#39181A

Closest named color: Chocolate Brown (#411900). oklch(25.8% 0.052 17.7), rgb(57, 24, 26).

Aa

White text reads best on this color (15.91:1).

About this color

#39181A is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.052 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.040 away. White text reads best on it, at 15.91:1.

Hue familyReds
Lightnessdark (26%)
Chromamuted (0.052)
Temperaturewarm
Nearest nameChocolate Brown (#411900)
Black text1.31:1
White text15.91:1

Values

HEX#39181A
RGBrgb(57, 24, 26)
HSLhsl(356, 41%, 16%)
OKLCHoklch(25.8% 0.052 17.7)

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 #39181A 15.91:1 AAA Lc -105.3 Preferred for body text
Black text on #39181A 1.31:1 Fails Lc 0.0 Not readable
#39181A text on white 15.91:1 AAA Lc 102.6 Preferred for body text
#39181A text on black 1.31:1 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

    #FBF3F3

    oklch(97% 0.009 17.3)

  2. Step 100

    100

    #F6E5E5

    oklch(93.5% 0.019 17.5)

  3. Step 200

    200

    #EFD1D1

    oklch(88.6% 0.034 17.8)

  4. Step 300

    300

    #E6B1B2

    oklch(80.9% 0.062 17.3)

  5. Step 400

    400

    #D7878A

    oklch(70.7% 0.098 17.4)

  6. Step 500

    500

    #CA676D

    oklch(63.1% 0.126 17.5)

  7. Step 600

    600

    #B64C55

    oklch(55.7% 0.138 17.6)

  8. Step 700

    700

    #9C3C45

    oklch(49.1% 0.128 17.6)

  9. Step 800

    800

    #7F3239

    oklch(42.7% 0.107 17.3)

  10. Step 900

    900

    #662D31

    oklch(37.7% 0.082 17.5)

  11. Step 950

    950 (this color)

    #39181A

    oklch(25.8% 0.052 17.7)

Export this scale for Tailwind in the Tailwind colors tool

#39181A 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)#1F1E1A0.056
Deuteranopia (no green cones)#2725190.054
Tritanopia (no blue cones)#3E14190.014
Achromatopsia (no color)#2222220.053

Harmonies

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

Complementary

The opposite hue (180°).

  • #39181A

    #39181A

    oklch(25.8% 0.052 17.7)

  • #002A2B

    #002A2B

    oklch(25.9% 0.044 197.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #39181A

    #39181A

    oklch(25.8% 0.052 17.7)

  • #361828

    #361828

    oklch(25.8% 0.053 348.3)

  • #381B0B

    #381B0B

    oklch(25.9% 0.053 47.9)

Open the analogous palette in the generator

Split complementary

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

  • #39181A

    #39181A

    oklch(25.8% 0.052 17.7)

  • #002B1E

    #002B1E

    oklch(25.7% 0.052 167.5)

  • #002836

    #002836

    oklch(25.8% 0.05 226.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #39181A

    #39181A

    oklch(25.8% 0.052 17.7)

  • #16290F

    #16290F

    oklch(25.7% 0.052 137.9)

  • #13243D

    #13243D

    oklch(26% 0.053 257.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #39181A

    #39181A

    oklch(25.8% 0.052 17.7)

  • #262502

    #262502

    oklch(25.7% 0.053 108)

  • #002A2B

    #002A2B

    oklch(25.9% 0.044 197.2)

  • #221F3B

    #221F3B

    oklch(25.8% 0.052 287.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #39181A, closest first.

Similar named colors

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

Use #39181A 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.