#64302B

Closest named color: Purple Brown (#673A3F). oklch(37.7% 0.076 26.9), rgb(100, 48, 43).

Aa

White text reads best on this color (10.50:1).

About this color

#64302B is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.076 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.035 away. White text reads best on it, at 10.50:1.

Hue familyReds
Lightnessdark (38%)
Chromamoderately saturated (0.076)
Temperaturewarm
Nearest namePurple Brown (#673A3F)
Black text1.99:1
White text10.50:1

Values

HEX#64302B
RGBrgb(100, 48, 43)
HSLhsl(5, 40%, 28%)
OKLCHoklch(37.7% 0.076 26.9)

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 #64302B 10.50:1 AAA Lc -98.0 Preferred for body text
Black text on #64302B 1.99:1 Fails Lc 9.9 Not readable
#64302B text on white 10.50:1 AAA Lc 94.0 Preferred for body text
#64302B text on black 1.99:1 Fails Lc -8.5 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

    #FBF4F3

    oklch(97.2% 0.008 27.2)

  2. Step 100

    100

    #F5E6E4

    oklch(93.6% 0.017 26.7)

  3. Step 200

    200

    #EED2CE

    oklch(88.6% 0.032 27.4)

  4. Step 300

    300

    #E3B3AD

    oklch(80.8% 0.057 26.6)

  5. Step 400

    400

    #D48A82

    oklch(70.7% 0.092 26.4)

  6. Step 500

    500

    #C66C62

    oklch(63.1% 0.116 27.5)

  7. Step 600

    600

    #B15249

    oklch(55.6% 0.126 27.4)

  8. Step 700

    700

    #98423B

    oklch(49.1% 0.117 26.9)

  9. Step 800

    800

    #7C3731

    oklch(42.8% 0.097 27)

  10. Step 900

    900 (this color)

    #64302B

    oklch(37.7% 0.076 26.9)

  11. Step 950

    950

    #3B1D19

    oklch(27.1% 0.048 28.6)

Export this scale for Tailwind in the Tailwind colors tool

#64302B 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)#3C392A0.080
Deuteranopia (no green cones)#49432A0.073
Tritanopia (no blue cones)#6D282F0.027
Achromatopsia (no color)#3F3F3F0.077

Harmonies

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

Complementary

The opposite hue (180°).

  • #64302B

    #64302B

    oklch(37.7% 0.076 26.9)

  • #004B53

    #004B53

    oklch(37.7% 0.065 207)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #64302B

    #64302B

    oklch(37.7% 0.076 26.9)

  • #612F42

    #612F42

    oklch(37.7% 0.076 357.3)

  • #5F3613

    #5F3613

    oklch(37.7% 0.076 57.6)

Open the analogous palette in the generator

Split complementary

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

  • #64302B

    #64302B

    oklch(37.7% 0.076 26.9)

  • #004D41

    #004D41

    oklch(37.6% 0.069 177.7)

  • #0C4765

    #0C4765

    oklch(37.8% 0.076 237.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #64302B

    #64302B

    oklch(37.7% 0.076 26.9)

  • #234C29

    #234C29

    oklch(37.7% 0.075 147.1)

  • #2F3F6A

    #2F3F6A

    oklch(37.6% 0.077 267.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #64302B

    #64302B

    oklch(37.7% 0.076 26.9)

  • #3F4610

    #3F4610

    oklch(37.6% 0.075 116.5)

  • #004B53

    #004B53

    oklch(37.7% 0.065 207)

  • #463865

    #463865

    oklch(37.7% 0.076 296.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64302B, closest first.

Similar named colors

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

Use #64302B 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.