#630A3A

Closest named color: Merlot (#730039). oklch(33.3% 0.127 354.5), rgb(99, 10, 58).

Aa

White text reads best on this color (12.84:1).

About this color

#630A3A is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.127 and its hue 355°. 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 12.84:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.127)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.63:1
White text12.84:1

Values

HEX#630A3A
RGBrgb(99, 10, 58)
HSLhsl(328, 82%, 21%)
OKLCHoklch(33.3% 0.127 354.5)

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 #630A3A 12.84:1 AAA Lc -101.1 Preferred for body text
Black text on #630A3A 1.63:1 Fails Lc 0.0 Not readable
#630A3A text on white 12.84:1 AAA Lc 97.6 Preferred for body text
#630A3A text on black 1.63:1 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

    #FAE3EB

    oklch(93.7% 0.027 354.5)

  3. Step 200

    200

    #F7CBDB

    oklch(88.5% 0.054 354.4)

  4. Step 300

    300

    #F2A7C4

    oklch(80.9% 0.095 354.6)

  5. Step 400

    400

    #E874A6

    oklch(70.7% 0.153 354.6)

  6. Step 500

    500

    #DD4990

    oklch(63.1% 0.195 354.6)

  7. Step 600

    600

    #C8207A

    oklch(55.6% 0.211 354.7)

  8. Step 700

    700

    #AC0B67

    oklch(49% 0.196 354.5)

  9. Step 800

    800

    #8C1254

    oklch(42.7% 0.163 354.5)

  10. Step 900

    900 (this color)

    #630A3A

    oklch(33.3% 0.127 354.5)

  11. Step 950

    950

    #421129

    oklch(26.9% 0.081 353.6)

Export this scale for Tailwind in the Tailwind colors tool

#630A3A 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)#1F283B0.143
Deuteranopia (no green cones)#3738380.128
Tritanopia (no blue cones)#6C00210.046
Achromatopsia (no color)#3232320.128

Harmonies

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

Complementary

The opposite hue (180°).

  • #630A3A

    #630A3A

    oklch(33.3% 0.127 354.5)

  • #004134

    #004134

    oklch(33.5% 0.064 174)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #630A3A

    #630A3A

    oklch(33.3% 0.127 354.5)

  • #541659

    #541659

    oklch(33.3% 0.126 324.7)

  • #690911

    #690911

    oklch(33.4% 0.127 24.5)

Open the analogous palette in the generator

Split complementary

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

  • #630A3A

    #630A3A

    oklch(33.3% 0.127 354.5)

  • #00430A

    #00430A

    oklch(33.3% 0.106 144.5)

  • #003E44

    #003E44

    oklch(33.2% 0.057 205.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #630A3A

    #630A3A

    oklch(33.3% 0.127 354.5)

  • #363A00

    #363A00

    oklch(33.3% 0.075 114)

  • #003B55

    #003B55

    oklch(33.3% 0.071 235.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #630A3A

    #630A3A

    oklch(33.3% 0.127 354.5)

  • #463300

    #463300

    oklch(33.4% 0.068 85.7)

  • #004134

    #004134

    oklch(33.5% 0.064 174)

  • #142F76

    #142F76

    oklch(33.4% 0.126 264.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #630A3A, closest first.

Similar named colors

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

Use #630A3A 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.