#64131A

Closest named color: Claret (#680018). oklch(33.3% 0.113 21.7), rgb(100, 19, 26).

Aa

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

About this color

#64131A is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.113 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.020 away. White text reads best on it, at 12.72:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.113)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.64:1
White text12.72:1

Values

HEX#64131A
RGBrgb(100, 19, 26)
HSLhsl(355, 68%, 23%)
OKLCHoklch(33.3% 0.113 21.7)

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 #64131A 12.72:1 AAA Lc -101.2 Preferred for body text
Black text on #64131A 1.64:1 Fails Lc 0.0 Not readable
#64131A text on white 12.72:1 AAA Lc 97.6 Preferred for body text
#64131A 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

    #F7CECB

    oklch(88.6% 0.047 23)

  4. Step 300

    300

    #F3ABA8

    oklch(80.9% 0.085 21.8)

  5. Step 400

    400

    #E97B7A

    oklch(70.6% 0.136 21.6)

  6. Step 500

    500

    #DF5458

    oklch(63.1% 0.174 21.9)

  7. Step 600

    600

    #CA313E

    oklch(55.6% 0.189 21.7)

  8. Step 700

    700

    #AE2130

    oklch(49% 0.175 21.7)

  9. Step 800

    800

    #8E1F29

    oklch(42.8% 0.146 21.5)

  10. Step 900

    900 (this color)

    #64131A

    oklch(33.3% 0.113 21.7)

  11. Step 950

    950

    #431516

    oklch(27% 0.071 21.9)

Export this scale for Tailwind in the Tailwind colors tool

#64131A 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)#2B271A0.124
Deuteranopia (no green cones)#3F39170.115
Tritanopia (no blue cones)#6F00160.026
Achromatopsia (no color)#3232320.114

Harmonies

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

Complementary

The opposite hue (180°).

  • #64131A

    #64131A

    oklch(33.3% 0.113 21.7)

  • #003F42

    #003F42

    oklch(33.4% 0.057 200.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #64131A

    #64131A

    oklch(33.3% 0.113 21.7)

  • #5E143C

    #5E143C

    oklch(33.3% 0.113 352)

  • #572600

    #572600

    oklch(33.2% 0.086 51.5)

Open the analogous palette in the generator

Split complementary

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

  • #64131A

    #64131A

    oklch(33.3% 0.113 21.7)

  • #004132

    #004132

    oklch(33.4% 0.065 171.2)

  • #003C53

    #003C53

    oklch(33.4% 0.068 231.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #64131A

    #64131A

    oklch(33.3% 0.113 21.7)

  • #054300

    #054300

    oklch(33.3% 0.111 141.7)

  • #12326F

    #12326F

    oklch(33.3% 0.113 261.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #64131A

    #64131A

    oklch(33.3% 0.113 21.7)

  • #383900

    #383900

    oklch(33.3% 0.073 110.9)

  • #003F42

    #003F42

    oklch(33.4% 0.057 200.1)

  • #39266A

    #39266A

    oklch(33.2% 0.113 291.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64131A, closest first.

Similar named colors

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

Use #64131A 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.