#C63C63
Closest named color: Dark Pink (#CB416B). oklch(56.7% 0.175 7.8), rgb(198, 60, 99).
Aa
White text reads best on this color (4.96:1).
About this color
#C63C63 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.175 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Pink (#CB416B), ΔE 0.016 away. White text reads best on it, at 4.96:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Dark Pink (#CB416B) |
| Black text | 4.22:1 |
| White text | 4.96:1 |
Values
| HEX | #C63C63 |
| RGB | rgb(198, 60, 99) |
| HSL | hsl(343, 55%, 51%) |
| OKLCH | oklch(56.7% 0.175 7.8) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #C63C63 | 4.96:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #C63C63 | 4.22:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #C63C63 text on white | 4.96:1 | AA | Lc 73.3 | Content text, not long reading |
| #C63C63 text on black | 4.22:1 | AA large text | Lc -28.4 | 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 600.
-
Step 50
50
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F8E4E7
oklch(93.6% 0.022 7.2)
-
Step 200
200
#F4CED4
oklch(88.5% 0.043 7.3)
-
Step 300
300
#EEACB7
oklch(80.9% 0.079 7.9)
-
Step 400
400
#E27D92
oklch(70.6% 0.126 7.5)
-
Step 500
500
#D75877
oklch(63.1% 0.161 7.9)
-
Step 600
600 (this color)
#C63C63
oklch(56.7% 0.175 7.8)
-
Step 700
700
#A7294F
oklch(49.1% 0.163 7.9)
-
Step 800
800
#882441
oklch(42.7% 0.136 7.8)
-
Step 900
900
#6D2437
oklch(37.7% 0.105 7.7)
-
Step 950
950
#401620
oklch(26.9% 0.066 7.9)
#C63C63 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5C5E64 | 0.196 |
| Deuteranopia (no green cones) | #817A60 | 0.178 |
| Tritanopia (no blue cones) | #D8224C | 0.046 |
| Achromatopsia (no color) | #707070 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C63C63
#C63C63
oklch(56.7% 0.175 7.8)
- #008981
#008981
oklch(56.8% 0.099 187.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C63C63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pink #CB416B ΔE 0.016
- Deep Rose #C74767 ΔE 0.019
- Dark Rose #B5485D ΔE 0.038
- Lipstick #D5174E ΔE 0.045
- Dusty Red #B9484E ΔE 0.047
- Faded Red #D3494E ΔE 0.053
- Ruby #CA0147 ΔE 0.054
- Dark Hot Pink #D90166 ΔE 0.055
Use #C63C63 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.