#631E2E

Closest named color: Claret (#680018). oklch(34.8% 0.1 10), rgb(99, 30, 46).

Aa

White text reads best on this color (11.96:1).

About this color

#631E2E is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.100 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.042 away. White text reads best on it, at 11.96:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.100)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.75:1
White text11.96:1

Values

HEX#631E2E
RGBrgb(99, 30, 46)
HSLhsl(346, 53%, 25%)
OKLCHoklch(34.8% 0.1 10)

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 #631E2E 11.96:1 AAA Lc -100.3 Preferred for body text
Black text on #631E2E 1.75:1 Fails Lc 0.0 Not readable
#631E2E text on white 11.96:1 AAA Lc 96.6 Preferred for body text
#631E2E text on black 1.75:1 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

    #FCF3F4

    oklch(97.1% 0.01 9.5)

  2. Step 100

    100

    #F8E4E6

    oklch(93.5% 0.022 10.6)

  3. Step 200

    200

    #F3CED3

    oklch(88.4% 0.042 8.8)

  4. Step 300

    300

    #ECADB5

    oklch(80.9% 0.075 10.4)

  5. Step 400

    400

    #E07F8F

    oklch(70.6% 0.121 10.1)

  6. Step 500

    500

    #D45C74

    oklch(63.1% 0.152 10.1)

  7. Step 600

    600

    #BF3D5D

    oklch(55.5% 0.166 9.7)

  8. Step 700

    700

    #A52E4C

    oklch(49.1% 0.155 10.2)

  9. Step 800

    800

    #86283F

    oklch(42.7% 0.128 9.8)

  10. Step 900

    900 (this color)

    #631E2E

    oklch(34.8% 0.1 10)

  11. Step 950

    950

    #40171F

    oklch(27% 0.064 10.3)

Export this scale for Tailwind in the Tailwind colors tool

#631E2E 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)#2E2E2E0.110
Deuteranopia (no green cones)#403C2C0.102
Tritanopia (no blue cones)#6C13240.025
Achromatopsia (no color)#3737370.101

Harmonies

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

Complementary

The opposite hue (180°).

  • #631E2E

    #631E2E

    oklch(34.8% 0.1 10)

  • #004441

    #004441

    oklch(34.9% 0.06 189.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #631E2E

    #631E2E

    oklch(34.8% 0.1 10)

  • #5A214A

    #5A214A

    oklch(34.8% 0.1 339.9)

  • #632308

    #632308

    oklch(34.9% 0.1 40.4)

Open the analogous palette in the generator

Split complementary

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

  • #631E2E

    #631E2E

    oklch(34.8% 0.1 10)

  • #00462B

    #00462B

    oklch(34.8% 0.079 159.7)

  • #004151

    #004151

    oklch(34.7% 0.064 220.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #631E2E

    #631E2E

    oklch(34.8% 0.1 10)

  • #294300

    #294300

    oklch(34.8% 0.094 130.1)

  • #003B6B

    #003B6B

    oklch(34.8% 0.099 250.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #631E2E

    #631E2E

    oklch(34.8% 0.1 10)

  • #433A00

    #433A00

    oklch(34.7% 0.072 99.5)

  • #004441

    #004441

    oklch(34.9% 0.06 189.8)

  • #31316C

    #31316C

    oklch(34.7% 0.1 279.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #631E2E, closest first.

Similar named colors

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

Use #631E2E 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.