#631619

Closest named color: Claret (#680018). oklch(33.4% 0.109 23.5), rgb(99, 22, 25).

Aa

White text reads best on this color (12.65:1).

About this color

#631619 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.109 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.025 away. White text reads best on it, at 12.65:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.109)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.65:1
White text12.65:1

Values

HEX#631619
RGBrgb(99, 22, 25)
HSLhsl(358, 64%, 24%)
OKLCHoklch(33.4% 0.109 23.5)

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 #631619 12.65:1 AAA Lc -101.1 Preferred for body text
Black text on #631619 1.65:1 Fails Lc 0.0 Not readable
#631619 text on white 12.65:1 AAA Lc 97.6 Preferred for body text
#631619 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

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #FAE4E2

    oklch(93.6% 0.024 23.9)

  3. Step 200

    200

    #F6CECB

    oklch(88.5% 0.046 23.1)

  4. Step 300

    300

    #F1ACA7

    oklch(80.8% 0.082 23.7)

  5. Step 400

    400

    #E77D79

    oklch(70.7% 0.132 23.2)

  6. Step 500

    500

    #DC5756

    oklch(63% 0.167 23.6)

  7. Step 600

    600

    #C8363C

    oklch(55.6% 0.182 23.4)

  8. Step 700

    700

    #AC262E

    oklch(49% 0.17 23.4)

  9. Step 800

    800

    #8C2327

    oklch(42.8% 0.14 23.5)

  10. Step 900

    900 (this color)

    #631619

    oklch(33.4% 0.109 23.5)

  11. Step 950

    950

    #421615

    oklch(27% 0.069 24.1)

Export this scale for Tailwind in the Tailwind colors tool

#631619 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)#2C28180.119
Deuteranopia (no green cones)#4039160.109
Tritanopia (no blue cones)#6D00180.028
Achromatopsia (no color)#3333330.110

Harmonies

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

Complementary

The opposite hue (180°).

  • #631619

    #631619

    oklch(33.4% 0.109 23.5)

  • #003F44

    #003F44

    oklch(33.5% 0.057 203.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #631619

    #631619

    oklch(33.4% 0.109 23.5)

  • #5E163B

    #5E163B

    oklch(33.4% 0.11 353.3)

  • #572800

    #572800

    oklch(33.6% 0.084 53.8)

Open the analogous palette in the generator

Split complementary

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

  • #631619

    #631619

    oklch(33.4% 0.109 23.5)

  • #004133

    #004133

    oklch(33.4% 0.064 172.6)

  • #003C54

    #003C54

    oklch(33.5% 0.069 232.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #631619

    #631619

    oklch(33.4% 0.109 23.5)

  • #014306

    #014306

    oklch(33.2% 0.108 143.5)

  • #17326E

    #17326E

    oklch(33.4% 0.11 263.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #631619

    #631619

    oklch(33.4% 0.109 23.5)

  • #373A00

    #373A00

    oklch(33.4% 0.075 113)

  • #003F44

    #003F44

    oklch(33.5% 0.057 203.7)

  • #3B2768

    #3B2768

    oklch(33.4% 0.109 293.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #631619, closest first.

Similar named colors

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

Use #631619 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.