#642C07

Closest named color: Chestnut (#742802). oklch(36.5% 0.093 48.2), rgb(100, 44, 7).

Aa

White text reads best on this color (11.02:1).

About this color

#642C07 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.093 and its hue 48°. 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 11.02:1.

Hue familyBrowns
Lightnessdark (36%)
Chromamoderately saturated (0.093)
Temperaturewarm
Nearest nameChestnut (#742802)
Black text1.90:1
White text11.02:1

Values

HEX#642C07
RGBrgb(100, 44, 7)
HSLhsl(24, 87%, 21%)
OKLCHoklch(36.5% 0.093 48.2)

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 #642C07 11.02:1 AAA Lc -98.9 Preferred for body text
Black text on #642C07 1.90:1 Fails Lc 8.9 Not readable
#642C07 text on white 11.02:1 AAA Lc 95.0 Preferred for body text
#642C07 text on black 1.90:1 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

    #FBF4F0

    oklch(97.1% 0.009 52.1)

  2. Step 100

    100

    #F6E6DE

    oklch(93.6% 0.021 48.5)

  3. Step 200

    200

    #F0D2C3

    oklch(88.5% 0.039 48.3)

  4. Step 300

    300

    #E7B49A

    oklch(81% 0.069 48.3)

  5. Step 400

    400

    #D98B61

    oklch(70.8% 0.111 48.6)

  6. Step 500

    500

    #CD6B31

    oklch(63.2% 0.143 48.3)

  7. Step 600

    600

    #B75100

    oklch(55.7% 0.151 48.1)

  8. Step 700

    700

    #9A4300

    oklch(49% 0.133 48.1)

  9. Step 800

    800

    #7F3600

    oklch(42.6% 0.116 48.2)

  10. Step 900

    900 (this color)

    #642C07

    oklch(36.5% 0.093 48.2)

  11. Step 950

    950

    #3D1C09

    oklch(26.9% 0.059 48.1)

Export this scale for Tailwind in the Tailwind colors tool

#642C07 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)#3C34020.084
Deuteranopia (no green cones)#4A41050.075
Tritanopia (no blue cones)#6F1F250.053
Achromatopsia (no color)#3C3C3C0.093

Harmonies

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

Complementary

The opposite hue (180°).

  • #642C07

    #642C07

    oklch(36.5% 0.093 48.2)

  • #00455C

    #00455C

    oklch(36.5% 0.072 228.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #642C07

    #642C07

    oklch(36.5% 0.093 48.2)

  • #67262B

    #67262B

    oklch(36.6% 0.094 18.4)

  • #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°).

  • #642C07

    #642C07

    oklch(36.5% 0.093 48.2)

  • #00484A

    #00484A

    oklch(36.5% 0.062 198)

  • #1D3E6E

    #1D3E6E

    oklch(36.6% 0.092 257.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #642C07

    #642C07

    oklch(36.5% 0.093 48.2)

  • #004A37

    #004A37

    oklch(36.4% 0.073 168.6)

  • #3D346C

    #3D346C

    oklch(36.4% 0.094 288.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #642C07

    #642C07

    oklch(36.5% 0.093 48.2)

  • #234914

    #234914

    oklch(36.4% 0.092 138.1)

  • #00455C

    #00455C

    oklch(36.5% 0.072 228.5)

  • #522C5D

    #522C5D

    oklch(36.4% 0.093 318.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #642C07, closest first.

Similar named colors

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

Use #642C07 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.