#631A29

Closest named color: Claret (#680018). oklch(34.2% 0.105 12.6), rgb(99, 26, 41).

Aa

White text reads best on this color (12.27:1).

About this color

#631A29 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.105 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.033 away. White text reads best on it, at 12.27:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.105)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.71:1
White text12.27:1

Values

HEX#631A29
RGBrgb(99, 26, 41)
HSLhsl(348, 58%, 25%)
OKLCHoklch(34.2% 0.105 12.6)

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 #631A29 12.27:1 AAA Lc -100.7 Preferred for body text
Black text on #631A29 1.71:1 Fails Lc 0.0 Not readable
#631A29 text on white 12.27:1 AAA Lc 97.1 Preferred for body text
#631A29 text on black 1.71:1 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

    #FCF3F3

    oklch(97.1% 0.01 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

    #EFACB2

    oklch(80.9% 0.079 13)

  5. Step 400

    400

    #E37E8B

    oklch(70.7% 0.125 12.6)

  6. Step 500

    500

    #D8596E

    oklch(63.2% 0.16 12.8)

  7. Step 600

    600

    #C33956

    oklch(55.6% 0.174 12.8)

  8. Step 700

    700

    #A82A46

    oklch(49.1% 0.162 12.9)

  9. Step 800

    800

    #88253A

    oklch(42.6% 0.133 12.6)

  10. Step 900

    900 (this color)

    #631A29

    oklch(34.2% 0.105 12.6)

  11. Step 950

    950

    #41161D

    oklch(27% 0.067 12.8)

Export this scale for Tailwind in the Tailwind colors tool

#631A29 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)#2C2B290.116
Deuteranopia (no green cones)#3F3A270.105
Tritanopia (no blue cones)#6D0A200.027
Achromatopsia (no color)#3535350.105

Harmonies

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

Complementary

The opposite hue (180°).

  • #631A29

    #631A29

    oklch(34.2% 0.105 12.6)

  • #004241

    #004241

    oklch(34.3% 0.059 193.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #631A29

    #631A29

    oklch(34.2% 0.105 12.6)

  • #5B1D47

    #5B1D47

    oklch(34.3% 0.105 342.6)

  • #612100

    #612100

    oklch(34.1% 0.101 42.9)

Open the analogous palette in the generator

Split complementary

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

  • #631A29

    #631A29

    oklch(34.2% 0.105 12.6)

  • #00442D

    #00442D

    oklch(34.2% 0.074 162.9)

  • #003F50

    #003F50

    oklch(34.1% 0.063 222.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #631A29

    #631A29

    oklch(34.2% 0.105 12.6)

  • #244200

    #244200

    oklch(34.2% 0.096 132.4)

  • #00386C

    #00386C

    oklch(34.1% 0.105 252.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #631A29

    #631A29

    oklch(34.2% 0.105 12.6)

  • #403900

    #403900

    oklch(34.1% 0.071 101.7)

  • #004241

    #004241

    oklch(34.3% 0.059 193.1)

  • #322E6C

    #322E6C

    oklch(34.2% 0.104 282.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #631A29, closest first.

Similar named colors

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

Use #631A29 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.