#42420D

Closest named color: Dark Olive (#373E02). oklch(36.8% 0.071 109.4), rgb(66, 66, 13).

Aa

White text reads best on this color (10.41:1).

About this color

#42420D is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.071 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.025 away. White text reads best on it, at 10.41:1.

Hue familyBrowns
Lightnessdark (37%)
Chromamoderately saturated (0.071)
Temperaturewarm
Nearest nameDark Olive (#373E02)
Black text2.01:1
White text10.41:1

Values

HEX#42420D
RGBrgb(66, 66, 13)
HSLhsl(60, 67%, 15%)
OKLCHoklch(36.8% 0.071 109.4)

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 #42420D 10.41:1 AAA Lc -98.1 Preferred for body text
Black text on #42420D 2.01:1 Fails Lc 9.8 Not readable
#42420D text on white 10.41:1 AAA Lc 94.1 Preferred for body text
#42420D text on black 2.01:1 Fails Lc -8.5 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

    #EAEBDF

    oklch(93.6% 0.016 110.6)

  3. Step 200

    200

    #DADBC5

    oklch(88.5% 0.03 109.1)

  4. Step 300

    300

    #C2C49C

    oklch(80.8% 0.054 109.9)

  5. Step 400

    400

    #A4A565

    oklch(70.6% 0.085 109.2)

  6. Step 500

    500

    #8E8F38

    oklch(63.1% 0.11 109.8)

  7. Step 600

    600

    #797807

    oklch(55.5% 0.119 109.1)

  8. Step 700

    700

    #656500

    oklch(49.1% 0.107 109.8)

  9. Step 800

    800

    #535303

    oklch(42.8% 0.092 109.7)

  10. Step 900

    900 (this color)

    #42420D

    oklch(36.8% 0.071 109.4)

  11. Step 950

    950

    #28280C

    oklch(27% 0.044 109)

Export this scale for Tailwind in the Tailwind colors tool

#42420D 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)#483F050.013
Deuteranopia (no green cones)#4941110.014
Tritanopia (no blue cones)#473D380.065
Achromatopsia (no color)#4040400.071

Harmonies

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

Complementary

The opposite hue (180°).

  • #42420D

    #42420D

    oklch(36.8% 0.071 109.4)

  • #3F3862

    #3F3862

    oklch(36.8% 0.071 290.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #42420D

    #42420D

    oklch(36.8% 0.071 109.4)

  • #533A08

    #533A08

    oklch(36.8% 0.071 79.2)

  • #2A4822

    #2A4822

    oklch(36.7% 0.072 139.3)

Open the analogous palette in the generator

Split complementary

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

  • #42420D

    #42420D

    oklch(36.8% 0.071 109.4)

  • #283F65

    #283F65

    oklch(36.8% 0.072 260)

  • #4F3257

    #4F3257

    oklch(36.7% 0.072 318.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #42420D

    #42420D

    oklch(36.8% 0.071 109.4)

  • #03465D

    #03465D

    oklch(36.9% 0.071 228.7)

  • #5B2E45

    #5B2E45

    oklch(36.8% 0.073 349.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #42420D

    #42420D

    oklch(36.8% 0.071 109.4)

  • #00494C

    #00494C

    oklch(36.8% 0.063 199.5)

  • #3F3862

    #3F3862

    oklch(36.8% 0.071 290.1)

  • #5F2E30

    #5F2E30

    oklch(36.7% 0.071 18.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #42420D, closest first.

Similar named colors

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

Use #42420D 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.