#C63A5B

Closest named color: Deep Rose (#C74767). oklch(56.3% 0.176 11.1), rgb(198, 58, 91).

Aa

White text reads best on this color (5.05:1).

About this color

#C63A5B is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.176 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Rose (#C74767), ΔE 0.024 away. White text reads best on it, at 5.05:1.

Hue familyReds
Lightnessmedium-dark (56%)
Chromavivid (0.176)
Temperaturewarm
Nearest nameDeep Rose (#C74767)
Black text4.15:1
White text5.05:1

Values

HEX#C63A5B
RGBrgb(198, 58, 91)
HSLhsl(346, 55%, 50%)
OKLCHoklch(56.3% 0.176 11.1)

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 #C63A5B 5.05:1 AA Lc -79.2 Fine for body text
Black text on #C63A5B 4.15:1 AA large text Lc 30.3 Non-text elements, placeholder text
#C63A5B text on white 5.05:1 AA Lc 73.8 Content text, not long reading
#C63A5B text on black 4.15:1 AA large text Lc -27.9 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

    #FCF3F4

    oklch(97.1% 0.01 9.5)

  2. Step 100

    100

    #F9E4E6

    oklch(93.6% 0.023 11)

  3. Step 200

    200

    #F5CED2

    oklch(88.6% 0.044 11)

  4. Step 300

    300

    #EFACB4

    oklch(81% 0.079 11.1)

  5. Step 400

    400

    #E37D8D

    oklch(70.6% 0.127 10.8)

  6. Step 500

    500

    #D85871

    oklch(63.1% 0.162 11)

  7. Step 600

    600 (this color)

    #C63A5B

    oklch(56.3% 0.176 11.1)

  8. Step 700

    700

    #A82849

    oklch(49% 0.164 11)

  9. Step 800

    800

    #89243C

    oklch(42.8% 0.136 11.2)

  10. Step 900

    900

    #6E2433

    oklch(37.7% 0.105 11.5)

  11. Step 950

    950

    #41161E

    oklch(27% 0.067 11.3)

Export this scale for Tailwind in the Tailwind colors tool

#C63A5B 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)#5D5D5C0.196
Deuteranopia (no green cones)#8179580.179
Tritanopia (no blue cones)#D81A470.044
Achromatopsia (no color)#6F6F6F0.178

Harmonies

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

Complementary

The opposite hue (180°).

  • #C63A5B

    #C63A5B

    oklch(56.3% 0.176 11.1)

  • #008783

    #008783

    oklch(56.3% 0.097 191.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C63A5B

    #C63A5B

    oklch(56.3% 0.176 11.1)

  • #B64193

    #B64193

    oklch(56.4% 0.176 341.5)

  • #C44600

    #C44600

    oklch(56.2% 0.173 41)

Open the analogous palette in the generator

Split complementary

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

  • #C63A5B

    #C63A5B

    oklch(56.3% 0.176 11.1)

  • #008B5D

    #008B5D

    oklch(56.2% 0.125 161.3)

  • #0082A0

    #0082A0

    oklch(56.2% 0.103 221.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C63A5B

    #C63A5B

    oklch(56.3% 0.176 11.1)

  • #538600

    #538600

    oklch(56.2% 0.154 131.1)

  • #0077D1

    #0077D1

    oklch(56.3% 0.164 251)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C63A5B

    #C63A5B

    oklch(56.3% 0.176 11.1)

  • #857600

    #857600

    oklch(56.2% 0.117 100.5)

  • #008783

    #008783

    oklch(56.3% 0.097 191.1)

  • #6762D8

    #6762D8

    oklch(56.3% 0.175 281.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C63A5B, closest first.

Similar named colors

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

Use #C63A5B 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.