#631829

Closest named color: Claret (#680018). oklch(34% 0.107 11.8), rgb(99, 24, 41).

Aa

White text reads best on this color (12.40:1).

About this color

#631829 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.107 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.031 away. White text reads best on it, at 12.40:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.107)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.69:1
White text12.40:1

Values

HEX#631829
RGBrgb(99, 24, 41)
HSLhsl(346, 61%, 24%)
OKLCHoklch(34% 0.107 11.8)

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 #631829 12.40:1 AAA Lc -100.9 Preferred for body text
Black text on #631829 1.69:1 Fails Lc 0.0 Not readable
#631829 text on white 12.40:1 AAA Lc 97.3 Preferred for body text
#631829 text on black 1.69:1 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

    #FDF3F3

    oklch(97.2% 0.011 17.3)

  2. Step 100

    100

    #F9E4E6

    oklch(93.6% 0.023 11)

  3. Step 200

    200

    #F5CED1

    oklch(88.5% 0.044 12.8)

  4. Step 300

    300

    #EFACB3

    oklch(80.9% 0.079 12)

  5. Step 400

    400

    #E47D8B

    oklch(70.7% 0.128 12.2)

  6. Step 500

    500

    #D9576F

    oklch(63.1% 0.164 11.8)

  7. Step 600

    600

    #C43657

    oklch(55.5% 0.178 11.8)

  8. Step 700

    700

    #A92747

    oklch(49.1% 0.166 12)

  9. Step 800

    800

    #89233B

    oklch(42.6% 0.137 11.6)

  10. Step 900

    900 (this color)

    #631829

    oklch(34% 0.107 11.8)

  11. Step 950

    950

    #41161E

    oklch(27% 0.067 11.3)

Export this scale for Tailwind in the Tailwind colors tool

#631829 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)#2B2B290.119
Deuteranopia (no green cones)#3E3A270.110
Tritanopia (no blue cones)#6D071F0.027
Achromatopsia (no color)#3434340.108

Harmonies

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

Complementary

The opposite hue (180°).

  • #631829

    #631829

    oklch(34% 0.107 11.8)

  • #00413F

    #00413F

    oklch(33.9% 0.058 191.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #631829

    #631829

    oklch(34% 0.107 11.8)

  • #5A1B47

    #5A1B47

    oklch(33.8% 0.107 341.7)

  • #612000

    #612000

    oklch(34% 0.102 42.1)

Open the analogous palette in the generator

Split complementary

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

  • #631829

    #631829

    oklch(34% 0.107 11.8)

  • #00432B

    #00432B

    oklch(33.8% 0.075 161.6)

  • #003F4F

    #003F4F

    oklch(34.1% 0.063 221.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #631829

    #631829

    oklch(34% 0.107 11.8)

  • #254100

    #254100

    oklch(34% 0.094 131.6)

  • #00386A

    #00386A

    oklch(33.9% 0.102 252.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #631829

    #631829

    oklch(34% 0.107 11.8)

  • #403900

    #403900

    oklch(34.1% 0.071 101.7)

  • #00413F

    #00413F

    oklch(33.9% 0.058 191.3)

  • #312D6D

    #312D6D

    oklch(34% 0.108 281.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #631829, closest first.

Similar named colors

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

Use #631829 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.