#64292D

Closest named color: Purple Brown (#673A3F). oklch(36.6% 0.085 18.2), rgb(100, 41, 45).

Aa

White text reads best on this color (11.07:1).

About this color

#64292D is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.085 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.045 away. White text reads best on it, at 11.07:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.085)
Temperaturewarm
Nearest namePurple Brown (#673A3F)
Black text1.89:1
White text11.07:1

Values

HEX#64292D
RGBrgb(100, 41, 45)
HSLhsl(356, 42%, 28%)
OKLCHoklch(36.6% 0.085 18.2)

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 #64292D 11.07:1 AAA Lc -99.0 Preferred for body text
Black text on #64292D 1.89:1 Fails Lc 8.8 Not readable
#64292D text on white 11.07:1 AAA Lc 95.1 Preferred for body text
#64292D 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

    #FBF3F3

    oklch(97% 0.009 17.3)

  2. Step 100

    100

    #F6E5E5

    oklch(93.5% 0.019 17.5)

  3. Step 200

    200

    #F0D0D0

    oklch(88.4% 0.036 17.9)

  4. Step 300

    300

    #E7B1B1

    oklch(81% 0.063 18.5)

  5. Step 400

    400

    #D98688

    oklch(70.7% 0.102 18.4)

  6. Step 500

    500

    #CC656B

    oklch(63% 0.131 17.9)

  7. Step 600

    600

    #B84A53

    oklch(55.7% 0.143 18.1)

  8. Step 700

    700

    #9E3A43

    oklch(49.1% 0.133 18.2)

  9. Step 800

    800

    #803137

    oklch(42.7% 0.109 18.5)

  10. Step 900

    900 (this color)

    #64292D

    oklch(36.6% 0.085 18.2)

  11. Step 950

    950

    #3D1A1C

    oklch(26.9% 0.055 17.9)

Export this scale for Tailwind in the Tailwind colors tool

#64292D 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)#36342D0.093
Deuteranopia (no green cones)#45402C0.085
Tritanopia (no blue cones)#6D202B0.024
Achromatopsia (no color)#3C3C3C0.086

Harmonies

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

Complementary

The opposite hue (180°).

  • #64292D

    #64292D

    oklch(36.6% 0.085 18.2)

  • #00484A

    #00484A

    oklch(36.5% 0.062 198)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #64292D

    #64292D

    oklch(36.6% 0.085 18.2)

  • #5E2A46

    #5E2A46

    oklch(36.6% 0.084 348.6)

  • #622E0F

    #622E0F

    oklch(36.6% 0.086 47.9)

Open the analogous palette in the generator

Split complementary

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

  • #64292D

    #64292D

    oklch(36.6% 0.085 18.2)

  • #004B37

    #004B37

    oklch(36.7% 0.074 167.8)

  • #00455C

    #00455C

    oklch(36.5% 0.072 228.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #64292D

    #64292D

    oklch(36.6% 0.085 18.2)

  • #264919

    #264919

    oklch(36.7% 0.086 138.1)

  • #203E6B

    #203E6B

    oklch(36.5% 0.086 258.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #64292D

    #64292D

    oklch(36.6% 0.085 18.2)

  • #434100

    #434100

    oklch(36.5% 0.079 107.8)

  • #00484A

    #00484A

    oklch(36.5% 0.062 198)

  • #3D3669

    #3D3669

    oklch(36.6% 0.086 287.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64292D, closest first.

Similar named colors

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

Use #64292D 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.