#401B18

Closest named color: Chocolate Brown (#411900). oklch(27.5% 0.058 26.3), rgb(64, 27, 24).

Aa

White text reads best on this color (15.13:1).

About this color

#401B18 is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.058 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.030 away. White text reads best on it, at 15.13:1.

Hue familyReds
Lightnessdark (28%)
Chromamuted (0.058)
Temperaturewarm
Nearest nameChocolate Brown (#411900)
Black text1.38:1
White text15.13:1

Values

HEX#401B18
RGBrgb(64, 27, 24)
HSLhsl(5, 45%, 17%)
OKLCHoklch(27.5% 0.058 26.3)

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 #401B18 15.13:1 AAA Lc -104.6 Preferred for body text
Black text on #401B18 1.38:1 Fails Lc 0.0 Not readable
#401B18 text on white 15.13:1 AAA Lc 101.8 Preferred for body text
#401B18 text on black 1.38:1 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

    #FCF3F2

    oklch(97.1% 0.01 25.1)

  2. Step 100

    100

    #F7E5E3

    oklch(93.6% 0.02 25.2)

  3. Step 200

    200

    #F2D0CC

    oklch(88.5% 0.039 25.8)

  4. Step 300

    300

    #EAB0A9

    oklch(80.9% 0.069 26.5)

  5. Step 400

    400

    #DD857C

    oklch(70.8% 0.11 26.4)

  6. Step 500

    500

    #D1635A

    oklch(63.1% 0.141 26.6)

  7. Step 600

    600

    #BD4640

    oklch(55.6% 0.155 26.2)

  8. Step 700

    700

    #A23732

    oklch(49.1% 0.143 26.4)

  9. Step 800

    800

    #842F2A

    oklch(42.8% 0.118 26.6)

  10. Step 900

    900

    #6A2B26

    oklch(37.7% 0.092 26.9)

  11. Step 950

    950 (this color)

    #401B18

    oklch(27.5% 0.058 26.3)

Export this scale for Tailwind in the Tailwind colors tool

#401B18 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)#2421180.060
Deuteranopia (no green cones)#2D29170.057
Tritanopia (no blue cones)#46151A0.020
Achromatopsia (no color)#2626260.059

Harmonies

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

Complementary

The opposite hue (180°).

  • #401B18

    #401B18

    oklch(27.5% 0.058 26.3)

  • #002E33

    #002E33

    oklch(27.5% 0.047 206.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #401B18

    #401B18

    oklch(27.5% 0.058 26.3)

  • #3E1A28

    #3E1A28

    oklch(27.5% 0.059 357.1)

  • #3D1F07

    #3D1F07

    oklch(27.5% 0.058 55.6)

Open the analogous palette in the generator

Split complementary

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

  • #401B18

    #401B18

    oklch(27.5% 0.058 26.3)

  • #003027

    #003027

    oklch(27.6% 0.052 176.1)

  • #012B40

    #012B40

    oklch(27.4% 0.058 236.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #401B18

    #401B18

    oklch(27.5% 0.058 26.3)

  • #122F15

    #122F15

    oklch(27.5% 0.058 145.9)

  • #1A2644

    #1A2644

    oklch(27.4% 0.058 266.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #401B18

    #401B18

    oklch(27.5% 0.058 26.3)

  • #262B04

    #262B04

    oklch(27.5% 0.058 116.7)

  • #002E33

    #002E33

    oklch(27.5% 0.047 206.2)

  • #2B2141

    #2B2141

    oklch(27.6% 0.059 296.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #401B18, closest first.

Similar named colors

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

Use #401B18 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.