#431B05

Closest named color: Chocolate Brown (#411900). oklch(27.8% 0.07 46.3), rgb(67, 27, 5).

Aa

White text reads best on this color (15.02:1).

About this color

#431B05 is a dark, muted brown. In OKLCH its lightness is 28%, 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 0.009 away. White text reads best on it, at 15.02:1.

Hue familyBrowns
Lightnessdark (28%)
Chromamuted (0.070)
Temperaturewarm
Nearest nameChocolate Brown (#411900)
Black text1.39:1
White text15.02:1

Values

HEX#431B05
RGBrgb(67, 27, 5)
HSLhsl(21, 86%, 14%)
OKLCHoklch(27.8% 0.07 46.3)

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 #431B05 15.02:1 AAA Lc -104.4 Preferred for body text
Black text on #431B05 1.39:1 Fails Lc 0.0 Not readable
#431B05 text on white 15.02:1 AAA Lc 101.5 Preferred for body text
#431B05 text on black 1.39:1 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

    #EEB193

    oklch(81% 0.083 47.3)

  5. Step 400

    400

    #E38455

    oklch(70.7% 0.132 46.2)

  6. Step 500

    500

    #D86115

    oklch(63.1% 0.169 46.4)

  7. Step 600

    600

    #B94E00

    oklch(55.5% 0.156 46.2)

  8. Step 700

    700

    #9D4100

    oklch(49.2% 0.138 46.2)

  9. Step 800

    800

    #813400

    oklch(42.6% 0.119 46.2)

  10. Step 900

    900

    #6D2B00

    oklch(37.8% 0.106 46.3)

  11. Step 950

    950 (this color)

    #431B05

    oklch(27.8% 0.07 46.3)

Export this scale for Tailwind in the Tailwind colors tool

#431B05 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)#2621030.065
Deuteranopia (no green cones)#302A040.058
Tritanopia (no blue cones)#4A12170.039
Achromatopsia (no color)#2727270.070

Harmonies

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

Complementary

The opposite hue (180°).

  • #431B05

    #431B05

    oklch(27.8% 0.07 46.3)

  • #002D3C

    #002D3C

    oklch(27.7% 0.053 226.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #431B05

    #431B05

    oklch(27.8% 0.07 46.3)

  • #44171C

    #44171C

    oklch(27.7% 0.07 16.1)

  • #382400

    #382400

    oklch(27.8% 0.058 77.5)

Open the analogous palette in the generator

Split complementary

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

  • #431B05

    #431B05

    oklch(27.8% 0.07 46.3)

  • #002F30

    #002F30

    oklch(27.7% 0.047 197)

  • #0F284A

    #0F284A

    oklch(27.8% 0.07 256.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #431B05

    #431B05

    oklch(27.8% 0.07 46.3)

  • #003122

    #003122

    oklch(27.8% 0.057 166.5)

  • #262249

    #262249

    oklch(27.9% 0.07 285.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #431B05

    #431B05

    oklch(27.8% 0.07 46.3)

  • #173009

    #173009

    oklch(27.9% 0.07 136.3)

  • #002D3C

    #002D3C

    oklch(27.7% 0.053 226.3)

  • #351C3F

    #351C3F

    oklch(27.7% 0.069 315.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #431B05, closest first.

Similar named colors

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

Use #431B05 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.