#403D0F

Closest named color: Dark Olive (#373E02). oklch(35.3% 0.064 105.6), rgb(64, 61, 15).

Aa

White text reads best on this color (11.09:1).

About this color

#403D0F is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.064 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.021 away. White text reads best on it, at 11.09:1.

Hue familyBrowns
Lightnessdark (35%)
Chromamuted (0.064)
Temperaturewarm
Nearest nameDark Olive (#373E02)
Black text1.89:1
White text11.09:1

Values

HEX#403D0F
RGBrgb(64, 61, 15)
HSLhsl(56, 62%, 15%)
OKLCHoklch(35.3% 0.064 105.6)

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 #403D0F 11.09:1 AAA Lc -99.4 Preferred for body text
Black text on #403D0F 1.89:1 Fails Lc 8.3 Not readable
#403D0F text on white 11.09:1 AAA Lc 95.6 Preferred for body text
#403D0F text on black 1.89:1 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

    #F6F6F1

    oklch(97.2% 0.007 106.5)

  2. Step 100

    100

    #EBEBE0

    oklch(93.7% 0.015 106.7)

  3. Step 200

    200

    #DBDBC7

    oklch(88.6% 0.027 106.9)

  4. Step 300

    300

    #C4C39F

    oklch(80.9% 0.049 106.1)

  5. Step 400

    400

    #A7A46B

    oklch(70.8% 0.077 105.6)

  6. Step 500

    500

    #928D41

    oklch(63.1% 0.098 105.4)

  7. Step 600

    600

    #7C761D

    oklch(55.5% 0.106 105.4)

  8. Step 700

    700

    #69630D

    oklch(49% 0.099 105.1)

  9. Step 800

    800

    #555110

    oklch(42.6% 0.082 105.8)

  10. Step 900

    900 (this color)

    #403D0F

    oklch(35.3% 0.064 105.6)

  11. Step 950

    950

    #29280E

    oklch(27.1% 0.042 106.9)

Export this scale for Tailwind in the Tailwind colors tool

#403D0F 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)#433B090.007
Deuteranopia (no green cones)#443D120.008
Tritanopia (no blue cones)#4538340.060
Achromatopsia (no color)#3C3C3C0.064

Harmonies

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

Complementary

The opposite hue (180°).

  • #403D0F

    #403D0F

    oklch(35.3% 0.064 105.6)

  • #38365B

    #38365B

    oklch(35.3% 0.064 285.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #403D0F

    #403D0F

    oklch(35.3% 0.064 105.6)

  • #4E360E

    #4E360E

    oklch(35.2% 0.064 76.2)

  • #2C431F

    #2C431F

    oklch(35.4% 0.065 135.2)

Open the analogous palette in the generator

Split complementary

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

  • #403D0F

    #403D0F

    oklch(35.3% 0.064 105.6)

  • #233C5C

    #233C5C

    oklch(35.2% 0.064 255.2)

  • #483052

    #483052

    oklch(35.2% 0.065 315.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #403D0F

    #403D0F

    oklch(35.3% 0.064 105.6)

  • #064255

    #064255

    oklch(35.4% 0.064 225.8)

  • #532D43

    #532D43

    oklch(35.4% 0.064 345.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #403D0F

    #403D0F

    oklch(35.3% 0.064 105.6)

  • #004545

    #004545

    oklch(35.3% 0.06 194.8)

  • #38365B

    #38365B

    oklch(35.3% 0.064 285.1)

  • #582C30

    #582C30

    oklch(35.2% 0.065 15.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #403D0F, closest first.

Similar named colors

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

Use #403D0F 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.