#64121D

Closest named color: Claret (#680018). oklch(33.3% 0.114 19.2), rgb(100, 18, 29).

Aa

White text reads best on this color (12.75:1).

About this color

#64121D is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.114 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.018 away. White text reads best on it, at 12.75:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.114)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.64:1
White text12.75:1

Values

HEX#64121D
RGBrgb(100, 18, 29)
HSLhsl(352, 69%, 23%)
OKLCHoklch(33.3% 0.114 19.2)

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 #64121D 12.75:1 AAA Lc -101.2 Preferred for body text
Black text on #64121D 1.64:1 Fails Lc 0.0 Not readable
#64121D text on white 12.75:1 AAA Lc 97.7 Preferred for body text
#64121D text on black 1.64:1 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

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #FAE4E3

    oklch(93.6% 0.024 20.7)

  3. Step 200

    200

    #F7CDCD

    oklch(88.4% 0.048 18.1)

  4. Step 300

    300

    #F3ABAB

    oklch(81% 0.085 19.1)

  5. Step 400

    400

    #E97A7E

    oklch(70.6% 0.137 18.9)

  6. Step 500

    500

    #DF535D

    oklch(63.1% 0.175 19.5)

  7. Step 600

    600

    #CA2F44

    oklch(55.5% 0.19 19.1)

  8. Step 700

    700

    #AF1F36

    oklch(49.2% 0.177 19.1)

  9. Step 800

    800

    #8E1E2D

    oklch(42.8% 0.146 19.2)

  10. Step 900

    900 (this color)

    #64121D

    oklch(33.3% 0.114 19.2)

  11. Step 950

    950

    #431418

    oklch(26.9% 0.073 18.4)

Export this scale for Tailwind in the Tailwind colors tool

#64121D 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)#2A271D0.126
Deuteranopia (no green cones)#3F391B0.115
Tritanopia (no blue cones)#6E00170.024
Achromatopsia (no color)#3232320.115

Harmonies

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

Complementary

The opposite hue (180°).

  • #64121D

    #64121D

    oklch(33.3% 0.114 19.2)

  • #003F41

    #003F41

    oklch(33.4% 0.057 198.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #64121D

    #64121D

    oklch(33.3% 0.114 19.2)

  • #5D143F

    #5D143F

    oklch(33.2% 0.114 349)

  • #592500

    #592500

    oklch(33.4% 0.089 49.5)

Open the analogous palette in the generator

Split complementary

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

  • #64121D

    #64121D

    oklch(33.3% 0.114 19.2)

  • #004130

    #004130

    oklch(33.3% 0.067 168.7)

  • #003C51

    #003C51

    oklch(33.3% 0.066 229.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #64121D

    #64121D

    oklch(33.3% 0.114 19.2)

  • #124200

    #124200

    oklch(33.3% 0.105 139.2)

  • #0A336F

    #0A336F

    oklch(33.3% 0.113 258.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #64121D

    #64121D

    oklch(33.3% 0.114 19.2)

  • #393900

    #393900

    oklch(33.4% 0.073 109.8)

  • #003F41

    #003F41

    oklch(33.4% 0.057 198.3)

  • #37276C

    #37276C

    oklch(33.3% 0.115 289.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64121D, closest first.

Similar named colors

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

Use #64121D 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.