#423E05

Closest named color: Dark Olive (#373E02). oklch(35.7% 0.072 105.2), rgb(66, 62, 5).

Aa

White text reads best on this color (10.92:1).

About this color

#423E05 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.072 and its hue 105°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.020 away. White text reads best on it, at 10.92:1.

Hue familyBrowns
Lightnessdark (36%)
Chromamoderately saturated (0.072)
Temperaturewarm
Nearest nameDark Olive (#373E02)
Black text1.92:1
White text10.92:1

Values

HEX#423E05
RGBrgb(66, 62, 5)
HSLhsl(56, 86%, 14%)
OKLCHoklch(35.7% 0.072 105.2)

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 #423E05 10.92:1 AAA Lc -99.1 Preferred for body text
Black text on #423E05 1.92:1 Fails Lc 8.7 Not readable
#423E05 text on white 10.92:1 AAA Lc 95.2 Preferred for body text
#423E05 text on black 1.92:1 Fails Lc -7.5 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

    #F6F6F0

    oklch(97.1% 0.008 106.5)

  2. Step 100

    100

    #EBEBDF

    oklch(93.7% 0.016 106.7)

  3. Step 200

    200

    #DCDBC4

    oklch(88.6% 0.031 105)

  4. Step 300

    300

    #C5C39B

    oklch(80.9% 0.054 105.2)

  5. Step 400

    400

    #A8A463

    oklch(70.7% 0.086 105.3)

  6. Step 500

    500

    #938D33

    oklch(63.1% 0.111 105.5)

  7. Step 600

    600

    #7E7600

    oklch(55.5% 0.118 104.9)

  8. Step 700

    700

    #6A6300

    oklch(49.1% 0.104 104.8)

  9. Step 800

    800

    #575100

    oklch(42.7% 0.09 104.7)

  10. Step 900

    900 (this color)

    #423E05

    oklch(35.7% 0.072 105.2)

  11. Step 950

    950

    #2A280A

    oklch(27.2% 0.046 105.5)

Export this scale for Tailwind in the Tailwind colors tool

#423E05 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)#453B000.010
Deuteranopia (no green cones)#463E0A0.009
Tritanopia (no blue cones)#4839340.066
Achromatopsia (no color)#3D3D3D0.072

Harmonies

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

Complementary

The opposite hue (180°).

  • #423E05

    #423E05

    oklch(35.7% 0.072 105.2)

  • #393660

    #393660

    oklch(35.7% 0.072 285.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #423E05

    #423E05

    oklch(35.7% 0.072 105.2)

  • #523604

    #523604

    oklch(35.7% 0.072 75.4)

  • #2B451C

    #2B451C

    oklch(35.8% 0.073 135.3)

Open the analogous palette in the generator

Split complementary

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

  • #423E05

    #423E05

    oklch(35.7% 0.072 105.2)

  • #203D61

    #203D61

    oklch(35.6% 0.072 254.8)

  • #4B3056

    #4B3056

    oklch(35.8% 0.072 315.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #423E05

    #423E05

    oklch(35.7% 0.072 105.2)

  • #004357

    #004357

    oklch(35.6% 0.068 225.6)

  • #572C45

    #572C45

    oklch(35.9% 0.072 345.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #423E05

    #423E05

    oklch(35.7% 0.072 105.2)

  • #004646

    #004646

    oklch(35.7% 0.061 194.8)

  • #393660

    #393660

    oklch(35.7% 0.072 285.4)

  • #5C2B30

    #5C2B30

    oklch(35.7% 0.072 15)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #423E05, closest first.

Similar named colors

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

Use #423E05 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.