#C63E4E

Closest named color: Dusty Red (#B9484E). oklch(56.4% 0.172 18), rgb(198, 62, 78).

Aa

White text reads best on this color (4.99:1).

About this color

#C63E4E is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.172 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Red (#B9484E), ΔE 0.028 away. White text reads best on it, at 4.99:1.

Hue familyReds
Lightnessmedium-dark (56%)
Chromavivid (0.172)
Temperaturewarm
Nearest nameDusty Red (#B9484E)
Black text4.20:1
White text4.99:1

Values

HEX#C63E4E
RGBrgb(198, 62, 78)
HSLhsl(353, 54%, 51%)
OKLCHoklch(56.4% 0.172 18)

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 #C63E4E 4.99:1 AA Lc -78.9 Fine for body text
Black text on #C63E4E 4.20:1 AA large text Lc 30.6 Non-text elements, placeholder text
#C63E4E text on white 4.99:1 AA Lc 73.5 Content text, not long reading
#C63E4E text on black 4.20:1 AA large text Lc -28.2 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

    #FCF3F3

    oklch(97.1% 0.01 17.3)

  2. Step 100

    100

    #F9E4E4

    oklch(93.6% 0.023 17.6)

  3. Step 200

    200

    #F4CECE

    oklch(88.4% 0.043 18)

  4. Step 300

    300

    #EEADAE

    oklch(80.9% 0.077 17.9)

  5. Step 400

    400

    #E37F83

    oklch(70.7% 0.123 18.2)

  6. Step 500

    500

    #D85A64

    oklch(63.1% 0.158 18.1)

  7. Step 600

    600 (this color)

    #C63E4E

    oklch(56.4% 0.172 18)

  8. Step 700

    700

    #A82C3D

    oklch(49.1% 0.159 17.9)

  9. Step 800

    800

    #882632

    oklch(42.6% 0.132 18)

  10. Step 900

    900

    #6E252C

    oklch(37.7% 0.104 18)

  11. Step 950

    950

    #41171A

    oklch(27.1% 0.065 18.2)

Export this scale for Tailwind in the Tailwind colors tool

#C63E4E 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)#625D4E0.187
Deuteranopia (no green cones)#847A4A0.174
Tritanopia (no blue cones)#D91C450.045
Achromatopsia (no color)#6F6F6F0.173

Harmonies

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

Complementary

The opposite hue (180°).

  • #C63E4E

    #C63E4E

    oklch(56.4% 0.172 18)

  • #00868A

    #00868A

    oklch(56.3% 0.096 198.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C63E4E

    #C63E4E

    oklch(56.4% 0.172 18)

  • #B94187

    #B94187

    oklch(56.4% 0.171 347.9)

  • #BB5200

    #BB5200

    oklch(56.4% 0.154 47.7)

Open the analogous palette in the generator

Split complementary

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

  • #C63E4E

    #C63E4E

    oklch(56.4% 0.172 18)

  • #008B69

    #008B69

    oklch(56.6% 0.114 168)

  • #0081A8

    #0081A8

    oklch(56.3% 0.11 228.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C63E4E

    #C63E4E

    oklch(56.4% 0.172 18)

  • #398B07

    #398B07

    oklch(56.3% 0.171 138)

  • #2A72D8

    #2A72D8

    oklch(56.4% 0.172 258)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C63E4E

    #C63E4E

    oklch(56.4% 0.172 18)

  • #7D7A00

    #7D7A00

    oklch(56.4% 0.122 108)

  • #00868A

    #00868A

    oklch(56.3% 0.096 198.5)

  • #745FD3

    #745FD3

    oklch(56.5% 0.172 287.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C63E4E, closest first.

Similar named colors

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

Use #C63E4E 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.