#C00456

Closest named color: Ruby (#CA0147). oklch(52% 0.207 6.2), rgb(192, 4, 86).

Aa

White text reads best on this color (6.18:1).

About this color

#C00456 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.207 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.031 away. White text reads best on it, at 6.18:1.

Hue familyReds
Lightnessmedium-dark (52%)
Chromavivid (0.207)
Temperaturewarm
Nearest nameRuby (#CA0147)
Black text3.39:1
White text6.18:1

Values

HEX#C00456
RGBrgb(192, 4, 86)
HSLhsl(334, 96%, 38%)
OKLCHoklch(52% 0.207 6.2)

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 #C00456 6.18:1 AA Lc -83.7 Fine for body text
Black text on #C00456 3.39:1 AA large text Lc 25.7 Dividers and decoration only
#C00456 text on white 6.18:1 AA Lc 78.4 Fine for body text
#C00456 text on black 3.39:1 AA large text Lc -23.4 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 700.

  1. Step 50

    50

    #FEF2F4

    oklch(97.1% 0.013 5.8)

  2. Step 100

    100

    #FCE2E7

    oklch(93.5% 0.029 4.5)

  3. Step 200

    200

    #FBCBD3

    oklch(88.6% 0.055 7)

  4. Step 300

    300

    #F9A5B6

    oklch(80.9% 0.101 6.3)

  5. Step 400

    400

    #F17091

    oklch(70.7% 0.161 6.1)

  6. Step 500

    500

    #E74176

    oklch(63.1% 0.204 6.2)

  7. Step 600

    600

    #D2025F

    oklch(55.5% 0.222 6)

  8. Step 700

    700 (this color)

    #C00456

    oklch(52% 0.207 6.2)

  9. Step 800

    800

    #940040

    oklch(42.8% 0.172 6.4)

  10. Step 900

    900

    #771436

    oklch(37.8% 0.134 6.6)

  11. Step 950

    950

    #460F20

    oklch(27% 0.084 6.2)

Export this scale for Tailwind in the Tailwind colors tool

#C00456 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)#474B570.235
Deuteranopia (no green cones)#746D520.211
Tritanopia (no blue cones)#D200320.062
Achromatopsia (no color)#6161610.209

Harmonies

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

Complementary

The opposite hue (180°).

  • #C00456

    #C00456

    oklch(52% 0.207 6.2)

  • #007971

    #007971

    oklch(51.9% 0.091 186.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C00456

    #C00456

    oklch(52% 0.207 6.2)

  • #AB2194

    #AB2194

    oklch(51.9% 0.207 336.2)

  • #B83200

    #B83200

    oklch(51.9% 0.177 36.2)

Open the analogous palette in the generator

Split complementary

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

  • #C00456

    #C00456

    oklch(52% 0.207 6.2)

  • #007D49

    #007D49

    oklch(51.9% 0.125 156.3)

  • #00768B

    #00768B

    oklch(52.1% 0.092 215.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C00456

    #C00456

    oklch(52% 0.207 6.2)

  • #557500

    #557500

    oklch(51.8% 0.132 126.2)

  • #006DB1

    #006DB1

    oklch(51.9% 0.135 246.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C00456

    #C00456

    oklch(52% 0.207 6.2)

  • #7B6800

    #7B6800

    oklch(52% 0.107 96.5)

  • #007971

    #007971

    oklch(51.9% 0.091 186.8)

  • #5051DC

    #5051DC

    oklch(52% 0.207 276.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C00456, closest first.

Similar named colors

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

Use #C00456 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.