#331C1B

Closest named color: Dark Brown (#341C02). oklch(25.7% 0.037 22.6), rgb(51, 28, 27).

Aa

White text reads best on this color (15.87:1).

About this color

#331C1B is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.037 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.036 away. White text reads best on it, at 15.87:1.

Hue familyReds
Lightnessdark (26%)
Chromamuted (0.037)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.32:1
White text15.87:1

Values

HEX#331C1B
RGBrgb(51, 28, 27)
HSLhsl(2, 31%, 15%)
OKLCHoklch(25.7% 0.037 22.6)

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 #331C1B 15.87:1 AAA Lc -105.3 Preferred for body text
Black text on #331C1B 1.32:1 Fails Lc 0.0 Not readable
#331C1B text on white 15.87:1 AAA Lc 102.7 Preferred for body text
#331C1B text on black 1.32:1 Fails Lc 0.0 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 950.

  1. Step 50

    50

    #F9F4F4

    oklch(97.1% 0.005 17.2)

  2. Step 100

    100

    #F2E7E6

    oklch(93.6% 0.012 23.7)

  3. Step 200

    200

    #E9D3D2

    oklch(88.5% 0.025 20.8)

  4. Step 300

    300

    #DCB6B4

    oklch(80.9% 0.044 21.6)

  5. Step 400

    400

    #C8908D

    oklch(70.7% 0.069 22.4)

  6. Step 500

    500

    #B97470

    oklch(63.1% 0.088 23.5)

  7. Step 600

    600

    #A45B59

    oklch(55.5% 0.096 22.3)

  8. Step 700

    700

    #8D4B49

    oklch(49.2% 0.09 22.7)

  9. Step 800

    800

    #723E3C

    oklch(42.7% 0.073 22.9)

  10. Step 900

    900

    #5D3533

    oklch(37.8% 0.058 23.2)

  11. Step 950

    950 (this color)

    #331C1B

    oklch(25.7% 0.037 22.6)

Export this scale for Tailwind in the Tailwind colors tool

#331C1B 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)#211F1B0.038
Deuteranopia (no green cones)#26241B0.036
Tritanopia (no blue cones)#37191C0.013
Achromatopsia (no color)#2222220.037

Harmonies

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

Complementary

The opposite hue (180°).

  • #331C1B

    #331C1B

    oklch(25.7% 0.037 22.6)

  • #09282B

    #09282B

    oklch(25.6% 0.036 204.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #331C1B

    #331C1B

    oklch(25.7% 0.037 22.6)

  • #311C25

    #311C25

    oklch(25.8% 0.036 352.6)

  • #311E12

    #311E12

    oklch(25.6% 0.036 52.7)

Open the analogous palette in the generator

Split complementary

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

  • #331C1B

    #331C1B

    oklch(25.7% 0.037 22.6)

  • #0E2921

    #0E2921

    oklch(25.7% 0.037 171.4)

  • #0F2632

    #0F2632

    oklch(25.6% 0.037 233.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #331C1B

    #331C1B

    oklch(25.7% 0.037 22.6)

  • #192817

    #192817

    oklch(25.8% 0.037 141.6)

  • #1A2335

    #1A2335

    oklch(25.7% 0.037 263.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #331C1B

    #331C1B

    oklch(25.7% 0.037 22.6)

  • #23250F

    #23250F

    oklch(25.6% 0.037 113.3)

  • #09282B

    #09282B

    oklch(25.6% 0.036 204.2)

  • #242034

    #242034

    oklch(25.8% 0.037 292.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #331C1B, closest first.

Similar named colors

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

Use #331C1B 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.