#42380D

Closest named color: Dark Olive (#373E02). oklch(34.2% 0.061 95.7), rgb(66, 56, 13).

Aa

White text reads best on this color (11.64:1).

About this color

#42380D is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.061 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.031 away. White text reads best on it, at 11.64:1.

Hue familyBrowns
Lightnessdark (34%)
Chromamuted (0.061)
Temperaturewarm
Nearest nameDark Olive (#373E02)
Black text1.80:1
White text11.64:1

Values

HEX#42380D
RGBrgb(66, 56, 13)
HSLhsl(49, 67%, 15%)
OKLCHoklch(34.2% 0.061 95.7)

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 #42380D 11.64:1 AAA Lc -100.4 Preferred for body text
Black text on #42380D 1.80:1 Fails Lc 0.0 Not readable
#42380D text on white 11.64:1 AAA Lc 96.7 Preferred for body text
#42380D text on black 1.80:1 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

    #F6F5F1

    oklch(97% 0.005 95.1)

  2. Step 100

    100

    #ECEAE0

    oklch(93.6% 0.013 97.4)

  3. Step 200

    200

    #DED9C7

    oklch(88.4% 0.025 94.1)

  4. Step 300

    300

    #C9C1A0

    oklch(80.9% 0.046 95.9)

  5. Step 400

    400

    #AEA16C

    oklch(70.7% 0.073 96)

  6. Step 500

    500

    #9A8943

    oklch(63% 0.093 95.9)

  7. Step 600

    600

    #857220

    oklch(55.5% 0.101 95.6)

  8. Step 700

    700

    #716011

    oklch(49.2% 0.095 95.9)

  9. Step 800

    800

    #5C4E13

    oklch(42.6% 0.078 95.2)

  10. Step 900

    900 (this color)

    #42380D

    oklch(34.2% 0.061 95.7)

  11. Step 950

    950

    #2C260F

    oklch(26.9% 0.038 95)

Export this scale for Tailwind in the Tailwind colors tool

#42380D 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)#3F37070.008
Deuteranopia (no green cones)#413A0F0.006
Tritanopia (no blue cones)#48332F0.055
Achromatopsia (no color)#3838380.061

Harmonies

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

Complementary

The opposite hue (180°).

  • #42380D

    #42380D

    oklch(34.2% 0.061 95.7)

  • #303558

    #303558

    oklch(34.2% 0.062 276.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #42380D

    #42380D

    oklch(34.2% 0.061 95.7)

  • #4E3112

    #4E3112

    oklch(34.2% 0.061 64.8)

  • #313E19

    #313E19

    oklch(34.2% 0.061 125.5)

Open the analogous palette in the generator

Split complementary

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

  • #42380D

    #42380D

    oklch(34.2% 0.061 95.7)

  • #1B3B56

    #1B3B56

    oklch(34.2% 0.061 246.3)

  • #403051

    #403051

    oklch(34.2% 0.06 305.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #42380D

    #42380D

    oklch(34.2% 0.061 95.7)

  • #00404C

    #00404C

    oklch(34.2% 0.06 215.2)

  • #4C2C45

    #4C2C45

    oklch(34.3% 0.061 335.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #42380D

    #42380D

    oklch(34.2% 0.061 95.7)

  • #00423D

    #00423D

    oklch(34.1% 0.06 186.3)

  • #303558

    #303558

    oklch(34.2% 0.062 276.4)

  • #532A34

    #532A34

    oklch(34.2% 0.062 5.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #42380D, closest first.

Similar named colors

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

Use #42380D 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.