#381F2B

Closest named color: Jet (#212529). oklch(27.7% 0.043 350), rgb(56, 31, 43).

Aa

White text reads best on this color (15.01:1).

About this color

#381F2B is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.043 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.048 away. White text reads best on it, at 15.01:1.

Hue familyReds
Lightnessdark (28%)
Chromamuted (0.043)
Temperaturewarm
Nearest nameJet (#212529)
Black text1.39:1
White text15.01:1

Values

HEX#381F2B
RGBrgb(56, 31, 43)
HSLhsl(331, 29%, 17%)
OKLCHoklch(27.7% 0.043 350)

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 #381F2B 15.01:1 AAA Lc -104.6 Preferred for body text
Black text on #381F2B 1.39:1 Fails Lc 0.0 Not readable
#381F2B text on white 15.01:1 AAA Lc 101.8 Preferred for body text
#381F2B text on black 1.39:1 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

    #F9F4F6

    oklch(97.2% 0.006 350.8)

  2. Step 100

    100

    #F2E6EB

    oklch(93.6% 0.015 350.1)

  3. Step 200

    200

    #E9D2DC

    oklch(88.6% 0.029 349.5)

  4. Step 300

    300

    #DBB4C5

    oklch(80.9% 0.05 350.2)

  5. Step 400

    400

    #C88CA8

    oklch(70.8% 0.081 349.8)

  6. Step 500

    500

    #B96E92

    oklch(63.1% 0.105 350.3)

  7. Step 600

    600

    #A4557D

    oklch(55.6% 0.114 349.8)

  8. Step 700

    700

    #8C4569

    oklch(49.1% 0.106 350)

  9. Step 800

    800

    #723956

    oklch(42.7% 0.088 349.7)

  10. Step 900

    900

    #5C3247

    oklch(37.7% 0.067 349.5)

  11. Step 950

    950 (this color)

    #381F2B

    oklch(27.7% 0.043 350)

Export this scale for Tailwind in the Tailwind colors tool

#381F2B 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)#21242B0.047
Deuteranopia (no green cones)#28282A0.042
Tritanopia (no blue cones)#3B1E230.015
Achromatopsia (no color)#2727270.043

Harmonies

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

Complementary

The opposite hue (180°).

  • #381F2B

    #381F2B

    oklch(27.7% 0.043 350)

  • #0E2F25

    #0E2F25

    oklch(27.7% 0.043 170.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #381F2B

    #381F2B

    oklch(27.7% 0.043 350)

  • #312135

    #312135

    oklch(27.6% 0.042 319.5)

  • #3B1F1F

    #3B1F1F

    oklch(27.7% 0.044 20.2)

Open the analogous palette in the generator

Split complementary

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

  • #381F2B

    #381F2B

    oklch(27.7% 0.043 350)

  • #1C2D19

    #1C2D19

    oklch(27.6% 0.042 140.8)

  • #062E30

    #062E30

    oklch(27.6% 0.043 200)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #381F2B

    #381F2B

    oklch(27.7% 0.043 350)

  • #292A0F

    #292A0F

    oklch(27.7% 0.043 110.8)

  • #0E2C39

    #0E2C39

    oklch(27.7% 0.043 229.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #381F2B

    #381F2B

    oklch(27.7% 0.043 350)

  • #33260D

    #33260D

    oklch(27.8% 0.043 81.6)

  • #0E2F25

    #0E2F25

    oklch(27.7% 0.043 170.2)

  • #1B283D

    #1B283D

    oklch(27.6% 0.043 259.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #381F2B, closest first.

Similar named colors

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

Use #381F2B 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.