#630F3B

Closest named color: Merlot (#730039). oklch(33.7% 0.123 354.4), rgb(99, 15, 59).

Aa

White text reads best on this color (12.63:1).

About this color

#630F3B is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.123 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.035 away. White text reads best on it, at 12.63:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.123)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.66:1
White text12.63:1

Values

HEX#630F3B
RGBrgb(99, 15, 59)
HSLhsl(329, 74%, 22%)
OKLCHoklch(33.7% 0.123 354.4)

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 #630F3B 12.63:1 AAA Lc -101.0 Preferred for body text
Black text on #630F3B 1.66:1 Fails Lc 0.0 Not readable
#630F3B text on white 12.63:1 AAA Lc 97.4 Preferred for body text
#630F3B text on black 1.66:1 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

    #FDF2F6

    oklch(97.1% 0.013 353.1)

  2. Step 100

    100

    #F9E3EB

    oklch(93.6% 0.026 353.5)

  3. Step 200

    200

    #F6CCDB

    oklch(88.5% 0.051 354.7)

  4. Step 300

    300

    #F1A8C4

    oklch(80.9% 0.092 354.6)

  5. Step 400

    400

    #E676A6

    oklch(70.7% 0.148 354.5)

  6. Step 500

    500

    #DB4D90

    oklch(63.2% 0.188 354.7)

  7. Step 600

    600

    #C6267A

    oklch(55.6% 0.205 354.6)

  8. Step 700

    700

    #AA1567

    oklch(49% 0.19 354.4)

  9. Step 800

    800

    #8A1754

    oklch(42.6% 0.157 354.3)

  10. Step 900

    900 (this color)

    #630F3B

    oklch(33.7% 0.123 354.4)

  11. Step 950

    950

    #421229

    oklch(27% 0.079 354)

Export this scale for Tailwind in the Tailwind colors tool

#630F3B 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)#21293C0.138
Deuteranopia (no green cones)#3839390.124
Tritanopia (no blue cones)#6B04230.043
Achromatopsia (no color)#3333330.124

Harmonies

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

Complementary

The opposite hue (180°).

  • #630F3B

    #630F3B

    oklch(33.7% 0.123 354.4)

  • #004235

    #004235

    oklch(33.8% 0.064 174.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #630F3B

    #630F3B

    oklch(33.7% 0.123 354.4)

  • #54195A

    #54195A

    oklch(33.7% 0.123 323.9)

  • #690E14

    #690E14

    oklch(33.8% 0.123 24.2)

Open the analogous palette in the generator

Split complementary

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

  • #630F3B

    #630F3B

    oklch(33.7% 0.123 354.4)

  • #00440A

    #00440A

    oklch(33.6% 0.107 144.5)

  • #004045

    #004045

    oklch(33.9% 0.058 203.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #630F3B

    #630F3B

    oklch(33.7% 0.123 354.4)

  • #373B00

    #373B00

    oklch(33.7% 0.076 114)

  • #003C56

    #003C56

    oklch(33.6% 0.071 234.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #630F3B

    #630F3B

    oklch(33.7% 0.123 354.4)

  • #483400

    #483400

    oklch(33.9% 0.069 84.8)

  • #004235

    #004235

    oklch(33.8% 0.064 174.2)

  • #163175

    #163175

    oklch(33.8% 0.122 264.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #630F3B, closest first.

Similar named colors

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

Use #630F3B 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.