#3F240F

Closest named color: Chocolate Brown (#411900). oklch(29% 0.053 56.6), rgb(63, 36, 15).

Aa

White text reads best on this color (14.27:1).

About this color

#3F240F is a dark, muted brown. In OKLCH its lightness is 29%, its chroma 0.053 and its hue 57°. 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 14.27:1.

Hue familyBrowns
Lightnessdark (29%)
Chromamuted (0.053)
Temperaturewarm
Nearest nameChocolate Brown (#411900)
Black text1.47:1
White text14.27:1

Values

HEX#3F240F
RGBrgb(63, 36, 15)
HSLhsl(26, 62%, 15%)
OKLCHoklch(29% 0.053 56.6)

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 #3F240F 14.27:1 AAA Lc -103.8 Preferred for body text
Black text on #3F240F 1.47:1 Fails Lc 0.0 Not readable
#3F240F text on white 14.27:1 AAA Lc 100.9 Preferred for body text
#3F240F text on black 1.47:1 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

    #FAF4F0

    oklch(97.1% 0.008 56.3)

  2. Step 100

    100

    #F4E7DF

    oklch(93.6% 0.018 54)

  3. Step 200

    200

    #ECD4C4

    oklch(88.5% 0.034 55.9)

  4. Step 300

    300

    #E1B79A

    oklch(80.9% 0.063 56.3)

  5. Step 400

    400

    #D09061

    oklch(70.7% 0.1 56.6)

  6. Step 500

    500

    #C27332

    oklch(63.1% 0.127 56.7)

  7. Step 600

    600

    #AD5A00

    oklch(55.6% 0.136 56.3)

  8. Step 700

    700

    #924B00

    oklch(49.1% 0.12 56.3)

  9. Step 800

    800

    #783D00

    oklch(42.7% 0.104 56.7)

  10. Step 900

    900

    #62340C

    oklch(37.7% 0.083 56.2)

  11. Step 950

    950 (this color)

    #3F240F

    oklch(29% 0.053 56.6)

Export this scale for Tailwind in the Tailwind colors tool

#3F240F 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)#2C270D0.040
Deuteranopia (no green cones)#322D0F0.037
Tritanopia (no blue cones)#451E1F0.036
Achromatopsia (no color)#2A2A2A0.053

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F240F

    #3F240F

    oklch(29% 0.053 56.6)

  • #0C2F42

    #0C2F42

    oklch(29% 0.052 236.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F240F

    #3F240F

    oklch(29% 0.053 56.6)

  • #42201D

    #42201D

    oklch(29% 0.053 26.1)

  • #372907

    #372907

    oklch(29% 0.052 85.5)

Open the analogous palette in the generator

Split complementary

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

  • #3F240F

    #3F240F

    oklch(29% 0.053 56.6)

  • #003238

    #003238

    oklch(29% 0.05 207.5)

  • #1F2A46

    #1F2A46

    oklch(29% 0.054 266.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F240F

    #3F240F

    oklch(29% 0.053 56.6)

  • #02342B

    #02342B

    oklch(29.1% 0.053 176.8)

  • #2E2642

    #2E2642

    oklch(29.1% 0.051 296.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F240F

    #3F240F

    oklch(29% 0.053 56.6)

  • #18321B

    #18321B

    oklch(28.9% 0.052 146.6)

  • #0C2F42

    #0C2F42

    oklch(29% 0.052 236.6)

  • #392239

    #392239

    oklch(29.1% 0.052 326.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F240F, closest first.

Similar named colors

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

Use #3F240F 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.