#42380A

Closest named color: Dark Olive (#373E02). oklch(34.2% 0.063 96.3), rgb(66, 56, 10).

Aa

White text reads best on this color (11.65:1).

About this color

#42380A is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.063 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.029 away. White text reads best on it, at 11.65:1.

Hue familyBrowns
Lightnessdark (34%)
Chromamuted (0.063)
Temperaturewarm
Nearest nameDark Olive (#373E02)
Black text1.80:1
White text11.65:1

Values

HEX#42380A
RGBrgb(66, 56, 10)
HSLhsl(49, 74%, 15%)
OKLCHoklch(34.2% 0.063 96.3)

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 #42380A 11.65:1 AAA Lc -100.4 Preferred for body text
Black text on #42380A 1.80:1 Fails Lc 0.0 Not readable
#42380A text on white 11.65:1 AAA Lc 96.7 Preferred for body text
#42380A 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

    #DED9C6

    oklch(88.4% 0.026 94.8)

  4. Step 300

    300

    #C9C19F

    oklch(80.9% 0.047 96.3)

  5. Step 400

    400

    #AEA169

    oklch(70.7% 0.076 96.7)

  6. Step 500

    500

    #9B893F

    oklch(63.1% 0.097 95.8)

  7. Step 600

    600

    #85731A

    oklch(55.7% 0.105 97)

  8. Step 700

    700

    #716009

    oklch(49.1% 0.098 96.5)

  9. Step 800

    800

    #5C4E0E

    oklch(42.6% 0.081 95.9)

  10. Step 900

    900 (this color)

    #42380A

    oklch(34.2% 0.063 96.3)

  11. Step 950

    950

    #2C260E

    oklch(26.9% 0.039 95.5)

Export this scale for Tailwind in the Tailwind colors tool

#42380A 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)#3F37040.008
Deuteranopia (no green cones)#413A0D0.006
Tritanopia (no blue cones)#48332F0.058
Achromatopsia (no color)#3838380.063

Harmonies

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

Complementary

The opposite hue (180°).

  • #42380A

    #42380A

    oklch(34.2% 0.063 96.3)

  • #303559

    #303559

    oklch(34.2% 0.063 276.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #42380A

    #42380A

    oklch(34.2% 0.063 96.3)

  • #4E3110

    #4E3110

    oklch(34.1% 0.063 66.1)

  • #303E18

    #303E18

    oklch(34.1% 0.062 126.3)

Open the analogous palette in the generator

Split complementary

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

  • #42380A

    #42380A

    oklch(34.2% 0.063 96.3)

  • #1A3B57

    #1A3B57

    oklch(34.2% 0.063 246.6)

  • #412F52

    #412F52

    oklch(34.2% 0.064 307)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #42380A

    #42380A

    oklch(34.2% 0.063 96.3)

  • #00404D

    #00404D

    oklch(34.2% 0.061 216.8)

  • #4D2B45

    #4D2B45

    oklch(34.2% 0.064 336.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #42380A

    #42380A

    oklch(34.2% 0.063 96.3)

  • #00423D

    #00423D

    oklch(34.1% 0.06 186.3)

  • #303559

    #303559

    oklch(34.2% 0.063 276.5)

  • #532933

    #532933

    oklch(34% 0.063 5.8)

Open the square palette in the generator

Palettes with this color

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

Similar named colors

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

Use #42380A 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.