#403A25

Closest named color: Charcoal Grey (#3C4142). oklch(34.9% 0.035 94.1), rgb(64, 58, 37).

Aa

White text reads best on this color (11.35:1).

About this color

#403A25 is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.035 and its hue 94°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.044 away. White text reads best on it, at 11.35:1.

Hue familyBrowns
Lightnessdark (35%)
Chromamuted (0.035)
Temperaturewarm
Nearest nameCharcoal Grey (#3C4142)
Black text1.84:1
White text11.35:1

Values

HEX#403A25
RGBrgb(64, 58, 37)
HSLhsl(47, 27%, 20%)
OKLCHoklch(34.9% 0.035 94.1)

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 #403A25 11.35:1 AAA Lc -99.9 Preferred for body text
Black text on #403A25 1.84:1 Fails Lc 7.7 Not readable
#403A25 text on white 11.35:1 AAA Lc 96.2 Preferred for body text
#403A25 text on black 1.84:1 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 900.

  1. Step 50

    50

    #F6F5F3

    oklch(97% 0.003 84.6)

  2. Step 100

    100

    #EBEAE4

    oklch(93.6% 0.008 98.9)

  3. Step 200

    200

    #DCD9CF

    oklch(88.5% 0.014 93)

  4. Step 300

    300

    #C6C1AE

    oklch(81% 0.027 94.8)

  5. Step 400

    400

    #A9A184

    oklch(70.8% 0.042 94.4)

  6. Step 500

    500

    #948965

    oklch(63% 0.052 93.1)

  7. Step 600

    600

    #7E734C

    oklch(55.6% 0.057 94.2)

  8. Step 700

    700

    #6B603D

    oklch(49.1% 0.053 92.6)

  9. Step 800

    800

    #574F32

    oklch(42.8% 0.045 94.5)

  10. Step 900

    900 (this color)

    #403A25

    oklch(34.9% 0.035 94.1)

  11. Step 950

    950

    #2A261A

    oklch(26.9% 0.022 91.8)

Export this scale for Tailwind in the Tailwind colors tool

#403A25 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)#3E39240.005
Deuteranopia (no green cones)#403B260.003
Tritanopia (no blue cones)#4437350.032
Achromatopsia (no color)#3A3A3A0.035

Harmonies

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

Complementary

The opposite hue (180°).

  • #403A25

    #403A25

    oklch(34.9% 0.035 94.1)

  • #34394D

    #34394D

    oklch(34.9% 0.036 273.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #403A25

    #403A25

    oklch(34.9% 0.035 94.1)

  • #473627

    #473627

    oklch(34.7% 0.035 62.7)

  • #363D29

    #363D29

    oklch(34.7% 0.035 123.8)

Open the analogous palette in the generator

Split complementary

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

  • #403A25

    #403A25

    oklch(34.9% 0.035 94.1)

  • #2A3C4B

    #2A3C4B

    oklch(34.7% 0.035 244.2)

  • #3E3649

    #3E3649

    oklch(34.9% 0.034 303.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #403A25

    #403A25

    oklch(34.9% 0.035 94.1)

  • #243F45

    #243F45

    oklch(34.9% 0.034 213.4)

  • #463342

    #463342

    oklch(34.8% 0.036 333.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #403A25

    #403A25

    oklch(34.9% 0.035 94.1)

  • #24403C

    #24403C

    oklch(34.8% 0.035 184.3)

  • #34394D

    #34394D

    oklch(34.9% 0.036 273.5)

  • #4A3338

    #4A3338

    oklch(34.9% 0.034 4.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #403A25, closest first.

Similar named colors

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

Use #403A25 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.