#331910

Closest named color: Dark Brown (#341C02). oklch(24.8% 0.045 39.7), rgb(51, 25, 16).

Aa

White text reads best on this color (16.31:1).

About this color

#331910 is a very dark, muted red. In OKLCH its lightness is 25%, its chroma 0.045 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.024 away. White text reads best on it, at 16.31:1.

Hue familyReds
Lightnessvery dark (25%)
Chromamuted (0.045)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.28:1
White text16.31:1

Values

HEX#331910
RGBrgb(51, 25, 16)
HSLhsl(15, 52%, 13%)
OKLCHoklch(24.8% 0.045 39.7)

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 #331910 16.31:1 AAA Lc -105.6 Preferred for body text
Black text on #331910 1.28:1 Fails Lc 0.0 Not readable
#331910 text on white 16.31:1 AAA Lc 103.1 Preferred for body text
#331910 text on black 1.28:1 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

    #FAF4F2

    oklch(97.1% 0.007 39.5)

  2. Step 100

    100

    #F4E7E2

    oklch(93.7% 0.016 42.4)

  3. Step 200

    200

    #EBD3CB

    oklch(88.4% 0.029 39.3)

  4. Step 300

    300

    #E0B6A7

    oklch(81% 0.053 40.6)

  5. Step 400

    400

    #CF8F78

    oklch(70.8% 0.085 40.6)

  6. Step 500

    500

    #C17156

    oklch(63.1% 0.109 39.3)

  7. Step 600

    600

    #AC583B

    oklch(55.6% 0.118 39.5)

  8. Step 700

    700

    #94482D

    oklch(49.2% 0.11 39.8)

  9. Step 800

    800

    #783B26

    oklch(42.7% 0.091 39.4)

  10. Step 900

    900

    #613324

    oklch(37.6% 0.071 38.8)

  11. Step 950

    950 (this color)

    #331910

    oklch(24.8% 0.045 39.7)

Export this scale for Tailwind in the Tailwind colors tool

#331910 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)#201D0F0.042
Deuteranopia (no green cones)#2622100.039
Tritanopia (no blue cones)#3814170.024
Achromatopsia (no color)#2020200.045

Harmonies

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

Complementary

The opposite hue (180°).

  • #331910

    #331910

    oklch(24.8% 0.045 39.7)

  • #002630

    #002630

    oklch(24.8% 0.045 219.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #331910

    #331910

    oklch(24.8% 0.045 39.7)

  • #33171C

    #33171C

    oklch(24.7% 0.045 9.6)

  • #2F1D06

    #2F1D06

    oklch(24.9% 0.045 69.9)

Open the analogous palette in the generator

Split complementary

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

  • #331910

    #331910

    oklch(24.8% 0.045 39.7)

  • #002725

    #002725

    oklch(24.6% 0.043 189.6)

  • #0F2236

    #0F2236

    oklch(24.7% 0.046 251.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #331910

    #331910

    oklch(24.8% 0.045 39.7)

  • #0A2819

    #0A2819

    oklch(24.9% 0.046 158.5)

  • #1D1E36

    #1D1E36

    oklch(24.7% 0.045 280.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #331910

    #331910

    oklch(24.8% 0.045 39.7)

  • #1A250D

    #1A250D

    oklch(24.7% 0.044 129.5)

  • #002630

    #002630

    oklch(24.8% 0.045 219.7)

  • #281B31

    #281B31

    oklch(24.9% 0.044 310.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #331910, closest first.

Similar named colors

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

Use #331910 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.