#331A1C

Closest named color: Dark Brown (#341C02). oklch(25.3% 0.04 15.2), rgb(51, 26, 28).

Aa

White text reads best on this color (16.08:1).

About this color

#331A1C is a dark, muted red. In OKLCH its lightness is 25%, its chroma 0.040 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.041 away. White text reads best on it, at 16.08:1.

Hue familyReds
Lightnessdark (25%)
Chromamuted (0.040)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.30:1
White text16.08:1

Values

HEX#331A1C
RGBrgb(51, 26, 28)
HSLhsl(355, 32%, 15%)
OKLCHoklch(25.3% 0.04 15.2)

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 #331A1C 16.08:1 AAA Lc -105.5 Preferred for body text
Black text on #331A1C 1.30:1 Fails Lc 0.0 Not readable
#331A1C text on white 16.08:1 AAA Lc 102.9 Preferred for body text
#331A1C text on black 1.30:1 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

    #FAF4F4

    oklch(97.2% 0.006 17.3)

  2. Step 100

    100

    #F3E6E7

    oklch(93.6% 0.014 12)

  3. Step 200

    200

    #EAD3D3

    oklch(88.6% 0.026 17.6)

  4. Step 300

    300

    #DEB5B7

    oklch(81% 0.048 14.9)

  5. Step 400

    400

    #CB8D91

    oklch(70.6% 0.076 14.9)

  6. Step 500

    500

    #BC7076

    oklch(63% 0.096 15.1)

  7. Step 600

    600

    #A8585F

    oklch(55.7% 0.105 15.5)

  8. Step 700

    700

    #8F474E

    oklch(49% 0.097 15.2)

  9. Step 800

    800

    #753B40

    oklch(42.8% 0.081 15.7)

  10. Step 900

    900

    #5E3337

    oklch(37.7% 0.062 14.5)

  11. Step 950

    950 (this color)

    #331A1C

    oklch(25.3% 0.04 15.2)

Export this scale for Tailwind in the Tailwind colors tool

#331A1C 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)#1F1E1C0.042
Deuteranopia (no green cones)#25231C0.040
Tritanopia (no blue cones)#37171B0.011
Achromatopsia (no color)#2121210.040

Harmonies

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

Complementary

The opposite hue (180°).

  • #331A1C

    #331A1C

    oklch(25.3% 0.04 15.2)

  • #042828

    #042828

    oklch(25.2% 0.04 194.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #331A1C

    #331A1C

    oklch(25.3% 0.04 15.2)

  • #301A27

    #301A27

    oklch(25.3% 0.041 344.1)

  • #321C12

    #321C12

    oklch(25.3% 0.039 45)

Open the analogous palette in the generator

Split complementary

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

  • #331A1C

    #331A1C

    oklch(25.3% 0.04 15.2)

  • #0D281E

    #0D281E

    oklch(25.2% 0.038 166.5)

  • #082631

    #082631

    oklch(25.2% 0.04 226.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #331A1C

    #331A1C

    oklch(25.3% 0.04 15.2)

  • #1A2713

    #1A2713

    oklch(25.4% 0.04 135.3)

  • #152335

    #152335

    oklch(25.3% 0.039 255.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #331A1C

    #331A1C

    oklch(25.3% 0.04 15.2)

  • #25230B

    #25230B

    oklch(25.2% 0.039 104.5)

  • #042828

    #042828

    oklch(25.2% 0.04 194.9)

  • #201F35

    #201F35

    oklch(25.2% 0.041 285.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #331A1C, closest first.

Similar named colors

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

Use #331A1C 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.