#64091A

Closest named color: Claret (#680018). oklch(32.5% 0.121 18.7), rgb(100, 9, 26).

Aa

White text reads best on this color (13.15:1).

About this color

#64091A is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.121 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.010 away. White text reads best on it, at 13.15:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.121)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.59:1
White text13.15:1

Values

HEX#64091A
RGBrgb(100, 9, 26)
HSLhsl(349, 83%, 21%)
OKLCHoklch(32.5% 0.121 18.7)

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 #64091A 13.15:1 AAA Lc -101.5 Preferred for body text
Black text on #64091A 1.59:1 Fails Lc 0.0 Not readable
#64091A text on white 13.15:1 AAA Lc 98.0 Preferred for body text
#64091A text on black 1.59:1 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

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FBE3E3

    oklch(93.5% 0.026 17.6)

  3. Step 200

    200

    #F9CCCC

    oklch(88.4% 0.051 18.2)

  4. Step 300

    300

    #F6A9AA

    oklch(80.9% 0.091 18.4)

  5. Step 400

    400

    #ED777C

    oklch(70.6% 0.146 18.9)

  6. Step 500

    500

    #E44D5C

    oklch(63.2% 0.186 18.6)

  7. Step 600

    600

    #CF2542

    oklch(55.6% 0.202 18.7)

  8. Step 700

    700

    #B31234

    oklch(49.2% 0.188 18.6)

  9. Step 800

    800

    #91162B

    oklch(42.7% 0.156 18.8)

  10. Step 900

    900 (this color)

    #64091A

    oklch(32.5% 0.121 18.7)

  11. Step 950

    950

    #451317

    oklch(27.1% 0.077 19.3)

Export this scale for Tailwind in the Tailwind colors tool

#64091A 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)#27241A0.135
Deuteranopia (no green cones)#3D37170.123
Tritanopia (no blue cones)#6F00110.026
Achromatopsia (no color)#3030300.122

Harmonies

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

Complementary

The opposite hue (180°).

  • #64091A

    #64091A

    oklch(32.5% 0.121 18.7)

  • #003D3F

    #003D3F

    oklch(32.7% 0.056 198.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #64091A

    #64091A

    oklch(32.5% 0.121 18.7)

  • #5D0D3E

    #5D0D3E

    oklch(32.6% 0.122 348.9)

  • #562300

    #562300

    oklch(32.5% 0.087 48.9)

Open the analogous palette in the generator

Split complementary

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

  • #64091A

    #64091A

    oklch(32.5% 0.121 18.7)

  • #003F2E

    #003F2E

    oklch(32.7% 0.066 168.2)

  • #003A4E

    #003A4E

    oklch(32.6% 0.064 228.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #64091A

    #64091A

    oklch(32.5% 0.121 18.7)

  • #133F00

    #133F00

    oklch(32.4% 0.101 138.5)

  • #023070

    #023070

    oklch(32.5% 0.121 258.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #64091A

    #64091A

    oklch(32.5% 0.121 18.7)

  • #373700

    #373700

    oklch(32.6% 0.071 109.8)

  • #003D3F

    #003D3F

    oklch(32.7% 0.056 198.4)

  • #35236D

    #35236D

    oklch(32.5% 0.122 289)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64091A, closest first.

Similar named colors

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

Use #64091A 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.