#640A32

Closest named color: Burgundy (#610023). oklch(33.2% 0.124 1.1), rgb(100, 10, 50).

Aa

White text reads best on this color (12.87:1).

About this color

#640A32 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.124 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.026 away. White text reads best on it, at 12.87:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.124)
Temperaturewarm
Nearest nameBurgundy (#610023)
Black text1.63:1
White text12.87:1

Values

HEX#640A32
RGBrgb(100, 10, 50)
HSLhsl(333, 82%, 22%)
OKLCHoklch(33.2% 0.124 1.1)

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 #640A32 12.87:1 AAA Lc -101.1 Preferred for body text
Black text on #640A32 1.63:1 Fails Lc 0.0 Not readable
#640A32 text on white 12.87:1 AAA Lc 97.6 Preferred for body text
#640A32 text on black 1.63:1 Fails Lc 0.0 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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FAE3E9

    oklch(93.6% 0.026 359.9)

  3. Step 200

    200

    #F8CCD7

    oklch(88.6% 0.052 1.5)

  4. Step 300

    300

    #F4A7BD

    oklch(80.9% 0.094 0.8)

  5. Step 400

    400

    #EA759B

    oklch(70.7% 0.149 1.1)

  6. Step 500

    500

    #DF4A82

    oklch(63% 0.19 1.2)

  7. Step 600

    600

    #CB216C

    oklch(55.7% 0.207 1.1)

  8. Step 700

    700

    #AF0D5A

    oklch(49.2% 0.193 1.2)

  9. Step 800

    800

    #8E134A

    oklch(42.7% 0.16 0.9)

  10. Step 900

    900 (this color)

    #640A32

    oklch(33.2% 0.124 1.1)

  11. Step 950

    950

    #431224

    oklch(27% 0.078 1.1)

Export this scale for Tailwind in the Tailwind colors tool

#640A32 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)#2227330.141
Deuteranopia (no green cones)#3A38300.126
Tritanopia (no blue cones)#6D001D0.038
Achromatopsia (no color)#3232320.125

Harmonies

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

Complementary

The opposite hue (180°).

  • #640A32

    #640A32

    oklch(33.2% 0.124 1.1)

  • #004038

    #004038

    oklch(33.3% 0.06 181.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #640A32

    #640A32

    oklch(33.2% 0.124 1.1)

  • #571452

    #571452

    oklch(33.2% 0.124 331.2)

  • #670D03

    #670D03

    oklch(33.1% 0.124 31.1)

Open the analogous palette in the generator

Split complementary

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

  • #640A32

    #640A32

    oklch(33.2% 0.124 1.1)

  • #00421C

    #00421C

    oklch(33.2% 0.089 151.1)

  • #003E47

    #003E47

    oklch(33.4% 0.058 210.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #640A32

    #640A32

    oklch(33.2% 0.124 1.1)

  • #303C00

    #303C00

    oklch(33.3% 0.08 121.4)

  • #003A5A

    #003A5A

    oklch(33.3% 0.078 241)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #640A32

    #640A32

    oklch(33.2% 0.124 1.1)

  • #433400

    #433400

    oklch(33.2% 0.068 90.9)

  • #004038

    #004038

    oklch(33.3% 0.06 181.2)

  • #212C75

    #212C75

    oklch(33.3% 0.125 271.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #640A32, closest first.

Similar named colors

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

Use #640A32 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.