#642E2C

Closest named color: Purple Brown (#673A3F). oklch(37.4% 0.079 23.7), rgb(100, 46, 44).

Aa

White text reads best on this color (10.66:1).

About this color

#642E2C is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.079 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.037 away. White text reads best on it, at 10.66:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.079)
Temperaturewarm
Nearest namePurple Brown (#673A3F)
Black text1.96:1
White text10.66:1

Values

HEX#642E2C
RGBrgb(100, 46, 44)
HSLhsl(2, 39%, 28%)
OKLCHoklch(37.4% 0.079 23.7)

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 #642E2C 10.66:1 AAA Lc -98.3 Preferred for body text
Black text on #642E2C 1.96:1 Fails Lc 9.6 Not readable
#642E2C text on white 10.66:1 AAA Lc 94.4 Preferred for body text
#642E2C text on black 1.96:1 Fails Lc -8.2 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

    #FBF3F3

    oklch(97% 0.009 17.3)

  2. Step 100

    100

    #F5E6E4

    oklch(93.6% 0.017 26.7)

  3. Step 200

    200

    #EED1CF

    oklch(88.4% 0.033 22.5)

  4. Step 300

    300

    #E4B2AE

    oklch(80.8% 0.059 23.7)

  5. Step 400

    400

    #D58984

    oklch(70.7% 0.094 23.8)

  6. Step 500

    500

    #C86A66

    oklch(63.2% 0.12 23.6)

  7. Step 600

    600

    #B34F4D

    oklch(55.5% 0.131 23.4)

  8. Step 700

    700

    #9A403E

    oklch(49.2% 0.121 23.9)

  9. Step 800

    800

    #7D3533

    oklch(42.7% 0.101 23.9)

  10. Step 900

    900 (this color)

    #642E2C

    oklch(37.4% 0.079 23.7)

  11. Step 950

    950

    #3B1C1A

    oklch(26.9% 0.049 24.7)

Export this scale for Tailwind in the Tailwind colors tool

#642E2C 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)#3A372C0.083
Deuteranopia (no green cones)#48422B0.076
Tritanopia (no blue cones)#6D262E0.025
Achromatopsia (no color)#3E3E3E0.079

Harmonies

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

Complementary

The opposite hue (180°).

  • #642E2C

    #642E2C

    oklch(37.4% 0.079 23.7)

  • #004A50

    #004A50

    oklch(37.3% 0.064 204.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #642E2C

    #642E2C

    oklch(37.4% 0.079 23.7)

  • #602D44

    #602D44

    oklch(37.3% 0.08 353.3)

  • #603413

    #603413

    oklch(37.4% 0.078 54.2)

Open the analogous palette in the generator

Split complementary

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

  • #642E2C

    #642E2C

    oklch(37.4% 0.079 23.7)

  • #004D3E

    #004D3E

    oklch(37.5% 0.071 173.9)

  • #004763

    #004763

    oklch(37.4% 0.077 233.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #642E2C

    #642E2C

    oklch(37.4% 0.079 23.7)

  • #244B24

    #244B24

    oklch(37.3% 0.078 143.8)

  • #2B3F6A

    #2B3F6A

    oklch(37.3% 0.078 264.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #642E2C

    #642E2C

    oklch(37.4% 0.079 23.7)

  • #414508

    #414508

    oklch(37.4% 0.079 113.5)

  • #004A50

    #004A50

    oklch(37.3% 0.064 204.1)

  • #433866

    #433866

    oklch(37.5% 0.078 293.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #642E2C, closest first.

Similar named colors

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

Use #642E2C 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.