#63193B

Closest named color: Merlot (#730039). oklch(34.7% 0.111 356.4), rgb(99, 25, 59).

Aa

White text reads best on this color (12.11:1).

About this color

#63193B is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.111 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.038 away. White text reads best on it, at 12.11:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.111)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.73:1
White text12.11:1

Values

HEX#63193B
RGBrgb(99, 25, 59)
HSLhsl(332, 60%, 24%)
OKLCHoklch(34.7% 0.111 356.4)

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 #63193B 12.11:1 AAA Lc -100.5 Preferred for body text
Black text on #63193B 1.73:1 Fails Lc 0.0 Not readable
#63193B text on white 12.11:1 AAA Lc 96.8 Preferred for body text
#63193B text on black 1.73:1 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

    #FCF2F5

    oklch(97% 0.011 357)

  2. Step 100

    100

    #F8E4EA

    oklch(93.7% 0.023 357.4)

  3. Step 200

    200

    #F4CDDA

    oklch(88.5% 0.047 356.1)

  4. Step 300

    300

    #EDABC2

    oklch(81% 0.082 356.4)

  5. Step 400

    400

    #E17BA3

    oklch(70.7% 0.133 356.2)

  6. Step 500

    500

    #D5558C

    oklch(63.1% 0.17 356.3)

  7. Step 600

    600

    #C03476

    oklch(55.5% 0.185 356.3)

  8. Step 700

    700

    #A62563

    oklch(49.2% 0.172 356.6)

  9. Step 800

    800

    #862151

    oklch(42.6% 0.142 356.1)

  10. Step 900

    900 (this color)

    #63193B

    oklch(34.7% 0.111 356.4)

  11. Step 950

    950

    #401527

    oklch(27% 0.071 356.8)

Export this scale for Tailwind in the Tailwind colors tool

#63193B 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)#272D3C0.124
Deuteranopia (no green cones)#3B3B390.112
Tritanopia (no blue cones)#6B11270.036
Achromatopsia (no color)#3636360.112

Harmonies

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

Complementary

The opposite hue (180°).

  • #63193B

    #63193B

    oklch(34.7% 0.111 356.4)

  • #004439

    #004439

    oklch(34.6% 0.064 177.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #63193B

    #63193B

    oklch(34.7% 0.111 356.4)

  • #562057

    #562057

    oklch(34.7% 0.11 326.9)

  • #671A18

    #671A18

    oklch(34.6% 0.11 26.3)

Open the analogous palette in the generator

Split complementary

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

  • #63193B

    #63193B

    oklch(34.7% 0.111 356.4)

  • #004713

    #004713

    oklch(34.6% 0.105 146.4)

  • #004249

    #004249

    oklch(34.6% 0.059 206.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #63193B

    #63193B

    oklch(34.7% 0.111 356.4)

  • #383E00

    #383E00

    oklch(34.6% 0.079 115.7)

  • #003F5B

    #003F5B

    oklch(34.8% 0.074 235.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #63193B

    #63193B

    oklch(34.7% 0.111 356.4)

  • #4A3600

    #4A3600

    oklch(34.6% 0.071 85.5)

  • #004439

    #004439

    oklch(34.6% 0.064 177.4)

  • #1F3472

    #1F3472

    oklch(34.6% 0.11 266.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63193B, closest first.

Similar named colors

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

Use #63193B 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.