#642B07

Closest named color: Chestnut (#742802). oklch(36.3% 0.094 47.3), rgb(100, 43, 7).

Aa

White text reads best on this color (11.10:1).

About this color

#642B07 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.094 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.033 away. White text reads best on it, at 11.10:1.

Hue familyBrowns
Lightnessdark (36%)
Chromamoderately saturated (0.094)
Temperaturewarm
Nearest nameChestnut (#742802)
Black text1.89:1
White text11.10:1

Values

HEX#642B07
RGBrgb(100, 43, 7)
HSLhsl(23, 87%, 21%)
OKLCHoklch(36.3% 0.094 47.3)

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 #642B07 11.10:1 AAA Lc -99.0 Preferred for body text
Black text on #642B07 1.89:1 Fails Lc 8.8 Not readable
#642B07 text on white 11.10:1 AAA Lc 95.1 Preferred for body text
#642B07 text on black 1.89:1 Fails Lc -7.5 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

    #FBF4F0

    oklch(97.1% 0.009 52.1)

  2. Step 100

    100

    #F6E6DF

    oklch(93.6% 0.02 45.3)

  3. Step 200

    200

    #F0D2C4

    oklch(88.5% 0.039 46.6)

  4. Step 300

    300

    #E7B39A

    oklch(80.8% 0.07 46.9)

  5. Step 400

    400

    #DA8A61

    oklch(70.7% 0.113 47.5)

  6. Step 500

    500

    #CE6A32

    oklch(63.2% 0.144 47.2)

  7. Step 600

    600

    #B85000

    oklch(55.7% 0.153 47.4)

  8. Step 700

    700

    #9B4200

    oklch(49% 0.135 47.3)

  9. Step 800

    800

    #803500

    oklch(42.6% 0.118 47.1)

  10. Step 900

    900 (this color)

    #642B07

    oklch(36.3% 0.094 47.3)

  11. Step 950

    950

    #3D1C0A

    oklch(27% 0.059 47.2)

Export this scale for Tailwind in the Tailwind colors tool

#642B07 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)#3B34020.086
Deuteranopia (no green cones)#4940050.076
Tritanopia (no blue cones)#6F1E240.052
Achromatopsia (no color)#3C3C3C0.094

Harmonies

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

Complementary

The opposite hue (180°).

  • #642B07

    #642B07

    oklch(36.3% 0.094 47.3)

  • #00455B

    #00455B

    oklch(36.4% 0.071 227.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #642B07

    #642B07

    oklch(36.3% 0.094 47.3)

  • #66252B

    #66252B

    oklch(36.3% 0.094 17.6)

  • #543800

    #543800

    oklch(36.4% 0.076 77.5)

Open the analogous palette in the generator

Split complementary

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

  • #642B07

    #642B07

    oklch(36.3% 0.094 47.3)

  • #004849

    #004849

    oklch(36.4% 0.062 196.4)

  • #1A3D6E

    #1A3D6E

    oklch(36.2% 0.094 257.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #642B07

    #642B07

    oklch(36.3% 0.094 47.3)

  • #004A36

    #004A36

    oklch(36.3% 0.074 167.5)

  • #3C346C

    #3C346C

    oklch(36.3% 0.094 287.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #642B07

    #642B07

    oklch(36.3% 0.094 47.3)

  • #234911

    #234911

    oklch(36.4% 0.094 137.4)

  • #00455B

    #00455B

    oklch(36.4% 0.071 227.4)

  • #522C5E

    #522C5E

    oklch(36.4% 0.094 317.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #642B07, closest first.

Similar named colors

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

Use #642B07 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.