

    oklch(39.9% 0.147 267.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #851513

    #851513

    oklch(40% 0.147 27.7)

  • #444E00

    #444E00

    oklch(40.1% 0.093 117.8)

  • #00525B

    #00525B

    oklch(40.1% 0.069 207.5)

  • #532E8B

    #532E8B

    oklch(40% 0.147 297.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #851513, closest first.

Similar named colors

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

Use #851513 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.