#C63766
Closest named color: Dark Pink (#CB416B). oklch(56.3% 0.182 5.5), rgb(198, 55, 102).
Aa
White text reads best on this color (5.07:1).
About this color
#C63766 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.182 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Pink (#CB416B), ΔE 0.020 away. White text reads best on it, at 5.07:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.182) |
| Temperature | warm |
| Nearest name | Dark Pink (#CB416B) |
| Black text | 4.13:1 |
| White text | 5.07:1 |
Values
| HEX | #C63766 |
| RGB | rgb(198, 55, 102) |
| HSL | hsl(340, 57%, 50%) |
| OKLCH | oklch(56.3% 0.182 5.5) |
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 #C63766 | 5.07:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #C63766 | 4.13:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #C63766 text on white | 5.07:1 | AA | Lc 73.8 | Content text, not long reading |
| #C63766 text on black | 4.13:1 | 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.
-
Step 50
50
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F9E4E7
oklch(93.7% 0.023 7.7)
-
Step 200
200
#F5CDD5
oklch(88.5% 0.046 4.6)
-
Step 300
300
#EFABB9
oklch(80.9% 0.082 5.5)
-
Step 400
400
#E47C95
oklch(70.8% 0.131 5.6)
-
Step 500
500
#D8557B
oklch(63% 0.167 5.3)
-
Step 600
600 (this color)
#C63766
oklch(56.3% 0.182 5.5)
-
Step 700
700
#A82553
oklch(49% 0.169 5.3)
-
Step 800
800
#892244
oklch(42.8% 0.14 5.6)
-
Step 900
900
#6E2239
oklch(37.6% 0.109 5.5)
-
Step 950
950
#411522
oklch(27% 0.07 4.6)
#C63766 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) | #595C67 | 0.203 |
| Deuteranopia (no green cones) | #7E7963 | 0.186 |
| Tritanopia (no blue cones) | #D71B4B | 0.048 |
| Achromatopsia (no color) | #6E6E6E | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C63766
#C63766
oklch(56.3% 0.182 5.5)
- #00887D
#00887D
oklch(56.4% 0.099 184.9)
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 #C63766, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pink #CB416B ΔE 0.020
- Deep Rose #C74767 ΔE 0.027
- Dark Rose #B5485D ΔE 0.044
- Lipstick #D5174E ΔE 0.044
- Dark Hot Pink #D90166 ΔE 0.048
- Cerise #DE0C62 ΔE 0.051
- Ruby #CA0147 ΔE 0.051
- Dusty Red #B9484E ΔE 0.055
Use #C63766 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.