#421F0F

Closest named color: Chocolate Brown (#411900). oklch(28.5% 0.06 44.1), rgb(66, 31, 15).

Aa

White text reads best on this color (14.63:1).

About this color

#421F0F is a dark, muted brown. In OKLCH its lightness is 28%, its chroma 0.060 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.020 away. White text reads best on it, at 14.63:1.

Hue familyBrowns
Lightnessdark (28%)
Chromamuted (0.060)
Temperaturewarm
Nearest nameChocolate Brown (#411900)
Black text1.43:1
White text14.63:1

Values

HEX#421F0F
RGBrgb(66, 31, 15)
HSLhsl(19, 63%, 16%)
OKLCHoklch(28.5% 0.06 44.1)

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 #421F0F 14.63:1 AAA Lc -104.1 Preferred for body text
Black text on #421F0F 1.43:1 Fails Lc 0.0 Not readable
#421F0F text on white 14.63:1 AAA Lc 101.2 Preferred for body text
#421F0F text on black 1.43:1 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

    #FBF4F0

    oklch(97.1% 0.009 52.1)

  2. Step 100

    100

    #F7E6DF

    oklch(93.7% 0.021 43.9)

  3. Step 200

    200

    #F1D2C4

    oklch(88.6% 0.04 45.8)

  4. Step 300

    300

    #E9B39B

    oklch(81% 0.071 45.1)

  5. Step 400

    400

    #DB8864

    oklch(70.6% 0.114 44)

  6. Step 500

    500

    #D06837

    oklch(63.2% 0.146 44.1)

  7. Step 600

    600

    #BB4C08

    oklch(55.6% 0.158 44.1)

  8. Step 700

    700

    #9F3E00

    oklch(49.1% 0.142 44.2)

  9. Step 800

    800

    #833303

    oklch(42.8% 0.122 44.3)

  10. Step 900

    900

    #692E10

    oklch(37.7% 0.094 44.6)

  11. Step 950

    950 (this color)

    #421F0F

    oklch(28.5% 0.06 44.1)

Export this scale for Tailwind in the Tailwind colors tool

#421F0F 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)#29240D0.054
Deuteranopia (no green cones)#312C0E0.052
Tritanopia (no blue cones)#49181B0.032
Achromatopsia (no color)#2929290.060

Harmonies

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

Complementary

The opposite hue (180°).

  • #421F0F

    #421F0F

    oklch(28.5% 0.06 44.1)

  • #002F3E

    #002F3E

    oklch(28.4% 0.054 225.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #421F0F

    #421F0F

    oklch(28.5% 0.06 44.1)

  • #431C21

    #431C21

    oklch(28.5% 0.06 13.7)

  • #3B2500

    #3B2500

    oklch(28.5% 0.06 75.3)

Open the analogous palette in the generator

Split complementary

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

  • #421F0F

    #421F0F

    oklch(28.5% 0.06 44.1)

  • #003131

    #003131

    oklch(28.4% 0.048 194.8)

  • #132B47

    #132B47

    oklch(28.5% 0.06 253.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #421F0F

    #421F0F

    oklch(28.5% 0.06 44.1)

  • #013322

    #013322

    oklch(28.5% 0.06 164.2)

  • #272546

    #272546

    oklch(28.4% 0.06 284.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #421F0F

    #421F0F

    oklch(28.5% 0.06 44.1)

  • #1D300F

    #1D300F

    oklch(28.4% 0.06 133.8)

  • #002F3E

    #002F3E

    oklch(28.4% 0.054 225.5)

  • #35203F

    #35203F

    oklch(28.5% 0.061 314.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #421F0F, closest first.

Similar named colors

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

Use #421F0F 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.