#39181D

Closest named color: Chocolate Brown (#411900). oklch(25.9% 0.053 11.9), rgb(57, 24, 29).

Aa

White text reads best on this color (15.88:1).

About this color

#39181D is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.053 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.045 away. White text reads best on it, at 15.88:1.

Hue familyReds
Lightnessdark (26%)
Chromamuted (0.053)
Temperaturewarm
Nearest nameChocolate Brown (#411900)
Black text1.32:1
White text15.88:1

Values

HEX#39181D
RGBrgb(57, 24, 29)
HSLhsl(351, 41%, 16%)
OKLCHoklch(25.9% 0.053 11.9)

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 #39181D 15.88:1 AAA Lc -105.3 Preferred for body text
Black text on #39181D 1.32:1 Fails Lc 0.0 Not readable
#39181D text on white 15.88:1 AAA Lc 102.6 Preferred for body text
#39181D 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

    #FBF3F4

    oklch(97.1% 0.009 8.5)

  2. Step 100

    100

    #F6E5E7

    oklch(93.6% 0.019 9.3)

  3. Step 200

    200

    #EFD0D3

    oklch(88.4% 0.035 11.2)

  4. Step 300

    300

    #E6B1B6

    oklch(81% 0.062 12.2)

  5. Step 400

    400

    #D78690

    oklch(70.7% 0.1 11.9)

  6. Step 500

    500

    #CA6675

    oklch(63.2% 0.127 12)

  7. Step 600

    600

    #B54B5E

    oklch(55.6% 0.138 11.7)

  8. Step 700

    700

    #9B3B4D

    oklch(49% 0.129 11.8)

  9. Step 800

    800

    #7E323F

    oklch(42.7% 0.106 12.2)

  10. Step 900

    900

    #662D36

    oklch(37.8% 0.082 12)

  11. Step 950

    950 (this color)

    #39181D

    oklch(25.9% 0.053 11.9)

Export this scale for Tailwind in the Tailwind colors tool

#39181D 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)#1E1E1D0.058
Deuteranopia (no green cones)#27251C0.054
Tritanopia (no blue cones)#3E141A0.014
Achromatopsia (no color)#2222220.053

Harmonies

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

Complementary

The opposite hue (180°).

  • #39181D

    #39181D

    oklch(25.9% 0.053 11.9)

  • #002A29

    #002A29

    oklch(25.8% 0.044 192.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #39181D

    #39181D

    oklch(25.9% 0.053 11.9)

  • #35192B

    #35192B

    oklch(26% 0.052 342.2)

  • #391A0E

    #391A0E

    oklch(25.9% 0.053 41.4)

Open the analogous palette in the generator

Split complementary

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

  • #39181D

    #39181D

    oklch(25.9% 0.053 11.9)

  • #042B1C

    #042B1C

    oklch(25.8% 0.052 162.8)

  • #002934

    #002934

    oklch(26% 0.048 220.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #39181D

    #39181D

    oklch(25.9% 0.053 11.9)

  • #1A290C

    #1A290C

    oklch(25.9% 0.053 131.9)

  • #0F253C

    #0F253C

    oklch(25.9% 0.052 251.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #39181D

    #39181D

    oklch(25.9% 0.053 11.9)

  • #292401

    #292401

    oklch(25.8% 0.053 101.3)

  • #002A29

    #002A29

    oklch(25.8% 0.044 192.3)

  • #20203C

    #20203C

    oklch(25.9% 0.052 282.2)

Open the square palette in the generator

Palettes with this color

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

Similar named colors

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

Use #39181D 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.