#381B19

Closest named color: Dark Brown (#341C02). oklch(26.2% 0.046 24.9), rgb(56, 27, 25).

Aa

White text reads best on this color (15.68:1).

About this color

#381B19 is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.046 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.036 away. White text reads best on it, at 15.68:1.

Hue familyReds
Lightnessdark (26%)
Chromamuted (0.046)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.33:1
White text15.68:1

Values

HEX#381B19
RGBrgb(56, 27, 25)
HSLhsl(4, 38%, 16%)
OKLCHoklch(26.2% 0.046 24.9)

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 #381B19 15.68:1 AAA Lc -105.1 Preferred for body text
Black text on #381B19 1.33:1 Fails Lc 0.0 Not readable
#381B19 text on white 15.68:1 AAA Lc 102.5 Preferred for body text
#381B19 text on black 1.33:1 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

    #FAF4F3

    oklch(97.2% 0.007 28.8)

  2. Step 100

    100

    #F4E6E4

    oklch(93.5% 0.016 27.3)

  3. Step 200

    200

    #EDD2CF

    oklch(88.5% 0.031 25.3)

  4. Step 300

    300

    #E2B4AF

    oklch(81% 0.054 25.5)

  5. Step 400

    400

    #D28B85

    oklch(70.7% 0.088 24.8)

  6. Step 500

    500

    #C46D67

    oklch(63.1% 0.111 24.9)

  7. Step 600

    600

    #AF534E

    oklch(55.5% 0.121 24.9)

  8. Step 700

    700

    #96433F

    oklch(49% 0.113 24.9)

  9. Step 800

    800

    #7A3834

    oklch(42.7% 0.093 25.3)

  10. Step 900

    900

    #63312E

    oklch(37.8% 0.073 24.7)

  11. Step 950

    950 (this color)

    #381B19

    oklch(26.2% 0.046 24.9)

Export this scale for Tailwind in the Tailwind colors tool

#381B19 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)#2120190.049
Deuteranopia (no green cones)#2925180.043
Tritanopia (no blue cones)#3D171B0.016
Achromatopsia (no color)#2323230.047

Harmonies

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

Complementary

The opposite hue (180°).

  • #381B19

    #381B19

    oklch(26.2% 0.046 24.9)

  • #002B2F

    #002B2F

    oklch(26.4% 0.045 204.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #381B19

    #381B19

    oklch(26.2% 0.046 24.9)

  • #361B26

    #361B26

    oklch(26.3% 0.046 354.8)

  • #361E0D

    #361E0D

    oklch(26.3% 0.047 54.4)

Open the analogous palette in the generator

Split complementary

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

  • #381B19

    #381B19

    oklch(26.2% 0.046 24.9)

  • #042C23

    #042C23

    oklch(26.3% 0.047 174)

  • #092838

    #092838

    oklch(26.3% 0.047 235.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #381B19

    #381B19

    oklch(26.2% 0.046 24.9)

  • #152A16

    #152A16

    oklch(26.1% 0.046 145.2)

  • #19243B

    #19243B

    oklch(26.2% 0.046 264)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #381B19

    #381B19

    oklch(26.2% 0.046 24.9)

  • #24270A

    #24270A

    oklch(26.2% 0.046 114.6)

  • #002B2F

    #002B2F

    oklch(26.4% 0.045 204.4)

  • #262039

    #262039

    oklch(26.3% 0.046 294)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #381B19, closest first.

Similar named colors

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

Use #381B19 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.