#631E2A

Closest named color: Claret (#680018). oklch(34.7% 0.099 13.7), rgb(99, 30, 42).

Aa

White text reads best on this color (12.00:1).

About this color

#631E2A is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.099 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.039 away. White text reads best on it, at 12.00:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.099)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.74:1
White text12.00:1

Values

HEX#631E2A
RGBrgb(99, 30, 42)
HSLhsl(350, 53%, 25%)
OKLCHoklch(34.7% 0.099 13.7)

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 #631E2A 12.00:1 AAA Lc -100.4 Preferred for body text
Black text on #631E2A 1.74:1 Fails Lc 0.0 Not readable
#631E2A text on white 12.00:1 AAA Lc 96.7 Preferred for body text
#631E2A text on black 1.74:1 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

    #F8E4E5

    oklch(93.5% 0.022 14.1)

  3. Step 200

    200

    #F3CFD1

    oklch(88.6% 0.041 14.2)

  4. Step 300

    300

    #EDADB2

    oklch(80.9% 0.075 13.7)

  5. Step 400

    400

    #E0808A

    oklch(70.7% 0.119 13.9)

  6. Step 500

    500

    #D55C6E

    oklch(63.1% 0.153 13.4)

  7. Step 600

    600

    #C03E56

    oklch(55.6% 0.166 13.6)

  8. Step 700

    700

    #A52F46

    oklch(49.1% 0.153 13.7)

  9. Step 800

    800

    #86283A

    oklch(42.6% 0.128 13.2)

  10. Step 900

    900 (this color)

    #631E2A

    oklch(34.7% 0.099 13.7)

  11. Step 950

    950

    #40171D

    oklch(27% 0.064 13.4)

Export this scale for Tailwind in the Tailwind colors tool

#631E2A 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)#2F2E2A0.109
Deuteranopia (no green cones)#403C280.102
Tritanopia (no blue cones)#6D11230.026
Achromatopsia (no color)#3636360.100

Harmonies

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

Complementary

The opposite hue (180°).

  • #631E2A

    #631E2A

    oklch(34.7% 0.099 13.7)

  • #004343

    #004343

    oklch(34.7% 0.059 194.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #631E2A

    #631E2A

    oklch(34.7% 0.099 13.7)

  • #5B2047

    #5B2047

    oklch(34.7% 0.1 343.1)

  • #622402

    #622402

    oklch(34.8% 0.099 44)

Open the analogous palette in the generator

Split complementary

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

  • #631E2A

    #631E2A

    oklch(34.7% 0.099 13.7)

  • #00452F

    #00452F

    oklch(34.6% 0.074 164.2)

  • #004153

    #004153

    oklch(34.9% 0.065 223.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #631E2A

    #631E2A

    oklch(34.7% 0.099 13.7)

  • #234400

    #234400

    oklch(34.7% 0.099 133.5)

  • #0A3A6C

    #0A3A6C

    oklch(34.8% 0.1 253.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #631E2A

    #631E2A

    oklch(34.7% 0.099 13.7)

  • #413B00

    #413B00

    oklch(34.8% 0.073 103.1)

  • #004343

    #004343

    oklch(34.7% 0.059 194.8)

  • #35306B

    #35306B

    oklch(34.8% 0.099 283.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #631E2A, closest first.

Similar named colors

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

Use #631E2A 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.