#851B2D

Closest named color: Red Wine (#8C0034). oklch(40.8% 0.14 17.1), rgb(133, 27, 45).

Aa

White text reads best on this color (9.58:1).

About this color

#851B2D is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.140 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.029 away. White text reads best on it, at 9.58:1.

Hue familyReds
Lightnessdark (41%)
Chromavivid (0.140)
Temperaturewarm
Nearest nameRed Wine (#8C0034)
Black text2.19:1
White text9.58:1

Values

HEX#851B2D
RGBrgb(133, 27, 45)
HSLhsl(350, 66%, 31%)
OKLCHoklch(40.8% 0.14 17.1)

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 #851B2D 9.58:1 AAA Lc -95.3 Preferred for body text
Black text on #851B2D 2.19:1 Fails Lc 13.1 Not readable
#851B2D text on white 9.58:1 AAA Lc 90.9 Preferred for body text
#851B2D text on black 2.19:1 Fails Lc -11.5 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 800.

  1. Step 50

    50

    #FDF3F3

    oklch(97.2% 0.011 17.3)

  2. Step 100

    100

    #F9E4E4

    oklch(93.6% 0.023 17.6)

  3. Step 200

    200

    #F6CECE

    oklch(88.6% 0.045 18)

  4. Step 300

    300

    #F1ACAD

    oklch(81% 0.081 18)

  5. Step 400

    400

    #E67C83

    oklch(70.6% 0.131 16.8)

  6. Step 500

    500

    #DC5664

    oklch(63.2% 0.168 17.1)

  7. Step 600

    600

    #C7354B

    oklch(55.6% 0.182 17.2)

  8. Step 700

    700

    #AB253C

    oklch(49% 0.169 17.1)

  9. Step 800

    800 (this color)

    #851B2D

    oklch(40.8% 0.14 17.1)

  10. Step 900

    900

    #70232C

    oklch(37.8% 0.108 17.2)

  11. Step 950

    950

    #42161A

    oklch(27.1% 0.068 17.4)

Export this scale for Tailwind in the Tailwind colors tool

#851B2D 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)#3A372D0.154
Deuteranopia (no green cones)#544D2A0.142
Tritanopia (no blue cones)#9200230.030
Achromatopsia (no color)#4545450.141

Harmonies

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

Complementary

The opposite hue (180°).

  • #851B2D

    #851B2D

    oklch(40.8% 0.14 17.1)

  • #005557

    #005557

    oklch(40.8% 0.069 197.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #851B2D

    #851B2D

    oklch(40.8% 0.14 17.1)

  • #7B1F58

    #7B1F58

    oklch(40.8% 0.139 347)

  • #793200

    #793200

    oklch(41% 0.113 47.4)

Open the analogous palette in the generator

Split complementary

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

  • #851B2D

    #851B2D

    oklch(40.8% 0.14 17.1)

  • #005840

    #005840

    oklch(40.8% 0.084 166.8)

  • #00526B

    #00526B

    oklch(40.9% 0.079 226.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #851B2D

    #851B2D

    oklch(40.8% 0.14 17.1)

  • #235800

    #235800

    oklch(40.8% 0.124 137.3)

  • #064693

    #064693

    oklch(40.7% 0.14 257.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #851B2D

    #851B2D

    oklch(40.8% 0.14 17.1)

  • #504D00

    #504D00

    oklch(41% 0.088 107.1)

  • #005557

    #005557

    oklch(40.8% 0.069 197.5)

  • #483790

    #483790

    oklch(40.7% 0.141 287.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #851B2D, closest first.

Similar named colors

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

Use #851B2D 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.