#630B1E

Closest named color: Claret (#680018). oklch(32.5% 0.119 16.3), rgb(99, 11, 30).

Aa

White text reads best on this color (13.14:1).

About this color

#630B1E is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.119 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.014 away. White text reads best on it, at 13.14:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.119)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.59:1
White text13.14:1

Values

HEX#630B1E
RGBrgb(99, 11, 30)
HSLhsl(347, 80%, 22%)
OKLCHoklch(32.5% 0.119 16.3)

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 #630B1E 13.14:1 AAA Lc -101.5 Preferred for body text
Black text on #630B1E 1.59:1 Fails Lc 0.0 Not readable
#630B1E text on white 13.14:1 AAA Lc 98.1 Preferred for body text
#630B1E text on black 1.59:1 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

    #FDF2F3

    oklch(97% 0.012 11)

  2. Step 100

    100

    #FBE3E4

    oklch(93.6% 0.026 14.7)

  3. Step 200

    200

    #F8CDCE

    oklch(88.6% 0.049 16.5)

  4. Step 300

    300

    #F5A9AD

    oklch(80.9% 0.09 15.8)

  5. Step 400

    400

    #EC7881

    oklch(70.8% 0.143 16.6)

  6. Step 500

    500

    #E24E62

    oklch(63.1% 0.183 16.3)

  7. Step 600

    600

    #CD2849

    oklch(55.6% 0.198 16.4)

  8. Step 700

    700

    #B1163B

    oklch(49.1% 0.185 16)

  9. Step 800

    800

    #901831

    oklch(42.8% 0.153 16)

  10. Step 900

    900 (this color)

    #630B1E

    oklch(32.5% 0.119 16.3)

  11. Step 950

    950

    #441319

    oklch(27% 0.075 16.6)

Export this scale for Tailwind in the Tailwind colors tool

#630B1E 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)#27251E0.132
Deuteranopia (no green cones)#3C371B0.122
Tritanopia (no blue cones)#6D00140.024
Achromatopsia (no color)#3030300.120

Harmonies

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

Complementary

The opposite hue (180°).

  • #630B1E

    #630B1E

    oklch(32.5% 0.119 16.3)

  • #003D3E

    #003D3E

    oklch(32.6% 0.056 196.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #630B1E

    #630B1E

    oklch(32.5% 0.119 16.3)

  • #5B1040

    #5B1040

    oklch(32.5% 0.118 346.6)

  • #582100

    #582100

    oklch(32.5% 0.091 46.1)

Open the analogous palette in the generator

Split complementary

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

  • #630B1E

    #630B1E

    oklch(32.5% 0.119 16.3)

  • #003F2C

    #003F2C

    oklch(32.6% 0.068 165.8)

  • #003A4C

    #003A4C

    oklch(32.5% 0.062 225.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #630B1E

    #630B1E

    oklch(32.5% 0.119 16.3)

  • #193E00

    #193E00

    oklch(32.4% 0.097 136.3)

  • #00326C

    #00326C

    oklch(32.6% 0.113 256.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #630B1E

    #630B1E

    oklch(32.5% 0.119 16.3)

  • #393600

    #393600

    oklch(32.5% 0.069 106.2)

  • #003D3E

    #003D3E

    oklch(32.6% 0.056 196.6)

  • #32256D

    #32256D

    oklch(32.6% 0.119 286)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #630B1E, closest first.

Similar named colors

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

Use #630B1E 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.