#421A0B

Closest named color: Chocolate Brown (#411900). oklch(27.5% 0.067 40.3), rgb(66, 26, 11).

Aa

White text reads best on this color (15.17:1).

About this color

#421A0B is a dark, muted brown. In OKLCH its lightness is 27%, its chroma 0.067 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.013 away. White text reads best on it, at 15.17:1.

Hue familyBrowns
Lightnessdark (27%)
Chromamuted (0.067)
Temperaturewarm
Nearest nameChocolate Brown (#411900)
Black text1.38:1
White text15.17:1

Values

HEX#421A0B
RGBrgb(66, 26, 11)
HSLhsl(16, 71%, 15%)
OKLCHoklch(27.5% 0.067 40.3)

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 #421A0B 15.17:1 AAA Lc -104.5 Preferred for body text
Black text on #421A0B 1.38:1 Fails Lc 0.0 Not readable
#421A0B text on white 15.17:1 AAA Lc 101.7 Preferred for body text
#421A0B 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

    #FCF3F0

    oklch(97% 0.011 39.4)

  2. Step 100

    100

    #F8E5DF

    oklch(93.5% 0.022 38.3)

  3. Step 200

    200

    #F4D0C4

    oklch(88.5% 0.044 39.3)

  4. Step 300

    300

    #EEB09A

    oklch(80.9% 0.079 40.4)

  5. Step 400

    400

    #E38361

    oklch(70.7% 0.128 40.1)

  6. Step 500

    500

    #D86032

    oklch(63.1% 0.162 40.3)

  7. Step 600

    600

    #C24300

    oklch(55.5% 0.173 40.3)

  8. Step 700

    700

    #A43700

    oklch(49% 0.153 40.1)

  9. Step 800

    800

    #882C00

    oklch(42.7% 0.134 40.1)

  10. Step 900

    900

    #6E290C

    oklch(37.8% 0.106 40.6)

  11. Step 950

    950 (this color)

    #421A0B

    oklch(27.5% 0.067 40.3)

Export this scale for Tailwind in the Tailwind colors tool

#421A0B 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)#2520090.064
Deuteranopia (no green cones)#2F290A0.058
Tritanopia (no blue cones)#4912170.032
Achromatopsia (no color)#2626260.067

Harmonies

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

Complementary

The opposite hue (180°).

  • #421A0B

    #421A0B

    oklch(27.5% 0.067 40.3)

  • #002D39

    #002D39

    oklch(27.5% 0.05 221)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #421A0B

    #421A0B

    oklch(27.5% 0.067 40.3)

  • #421720

    #421720

    oklch(27.4% 0.067 9.7)

  • #3A2100

    #3A2100

    oklch(27.4% 0.06 68.9)

Open the analogous palette in the generator

Split complementary

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

  • #421A0B

    #421A0B

    oklch(27.5% 0.067 40.3)

  • #002F2D

    #002F2D

    oklch(27.5% 0.048 190.3)

  • #082947

    #082947

    oklch(27.5% 0.067 250)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #421A0B

    #421A0B

    oklch(27.5% 0.067 40.3)

  • #00311D

    #00311D

    oklch(27.6% 0.062 160)

  • #222347

    #222347

    oklch(27.6% 0.066 280)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #421A0B

    #421A0B

    oklch(27.5% 0.067 40.3)

  • #1C2E05

    #1C2E05

    oklch(27.6% 0.067 130.5)

  • #002D39

    #002D39

    oklch(27.5% 0.05 221)

  • #321D40

    #321D40

    oklch(27.6% 0.067 310.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #421A0B, closest first.

Similar named colors

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

Use #421A0B 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.