#641221

Closest named color: Claret (#680018). oklch(33.4% 0.114 16.3), rgb(100, 18, 33).

Aa

White text reads best on this color (12.72:1).

About this color

#641221 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.114 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.019 away. White text reads best on it, at 12.72:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.114)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.65:1
White text12.72:1

Values

HEX#641221
RGBrgb(100, 18, 33)
HSLhsl(349, 69%, 23%)
OKLCHoklch(33.4% 0.114 16.3)

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 #641221 12.72:1 AAA Lc -101.1 Preferred for body text
Black text on #641221 1.65:1 Fails Lc 0.0 Not readable
#641221 text on white 12.72:1 AAA Lc 97.6 Preferred for body text
#641221 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

    #FDF3F3

    oklch(97.2% 0.011 17.3)

  2. Step 100

    100

    #FAE4E4

    oklch(93.7% 0.024 17.6)

  3. Step 200

    200

    #F7CDCE

    oklch(88.5% 0.048 16.5)

  4. Step 300

    300

    #F3AAAE

    oklch(80.9% 0.086 15.5)

  5. Step 400

    400

    #E97A83

    oklch(70.7% 0.137 16.1)

  6. Step 500

    500

    #DF5264

    oklch(63.1% 0.176 16.2)

  7. Step 600

    600

    #CA2F4B

    oklch(55.6% 0.19 16.4)

  8. Step 700

    700

    #AE1F3C

    oklch(49.1% 0.176 16.4)

  9. Step 800

    800

    #8D1D32

    oklch(42.6% 0.146 16.1)

  10. Step 900

    900 (this color)

    #641221

    oklch(33.4% 0.114 16.3)

  11. Step 950

    950

    #43141A

    oklch(27% 0.073 15.8)

Export this scale for Tailwind in the Tailwind colors tool

#641221 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)#2928210.127
Deuteranopia (no green cones)#3E391F0.116
Tritanopia (no blue cones)#6E00180.025
Achromatopsia (no color)#3333330.115

Harmonies

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

Complementary

The opposite hue (180°).

  • #641221

    #641221

    oklch(33.4% 0.114 16.3)

  • #003F40

    #003F40

    oklch(33.3% 0.057 196.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #641221

    #641221

    oklch(33.4% 0.114 16.3)

  • #5C1542

    #5C1542

    oklch(33.3% 0.114 346.2)

  • #5B2300

    #5B2300

    oklch(33.4% 0.093 46.6)

Open the analogous palette in the generator

Split complementary

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

  • #641221

    #641221

    oklch(33.4% 0.114 16.3)

  • #00412E

    #00412E

    oklch(33.3% 0.069 166.3)

  • #003C4F

    #003C4F

    oklch(33.2% 0.064 226.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #641221

    #641221

    oklch(33.4% 0.114 16.3)

  • #1B4100

    #1B4100

    oklch(33.4% 0.1 136.2)

  • #01346F

    #01346F

    oklch(33.4% 0.114 256.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #641221

    #641221

    oklch(33.4% 0.114 16.3)

  • #3B3800

    #3B3800

    oklch(33.3% 0.071 106.3)

  • #003F40

    #003F40

    oklch(33.3% 0.057 196.6)

  • #34286D

    #34286D

    oklch(33.3% 0.115 286.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #641221, closest first.

Similar named colors

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

Use #641221 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.