#423801

Closest named color: Dark Olive (#373E02). oklch(34.1% 0.07 97.9), rgb(66, 56, 1).

Aa

White text reads best on this color (11.68:1).

About this color

#423801 is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.070 and its hue 98°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.026 away. White text reads best on it, at 11.68:1.

Hue familyBrowns
Lightnessdark (34%)
Chromamuted (0.070)
Temperaturewarm
Nearest nameDark Olive (#373E02)
Black text1.79:1
White text11.68:1

Values

HEX#423801
RGBrgb(66, 56, 1)
HSLhsl(51, 97%, 13%)
OKLCHoklch(34.1% 0.07 97.9)

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 #423801 11.68:1 AAA Lc -100.4 Preferred for body text
Black text on #423801 1.79:1 Fails Lc 0.0 Not readable
#423801 text on white 11.68:1 AAA Lc 96.7 Preferred for body text
#423801 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

    #F6F6F0

    oklch(97.1% 0.008 106.5)

  2. Step 100

    100

    #ECEADF

    oklch(93.6% 0.015 98.3)

  3. Step 200

    200

    #DEDAC4

    oklch(88.6% 0.03 98.5)

  4. Step 300

    300

    #C9C19B

    oklch(80.8% 0.052 97.5)

  5. Step 400

    400

    #AEA163

    oklch(70.6% 0.083 97.8)

  6. Step 500

    500

    #9B8A34

    oklch(63.2% 0.107 98)

  7. Step 600

    600

    #867300

    oklch(55.7% 0.115 97.6)

  8. Step 700

    700

    #706000

    oklch(49% 0.101 97.8)

  9. Step 800

    800

    #5C4F00

    oklch(42.8% 0.088 98.3)

  10. Step 900

    900 (this color)

    #423801

    oklch(34.1% 0.07 97.9)

  11. Step 950

    950

    #2C260A

    oklch(26.8% 0.044 97.2)

Export this scale for Tailwind in the Tailwind colors tool

#423801 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)#423A040.006
Tritanopia (no blue cones)#48332E0.063
Achromatopsia (no color)#3838380.070

Harmonies

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

Complementary

The opposite hue (180°).

  • #423801

    #423801

    oklch(34.1% 0.07 97.9)

  • #30345C

    #30345C

    oklch(34.2% 0.07 277.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #423801

    #423801

    oklch(34.1% 0.07 97.9)

  • #503006

    #503006

    oklch(34.1% 0.07 67.3)

  • #2E3F13

    #2E3F13

    oklch(34.2% 0.07 127.6)

Open the analogous palette in the generator

Split complementary

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

  • #423801

    #423801

    oklch(34.1% 0.07 97.9)

  • #163B5A

    #163B5A

    oklch(34.2% 0.069 246.9)

  • #422E54

    #422E54

    oklch(34.2% 0.069 307.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #423801

    #423801

    oklch(34.1% 0.07 97.9)

  • #003F4D

    #003F4D

    oklch(34% 0.061 218.5)

  • #4F2945

    #4F2945

    oklch(34.1% 0.07 337.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #423801

    #423801

    oklch(34.1% 0.07 97.9)

  • #00423E

    #00423E

    oklch(34.2% 0.059 188)

  • #30345C

    #30345C

    oklch(34.2% 0.07 277.7)

  • #562731

    #562731

    oklch(34.1% 0.07 8.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #423801, closest first.

Similar named colors

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

Use #423801 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.