#64030D

Closest named color: Claret (#680018). oklch(31.9% 0.126 24.6), rgb(100, 3, 13).

Aa

White text reads best on this color (13.45:1).

About this color

#64030D is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.126 and its hue 25°. 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 13.45:1.

Hue familyReds
Lightnessdark (32%)
Chromamoderately saturated (0.126)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.56:1
White text13.45:1

Values

HEX#64030D
RGBrgb(100, 3, 13)
HSLhsl(354, 94%, 20%)
OKLCHoklch(31.9% 0.126 24.6)

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 #64030D 13.45:1 AAA Lc -101.6 Preferred for body text
Black text on #64030D 1.56:1 Fails Lc 0.0 Not readable
#64030D text on white 13.45:1 AAA Lc 98.2 Preferred for body text
#64030D text on black 1.56:1 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 950.

  1. Step 50

    50

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FFE2DF

    oklch(93.6% 0.032 24.8)

  3. Step 200

    200

    #FFCAC5

    oklch(88.4% 0.061 24.6)

  4. Step 300

    300

    #FFA59E

    oklch(80.9% 0.108 24.6)

  5. Step 400

    400

    #FF6864

    oklch(70.7% 0.185 24.5)

  6. Step 500

    500

    #FF042F

    oklch(63.1% 0.254 24.5)

  7. Step 600

    600

    #D80025

    oklch(55.6% 0.225 24.6)

  8. Step 700

    700

    #B7001E

    oklch(49.1% 0.199 24.5)

  9. Step 800

    800

    #970017

    oklch(42.6% 0.173 24.5)

  10. Step 900

    900

    #800011

    oklch(37.8% 0.153 24.8)

  11. Step 950

    950 (this color)

    #64030D

    oklch(31.9% 0.126 24.6)

Export this scale for Tailwind in the Tailwind colors tool

#64030D 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)#26220C0.140
Deuteranopia (no green cones)#3D36080.127
Tritanopia (no blue cones)#6F00080.025
Achromatopsia (no color)#2F2F2F0.127

Harmonies

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

Complementary

The opposite hue (180°).

  • #64030D

    #64030D

    oklch(31.9% 0.126 24.6)

  • #003A40

    #003A40

    oklch(31.8% 0.054 206.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #64030D

    #64030D

    oklch(31.9% 0.126 24.6)

  • #5E0436

    #5E0436

    oklch(31.8% 0.126 354.5)

  • #502500

    #502500

    oklch(31.8% 0.079 54.7)

Open the analogous palette in the generator

Split complementary

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

  • #64030D

    #64030D

    oklch(31.9% 0.126 24.6)

  • #003C31

    #003C31

    oklch(31.8% 0.06 175.7)

  • #003750

    #003750

    oklch(31.8% 0.068 235.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #64030D

    #64030D

    oklch(31.9% 0.126 24.6)

  • #003F09

    #003F09

    oklch(31.9% 0.102 144.5)

  • #112B72

    #112B72

    oklch(32% 0.127 264.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #64030D

    #64030D

    oklch(31.9% 0.126 24.6)

  • #323600

    #323600

    oklch(31.8% 0.072 114.3)

  • #003A40

    #003A40

    oklch(31.8% 0.054 206.2)

  • #391E6B

    #391E6B

    oklch(32% 0.126 294.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64030D, closest first.

Similar named colors

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

Use #64030D 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.