#C00C63

Closest named color: Ruby (#CA0147). oklch(52.6% 0.208 1.2), rgb(192, 12, 99).

Aa

White text reads best on this color (6.04:1).

About this color

#C00C63 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.208 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.047 away. White text reads best on it, at 6.04:1.

Hue familyReds
Lightnessmedium-dark (53%)
Chromavivid (0.208)
Temperaturewarm
Nearest nameRuby (#CA0147)
Black text3.47:1
White text6.04:1

Values

HEX#C00C63
RGBrgb(192, 12, 99)
HSLhsl(331, 88%, 40%)
OKLCHoklch(52.6% 0.208 1.2)

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 #C00C63 6.04:1 AA Lc -83.3 Fine for body text
Black text on #C00C63 3.47:1 AA large text Lc 26.1 Dividers and decoration only
#C00C63 text on white 6.04:1 AA Lc 78.0 Fine for body text
#C00C63 text on black 3.47:1 AA large text Lc -23.8 Dividers and decoration only

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 600.

  1. Step 50

    50

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FBE3E9

    oklch(93.7% 0.027 0.7)

  3. Step 200

    200

    #F8CCD7

    oklch(88.6% 0.052 1.5)

  4. Step 300

    300

    #F4A7BD

    oklch(80.9% 0.094 0.8)

  5. Step 400

    400

    #EA759B

    oklch(70.7% 0.149 1.1)

  6. Step 500

    500

    #E04A82

    oklch(63.2% 0.191 1.4)

  7. Step 600

    600 (this color)

    #C00C63

    oklch(52.6% 0.208 1.2)

  8. Step 700

    700

    #AF0C5A

    oklch(49.1% 0.193 1.1)

  9. Step 800

    800

    #8E1349

    oklch(42.7% 0.159 1.5)

  10. Step 900

    900

    #721A3D

    oklch(37.6% 0.125 1.3)

  11. Step 950

    950

    #431224

    oklch(27% 0.078 1.1)

Export this scale for Tailwind in the Tailwind colors tool

#C00C63 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)#444E650.237
Deuteranopia (no green cones)#726E5F0.211
Tritanopia (no blue cones)#D1003A0.069
Achromatopsia (no color)#6363630.209

Harmonies

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

Complementary

The opposite hue (180°).

  • #C00C63

    #C00C63

    oklch(52.6% 0.208 1.2)

  • #007C6E

    #007C6E

    oklch(52.6% 0.095 181.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C00C63

    #C00C63

    oklch(52.6% 0.208 1.2)

  • #A827A0

    #A827A0

    oklch(52.5% 0.208 330.9)

  • #C51B00

    #C51B00

    oklch(52.6% 0.204 31.2)

Open the analogous palette in the generator

Split complementary

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

  • #C00C63

    #C00C63

    oklch(52.6% 0.208 1.2)

  • #00803D

    #00803D

    oklch(52.5% 0.141 151.2)

  • #007888

    #007888

    oklch(52.5% 0.091 210.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C00C63

    #C00C63

    oklch(52.6% 0.208 1.2)

  • #607500

    #607500

    oklch(52.6% 0.127 121.3)

  • #0071AA

    #0071AA

    oklch(52.5% 0.123 241.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C00C63

    #C00C63

    oklch(52.6% 0.208 1.2)

  • #826700

    #826700

    oklch(52.6% 0.107 90.6)

  • #007C6E

    #007C6E

    oklch(52.6% 0.095 181.4)

  • #4357E0

    #4357E0

    oklch(52.6% 0.208 271)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C00C63, closest first.

Similar named colors

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

Use #C00C63 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.