#403906

Closest named color: Dark Olive (#373E02). oklch(34.2% 0.067 101), rgb(64, 57, 6).

Aa

White text reads best on this color (11.62:1).

About this color

#403906 is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.067 and its hue 101°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.023 away. White text reads best on it, at 11.62:1.

Hue familyBrowns
Lightnessdark (34%)
Chromamuted (0.067)
Temperaturewarm
Nearest nameDark Olive (#373E02)
Black text1.80:1
White text11.62:1

Values

HEX#403906
RGBrgb(64, 57, 6)
HSLhsl(53, 83%, 14%)
OKLCHoklch(34.2% 0.067 101)

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 #403906 11.62:1 AAA Lc -100.3 Preferred for body text
Black text on #403906 1.80:1 Fails Lc 0.0 Not readable
#403906 text on white 11.62:1 AAA Lc 96.6 Preferred for body text
#403906 text on black 1.80:1 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

    #ECEADF

    oklch(93.6% 0.015 98.3)

  3. Step 200

    200

    #DDDAC5

    oklch(88.5% 0.028 100.3)

  4. Step 300

    300

    #C7C29D

    oklch(80.9% 0.05 101)

  5. Step 400

    400

    #ABA267

    oklch(70.6% 0.079 100.7)

  6. Step 500

    500

    #978B3A

    oklch(63.1% 0.103 100.9)

  7. Step 600

    600

    #82740F

    oklch(55.5% 0.111 100.5)

  8. Step 700

    700

    #6E6200

    oklch(49.2% 0.103 101)

  9. Step 800

    800

    #595007

    oklch(42.7% 0.086 101.5)

  10. Step 900

    900 (this color)

    #403906

    oklch(34.2% 0.067 101)

  11. Step 950

    950

    #2B270C

    oklch(27% 0.043 101)

Export this scale for Tailwind in the Tailwind colors tool

#403906 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)#4037000.007
Deuteranopia (no green cones)#413A0A0.004
Tritanopia (no blue cones)#4634300.062
Achromatopsia (no color)#3939390.067

Harmonies

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

Complementary

The opposite hue (180°).

  • #403906

    #403906

    oklch(34.2% 0.067 101)

  • #32345A

    #32345A

    oklch(34.2% 0.066 280)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #403906

    #403906

    oklch(34.2% 0.067 101)

  • #4E3209

    #4E3209

    oklch(34.3% 0.067 71.3)

  • #2C3F18

    #2C3F18

    oklch(34.1% 0.066 130.8)

Open the analogous palette in the generator

Split complementary

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

  • #403906

    #403906

    oklch(34.2% 0.067 101)

  • #1B3A5A

    #1B3A5A

    oklch(34.1% 0.068 251.1)

  • #432E52

    #432E52

    oklch(34.2% 0.066 310.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #403906

    #403906

    oklch(34.2% 0.067 101)

  • #003F4F

    #003F4F

    oklch(34.1% 0.063 221.5)

  • #4F2A43

    #4F2A43

    oklch(34.2% 0.066 340.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #403906

    #403906

    oklch(34.2% 0.067 101)

  • #004240

    #004240

    oklch(34.2% 0.059 191.4)

  • #32345A

    #32345A

    oklch(34.2% 0.066 280)

  • #552830

    #552830

    oklch(34.1% 0.067 10)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #403906, closest first.

Similar named colors

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

Use #403906 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.