#39402A

Closest named color: Charcoal Grey (#3C4142). oklch(35.8% 0.037 122.6), rgb(57, 64, 42).

Aa

White text reads best on this color (10.82:1).

About this color

#39402A is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.037 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.040 away. White text reads best on it, at 10.82:1.

Hue familyBrowns
Lightnessdark (36%)
Chromamuted (0.037)
Temperaturein between
Nearest nameCharcoal Grey (#3C4142)
Black text1.94:1
White text10.82:1

Values

HEX#39402A
RGBrgb(57, 64, 42)
HSLhsl(79, 21%, 21%)
OKLCHoklch(35.8% 0.037 122.6)

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 #39402A 10.82:1 AAA Lc -99.0 Preferred for body text
Black text on #39402A 1.94:1 Fails Lc 8.8 Not readable
#39402A text on white 10.82:1 AAA Lc 95.1 Preferred for body text
#39402A text on black 1.94:1 Fails Lc -7.6 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

    #F5F6F3

    oklch(97.2% 0.004 121.6)

  2. Step 100

    100

    #E9EBE5

    oklch(93.7% 0.008 121.6)

  3. Step 200

    200

    #D7DBD0

    oklch(88.5% 0.015 123.1)

  4. Step 300

    300

    #BDC4B0

    oklch(80.9% 0.029 122.8)

  5. Step 400

    400

    #9BA687

    oklch(70.8% 0.045 123.4)

  6. Step 500

    500

    #838F69

    oklch(63% 0.056 122.2)

  7. Step 600

    600

    #6D7950

    oklch(55.5% 0.062 121.7)

  8. Step 700

    700

    #5B6641

    oklch(49.1% 0.057 122)

  9. Step 800

    800

    #4A5336

    oklch(42.6% 0.047 122.4)

  10. Step 900

    900 (this color)

    #39402A

    oklch(35.8% 0.037 122.6)

  11. Step 950

    950

    #24281C

    oklch(26.9% 0.022 122.9)

Export this scale for Tailwind in the Tailwind colors tool

#39402A 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)#433D290.018
Deuteranopia (no green cones)#423D2B0.018
Tritanopia (no blue cones)#3B3E3A0.030
Achromatopsia (no color)#3D3D3D0.037

Harmonies

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

Complementary

The opposite hue (180°).

  • #39402A

    #39402A

    oklch(35.8% 0.037 122.6)

  • #40384D

    #40384D

    oklch(35.8% 0.037 302)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #39402A

    #39402A

    oklch(35.8% 0.037 122.6)

  • #433C26

    #433C26

    oklch(35.7% 0.036 92.5)

  • #2E4333

    #2E4333

    oklch(36% 0.038 151.5)

Open the analogous palette in the generator

Split complementary

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

  • #39402A

    #39402A

    oklch(35.8% 0.037 122.6)

  • #363C51

    #363C51

    oklch(36% 0.037 272.1)

  • #493545

    #493545

    oklch(35.8% 0.038 333.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #39402A

    #39402A

    oklch(35.8% 0.037 122.6)

  • #2B3F4F

    #2B3F4F

    oklch(35.8% 0.038 243.2)

  • #4E353B

    #4E353B

    oklch(36% 0.037 3.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #39402A

    #39402A

    oklch(35.8% 0.037 122.6)

  • #244248

    #244248

    oklch(35.8% 0.037 211.8)

  • #40384D

    #40384D

    oklch(35.8% 0.037 302)

  • #4E3630

    #4E3630

    oklch(35.9% 0.036 34.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #39402A, closest first.

Similar named colors

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

Use #39402A 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.