#640C22

Closest named color: Claret (#680018). oklch(32.9% 0.119 13.8), rgb(100, 12, 34).

Aa

White text reads best on this color (12.98:1).

About this color

#640C22 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.119 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.016 away. White text reads best on it, at 12.98:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.119)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.61:1
White text12.98:1

Values

HEX#640C22
RGBrgb(100, 12, 34)
HSLhsl(345, 79%, 22%)
OKLCHoklch(32.9% 0.119 13.8)

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 #640C22 12.98:1 AAA Lc -101.3 Preferred for body text
Black text on #640C22 1.61:1 Fails Lc 0.0 Not readable
#640C22 text on white 12.98:1 AAA Lc 97.8 Preferred for body text
#640C22 text on black 1.61:1 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

    #FDF2F3

    oklch(97% 0.012 11)

  2. Step 100

    100

    #FBE3E5

    oklch(93.6% 0.026 11.9)

  3. Step 200

    200

    #F8CCCF

    oklch(88.4% 0.05 13.5)

  4. Step 300

    300

    #F5A9AF

    oklch(80.9% 0.09 14.1)

  5. Step 400

    400

    #EB7786

    oklch(70.6% 0.143 13.3)

  6. Step 500

    500

    #E14E67

    oklch(63.1% 0.182 14)

  7. Step 600

    600

    #CD274F

    oklch(55.7% 0.199 13.9)

  8. Step 700

    700

    #B11540

    oklch(49.2% 0.186 13.8)

  9. Step 800

    800

    #8F1835

    oklch(42.7% 0.153 13.7)

  10. Step 900

    900 (this color)

    #640C22

    oklch(32.9% 0.119 13.8)

  11. Step 950

    950

    #44131B

    oklch(27% 0.075 14)

Export this scale for Tailwind in the Tailwind colors tool

#640C22 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)#2726220.133
Deuteranopia (no green cones)#3D38200.122
Tritanopia (no blue cones)#6E00160.026
Achromatopsia (no color)#3131310.120

Harmonies

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

Complementary

The opposite hue (180°).

  • #640C22

    #640C22

    oklch(32.9% 0.119 13.8)

  • #003E3D

    #003E3D

    oklch(32.9% 0.056 193)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #640C22

    #640C22

    oklch(32.9% 0.119 13.8)

  • #5B1144

    #5B1144

    oklch(32.8% 0.12 343.6)

  • #5B2000

    #5B2000

    oklch(32.9% 0.096 44.1)

Open the analogous palette in the generator

Split complementary

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

  • #640C22

    #640C22

    oklch(32.9% 0.119 13.8)

  • #00402B

    #00402B

    oklch(32.9% 0.07 163.8)

  • #003B4C

    #003B4C

    oklch(32.7% 0.062 224.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #640C22

    #640C22

    oklch(32.9% 0.119 13.8)

  • #1F3F00

    #1F3F00

    oklch(33% 0.095 134)

  • #003468

    #003468

    oklch(32.7% 0.104 254)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #640C22

    #640C22

    oklch(32.9% 0.119 13.8)

  • #3B3600

    #3B3600

    oklch(32.8% 0.069 103.8)

  • #003E3D

    #003E3D

    oklch(32.9% 0.056 193)

  • #30276F

    #30276F

    oklch(32.9% 0.12 283.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #640C22, closest first.

Similar named colors

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

Use #640C22 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.