#423804

Closest named color: Dark Olive (#373E02). oklch(34.1% 0.067 97.4), rgb(66, 56, 4).

Aa

White text reads best on this color (11.67:1).

About this color

#423804 is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.067 and its hue 97°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.027 away. White text reads best on it, at 11.67:1.

Hue familyBrowns
Lightnessdark (34%)
Chromamuted (0.067)
Temperaturewarm
Nearest nameDark Olive (#373E02)
Black text1.79:1
White text11.67:1

Values

HEX#423804
RGBrgb(66, 56, 4)
HSLhsl(50, 89%, 14%)
OKLCHoklch(34.1% 0.067 97.4)

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 #423804 11.67:1 AAA Lc -100.4 Preferred for body text
Black text on #423804 1.79:1 Fails Lc 0.0 Not readable
#423804 text on white 11.67:1 AAA Lc 96.7 Preferred for body text
#423804 text on black 1.79:1 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

    #F6F5F0

    oklch(97% 0.007 97.4)

  2. Step 100

    100

    #ECEADF

    oklch(93.6% 0.015 98.3)

  3. Step 200

    200

    #DEDAC5

    oklch(88.6% 0.028 98.1)

  4. Step 300

    300

    #C9C19C

    oklch(80.8% 0.051 97.2)

  5. Step 400

    400

    #AEA165

    oklch(70.6% 0.081 97.4)

  6. Step 500

    500

    #9B8A38

    oklch(63.2% 0.104 97.6)

  7. Step 600

    600

    #867308

    oklch(55.7% 0.113 97.3)

  8. Step 700

    700

    #716000

    oklch(49.1% 0.101 97)

  9. Step 800

    800

    #5C4F03

    oklch(42.8% 0.087 98)

  10. Step 900

    900 (this color)

    #423804

    oklch(34.1% 0.067 97.4)

  11. Step 950

    950

    #2C260C

    oklch(26.9% 0.042 96.4)

Export this scale for Tailwind in the Tailwind colors tool

#423804 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)#3F36000.009
Deuteranopia (no green cones)#423A070.006
Tritanopia (no blue cones)#48332F0.062
Achromatopsia (no color)#3838380.067

Harmonies

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

Complementary

The opposite hue (180°).

  • #423804

    #423804

    oklch(34.1% 0.067 97.4)

  • #30345B

    #30345B

    oklch(34.1% 0.068 277.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #423804

    #423804

    oklch(34.1% 0.067 97.4)

  • #4F310A

    #4F310A

    oklch(34.2% 0.067 68.2)

  • #2E3F15

    #2E3F15

    oklch(34.2% 0.068 128.1)

Open the analogous palette in the generator

Split complementary

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

  • #423804

    #423804

    oklch(34.1% 0.067 97.4)

  • #173B59

    #173B59

    oklch(34.2% 0.067 246.6)

  • #422E53

    #422E53

    oklch(34.1% 0.067 308.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #423804

    #423804

    oklch(34.1% 0.067 97.4)

  • #00404D

    #00404D

    oklch(34.2% 0.061 216.8)

  • #4E2A45

    #4E2A45

    oklch(34.2% 0.067 336.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #423804

    #423804

    oklch(34.1% 0.067 97.4)

  • #00423E

    #00423E

    oklch(34.2% 0.059 188)

  • #30345B

    #30345B

    oklch(34.1% 0.068 277.7)

  • #552832

    #552832

    oklch(34.1% 0.067 7.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #423804, closest first.

Similar named colors

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

Use #423804 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.