#421A04

Closest named color: Chocolate Brown (#411900). oklch(27.4% 0.07 46.4), rgb(66, 26, 4).

Aa

White text reads best on this color (15.20:1).

About this color

#421A04 is a dark, moderately saturated brown. In OKLCH its lightness is 27%, its chroma 0.070 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.006 away. White text reads best on it, at 15.20:1.

Hue familyBrowns
Lightnessdark (27%)
Chromamoderately saturated (0.070)
Temperaturewarm
Nearest nameChocolate Brown (#411900)
Black text1.38:1
White text15.20:1

Values

HEX#421A04
RGBrgb(66, 26, 4)
HSLhsl(21, 89%, 14%)
OKLCHoklch(27.4% 0.07 46.4)

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 #421A04 15.20:1 AAA Lc -104.6 Preferred for body text
Black text on #421A04 1.38:1 Fails Lc 0.0 Not readable
#421A04 text on white 15.20:1 AAA Lc 101.7 Preferred for body text
#421A04 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

    #FCF3EF

    oklch(97% 0.011 45.7)

  2. Step 100

    100

    #F8E5DD

    oklch(93.5% 0.024 44.3)

  3. Step 200

    200

    #F4D1C0

    oklch(88.6% 0.046 47.5)

  4. Step 300

    300

    #EEB093

    oklch(80.8% 0.083 46.1)

  5. Step 400

    400

    #E38455

    oklch(70.7% 0.132 46.2)

  6. Step 500

    500

    #D96113

    oklch(63.2% 0.17 46.4)

  7. Step 600

    600

    #B94E00

    oklch(55.5% 0.156 46.2)

  8. Step 700

    700

    #9C4100

    oklch(49% 0.137 46.5)

  9. Step 800

    800

    #813400

    oklch(42.6% 0.119 46.2)

  10. Step 900

    900

    #6C2B00

    oklch(37.6% 0.105 46.7)

  11. Step 950

    950 (this color)

    #421A04

    oklch(27.4% 0.07 46.4)

Export this scale for Tailwind in the Tailwind colors tool

#421A04 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)#2520020.065
Deuteranopia (no green cones)#2F29030.058
Tritanopia (no blue cones)#4911160.038
Achromatopsia (no color)#2626260.070

Harmonies

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

Complementary

The opposite hue (180°).

  • #421A04

    #421A04

    oklch(27.4% 0.07 46.4)

  • #002C3B

    #002C3B

    oklch(27.3% 0.053 226.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #421A04

    #421A04

    oklch(27.4% 0.07 46.4)

  • #43161B

    #43161B

    oklch(27.3% 0.07 16.3)

  • #372300

    #372300

    oklch(27.4% 0.057 76.9)

Open the analogous palette in the generator

Split complementary

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

  • #421A04

    #421A04

    oklch(27.4% 0.07 46.4)

  • #002E2F

    #002E2F

    oklch(27.3% 0.046 197.1)

  • #0E2749

    #0E2749

    oklch(27.4% 0.07 256.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #421A04

    #421A04

    oklch(27.4% 0.07 46.4)

  • #003021

    #003021

    oklch(27.4% 0.057 166.2)

  • #252148

    #252148

    oklch(27.5% 0.07 285.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #421A04

    #421A04

    oklch(27.4% 0.07 46.4)

  • #162F08

    #162F08

    oklch(27.5% 0.07 136.4)

  • #002C3B

    #002C3B

    oklch(27.3% 0.053 226.7)

  • #351B3E

    #351B3E

    oklch(27.5% 0.07 316.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #421A04, closest first.

Similar named colors

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

Use #421A04 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.