#3F201B

Closest named color: Chocolate Brown (#411900). oklch(28.4% 0.049 30.1), rgb(63, 32, 27).

Aa

White text reads best on this color (14.64:1).

About this color

#3F201B is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.049 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.034 away. White text reads best on it, at 14.64:1.

Hue familyReds
Lightnessdark (28%)
Chromamuted (0.049)
Temperaturewarm
Nearest nameChocolate Brown (#411900)
Black text1.43:1
White text14.64:1

Values

HEX#3F201B
RGBrgb(63, 32, 27)
HSLhsl(8, 40%, 18%)
OKLCHoklch(28.4% 0.049 30.1)

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 #3F201B 14.64:1 AAA Lc -104.2 Preferred for body text
Black text on #3F201B 1.43:1 Fails Lc 0.0 Not readable
#3F201B text on white 14.64:1 AAA Lc 101.3 Preferred for body text
#3F201B 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

    #FBF4F2

    oklch(97.2% 0.008 36.6)

  2. Step 100

    100

    #F5E6E3

    oklch(93.6% 0.017 31.1)

  3. Step 200

    200

    #EED2CD

    oklch(88.6% 0.032 29.8)

  4. Step 300

    300

    #E4B3AA

    oklch(80.9% 0.059 30.4)

  5. Step 400

    400

    #D48A7E

    oklch(70.6% 0.093 29.7)

  6. Step 500

    500

    #C76C5D

    oklch(63.2% 0.119 30.5)

  7. Step 600

    600

    #B25143

    oklch(55.5% 0.13 30.1)

  8. Step 700

    700

    #994135

    oklch(49% 0.121 29.9)

  9. Step 800

    800

    #7C362C

    oklch(42.5% 0.1 30)

  10. Step 900

    900

    #653028

    oklch(37.8% 0.078 30)

  11. Step 950

    950 (this color)

    #3F201B

    oklch(28.4% 0.049 30.1)

Export this scale for Tailwind in the Tailwind colors tool

#3F201B 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)#27251A0.051
Deuteranopia (no green cones)#2F2B1B0.046
Tritanopia (no blue cones)#451B1F0.021
Achromatopsia (no color)#2828280.050

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F201B

    #3F201B

    oklch(28.4% 0.049 30.1)

  • #003037

    #003037

    oklch(28.3% 0.049 210)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F201B

    #3F201B

    oklch(28.4% 0.049 30.1)

  • #3E1F29

    #3E1F29

    oklch(28.5% 0.05 0.1)

  • #3C240E

    #3C240E

    oklch(28.6% 0.05 61)

Open the analogous palette in the generator

Split complementary

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

  • #3F201B

    #3F201B

    oklch(28.4% 0.049 30.1)

  • #03322B

    #03322B

    oklch(28.5% 0.05 180)

  • #102D40

    #102D40

    oklch(28.5% 0.049 240.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F201B

    #3F201B

    oklch(28.4% 0.049 30.1)

  • #16311D

    #16311D

    oklch(28.5% 0.05 150.6)

  • #202842

    #202842

    oklch(28.3% 0.049 270)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F201B

    #3F201B

    oklch(28.4% 0.049 30.1)

  • #272D0F

    #272D0F

    oklch(28.3% 0.049 119.1)

  • #003037

    #003037

    oklch(28.3% 0.049 210)

  • #2E243F

    #2E243F

    oklch(28.5% 0.05 300.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F201B, closest first.

Similar named colors

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

Use #3F201B 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.