#423A02

Closest named color: Dark Olive (#373E02). oklch(34.6% 0.071 100.4), rgb(66, 58, 2).

Aa

White text reads best on this color (11.42:1).

About this color

#423A02 is a dark, moderately saturated brown. In OKLCH its lightness is 35%, its chroma 0.071 and its hue 100°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.022 away. White text reads best on it, at 11.42:1.

Hue familyBrowns
Lightnessdark (35%)
Chromamoderately saturated (0.071)
Temperaturewarm
Nearest nameDark Olive (#373E02)
Black text1.83:1
White text11.42:1

Values

HEX#423A02
RGBrgb(66, 58, 2)
HSLhsl(53, 94%, 13%)
OKLCHoklch(34.6% 0.071 100.4)

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 #423A02 11.42:1 AAA Lc -99.9 Preferred for body text
Black text on #423A02 1.83:1 Fails Lc 7.7 Not readable
#423A02 text on white 11.42:1 AAA Lc 96.2 Preferred for body text
#423A02 text on black 1.83:1 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

    #F6F6F0

    oklch(97.1% 0.008 106.5)

  2. Step 100

    100

    #ECEADF

    oklch(93.6% 0.015 98.3)

  3. Step 200

    200

    #DDDAC4

    oklch(88.5% 0.03 100.6)

  4. Step 300

    300

    #C8C29B

    oklch(80.9% 0.053 100.2)

  5. Step 400

    400

    #ACA263

    oklch(70.6% 0.084 100.4)

  6. Step 500

    500

    #988B33

    oklch(63.1% 0.109 100.9)

  7. Step 600

    600

    #837400

    oklch(55.6% 0.116 100.3)

  8. Step 700

    700

    #6E6100

    oklch(49% 0.102 100.2)

  9. Step 800

    800

    #5A5000

    oklch(42.8% 0.089 101.1)

  10. Step 900

    900 (this color)

    #423A02

    oklch(34.6% 0.071 100.4)

  11. Step 950

    950

    #2B270A

    oklch(27% 0.045 101.5)

Export this scale for Tailwind in the Tailwind colors tool

#423A02 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)#4138000.007
Deuteranopia (no green cones)#433B060.005
Tritanopia (no blue cones)#4835300.064
Achromatopsia (no color)#3A3A3A0.071

Harmonies

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

Complementary

The opposite hue (180°).

  • #423A02

    #423A02

    oklch(34.6% 0.071 100.4)

  • #33345D

    #33345D

    oklch(34.5% 0.071 280.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #423A02

    #423A02

    oklch(34.6% 0.071 100.4)

  • #503205

    #503205

    oklch(34.5% 0.071 70.9)

  • #2D4116

    #2D4116

    oklch(34.7% 0.071 130.3)

Open the analogous palette in the generator

Split complementary

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

  • #423A02

    #423A02

    oklch(34.6% 0.071 100.4)

  • #1A3B5D

    #1A3B5D

    oklch(34.6% 0.071 251.2)

  • #452E55

    #452E55

    oklch(34.6% 0.072 310.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #423A02

    #423A02

    oklch(34.6% 0.071 100.4)

  • #004150

    #004150

    oklch(34.7% 0.063 219.5)

  • #512A45

    #512A45

    oklch(34.6% 0.07 339.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #423A02

    #423A02

    oklch(34.6% 0.071 100.4)

  • #004341

    #004341

    oklch(34.6% 0.059 191.4)

  • #33345D

    #33345D

    oklch(34.5% 0.071 280.9)

  • #582831

    #582831

    oklch(34.6% 0.071 9.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #423A02, closest first.

Similar named colors

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

Use #423A02 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.