#42440F

Closest named color: Dark Olive (#373E02). oklch(37.3% 0.072 111.6), rgb(66, 68, 15).

Aa

White text reads best on this color (10.16:1).

About this color

#42440F is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.072 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.029 away. White text reads best on it, at 10.16:1.

Hue familyBrowns
Lightnessdark (37%)
Chromamoderately saturated (0.072)
Temperaturein between
Nearest nameDark Olive (#373E02)
Black text2.06:1
White text10.16:1

Values

HEX#42440F
RGBrgb(66, 68, 15)
HSLhsl(62, 64%, 16%)
OKLCHoklch(37.3% 0.072 111.6)

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 #42440F 10.16:1 AAA Lc -97.6 Preferred for body text
Black text on #42440F 2.06:1 Fails Lc 10.4 Not readable
#42440F text on white 10.16:1 AAA Lc 93.5 Preferred for body text
#42440F text on black 2.06:1 Fails Lc -9.0 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

    #F5F6F0

    oklch(97.1% 0.008 114.2)

  2. Step 100

    100

    #EAEBDF

    oklch(93.6% 0.016 110.6)

  3. Step 200

    200

    #D9DBC5

    oklch(88.4% 0.03 111.2)

  4. Step 300

    300

    #C1C59D

    oklch(81% 0.054 112.2)

  5. Step 400

    400

    #A2A665

    oklch(70.7% 0.087 111.5)

  6. Step 500

    500

    #8C9038

    oklch(63.2% 0.111 111.6)

  7. Step 600

    600

    #767907

    oklch(55.5% 0.12 111.5)

  8. Step 700

    700

    #636600

    oklch(49.1% 0.109 111.8)

  9. Step 800

    800

    #515303

    oklch(42.6% 0.092 111.4)

  10. Step 900

    900 (this color)

    #42440F

    oklch(37.3% 0.072 111.6)

  11. Step 950

    950

    #27290C

    oklch(27.1% 0.046 112.7)

Export this scale for Tailwind in the Tailwind colors tool

#42440F 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)#4A41070.015
Deuteranopia (no green cones)#4A42130.016
Tritanopia (no blue cones)#473F3A0.066
Achromatopsia (no color)#4141410.072

Harmonies

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

Complementary

The opposite hue (180°).

  • #42440F

    #42440F

    oklch(37.3% 0.072 111.6)

  • #413964

    #413964

    oklch(37.3% 0.073 291)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #42440F

    #42440F

    oklch(37.3% 0.072 111.6)

  • #543C08

    #543C08

    oklch(37.4% 0.072 81.1)

  • #294A25

    #294A25

    oklch(37.3% 0.072 141.7)

Open the analogous palette in the generator

Split complementary

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

  • #42440F

    #42440F

    oklch(37.3% 0.072 111.6)

  • #2B4067

    #2B4067

    oklch(37.4% 0.072 262)

  • #523357

    #523357

    oklch(37.3% 0.071 321.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #42440F

    #42440F

    oklch(37.3% 0.072 111.6)

  • #074760

    #074760

    oklch(37.4% 0.072 231.3)

  • #5D2F45

    #5D2F45

    oklch(37.3% 0.073 351.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #42440F

    #42440F

    oklch(37.3% 0.072 111.6)

  • #004A4F

    #004A4F

    oklch(37.3% 0.063 202.6)

  • #413964

    #413964

    oklch(37.3% 0.073 291)

  • #61302F

    #61302F

    oklch(37.3% 0.071 22.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #42440F, closest first.

Similar named colors

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

Use #42440F 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.