#64102D

Closest named color: Burgundy (#610023). oklch(33.5% 0.118 6.2), rgb(100, 16, 45).

Aa

White text reads best on this color (12.69:1).

About this color

#64102D is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.118 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.023 away. White text reads best on it, at 12.69:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.118)
Temperaturewarm
Nearest nameBurgundy (#610023)
Black text1.65:1
White text12.69:1

Values

HEX#64102D
RGBrgb(100, 16, 45)
HSLhsl(339, 72%, 23%)
OKLCHoklch(33.5% 0.118 6.2)

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 #64102D 12.69:1 AAA Lc -101.1 Preferred for body text
Black text on #64102D 1.65:1 Fails Lc 0.0 Not readable
#64102D text on white 12.69:1 AAA Lc 97.5 Preferred for body text
#64102D text on black 1.65:1 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

    #FDF2F4

    oklch(97% 0.012 4.7)

  2. Step 100

    100

    #FAE3E7

    oklch(93.6% 0.026 5.7)

  3. Step 200

    200

    #F7CCD4

    oklch(88.4% 0.05 5.6)

  4. Step 300

    300

    #F2A9B8

    oklch(80.9% 0.088 5.7)

  5. Step 400

    400

    #E87893

    oklch(70.7% 0.14 6)

  6. Step 500

    500

    #DE4F78

    oklch(63.1% 0.18 6.3)

  7. Step 600

    600

    #C92A61

    oklch(55.6% 0.196 6.3)

  8. Step 700

    700

    #AD1950

    oklch(49% 0.182 6.3)

  9. Step 800

    800

    #8D1A42

    oklch(42.8% 0.151 6.2)

  10. Step 900

    900 (this color)

    #64102D

    oklch(33.5% 0.118 6.2)

  11. Step 950

    950

    #431321

    oklch(27% 0.075 5.7)

Export this scale for Tailwind in the Tailwind colors tool

#64102D 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)#26282E0.132
Deuteranopia (no green cones)#3C392B0.121
Tritanopia (no blue cones)#6E001D0.031
Achromatopsia (no color)#3333330.118

Harmonies

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

Complementary

The opposite hue (180°).

  • #64102D

    #64102D

    oklch(33.5% 0.118 6.2)

  • #00403B

    #00403B

    oklch(33.4% 0.059 186.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #64102D

    #64102D

    oklch(33.5% 0.118 6.2)

  • #59174D

    #59174D

    oklch(33.5% 0.117 336)

  • #641700

    #641700

    oklch(33.4% 0.114 36.2)

Open the analogous palette in the generator

Split complementary

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

  • #64102D

    #64102D

    oklch(33.5% 0.118 6.2)

  • #004324

    #004324

    oklch(33.7% 0.082 155.7)

  • #003E4A

    #003E4A

    oklch(33.5% 0.059 215.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #64102D

    #64102D

    oklch(33.5% 0.118 6.2)

  • #2B3E00

    #2B3E00

    oklch(33.5% 0.086 126.5)

  • #003960

    #003960

    oklch(33.4% 0.087 246.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #64102D

    #64102D

    oklch(33.5% 0.118 6.2)

  • #413600

    #413600

    oklch(33.5% 0.069 96.4)

  • #00403B

    #00403B

    oklch(33.4% 0.059 186.1)

  • #292C71

    #292C71

    oklch(33.5% 0.117 276.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64102D, closest first.

Similar named colors

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

Use #64102D 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.