#C63A66
Closest named color: Dark Pink (#CB416B). oklch(56.6% 0.178 6), rgb(198, 58, 102).
Aa
White text reads best on this color (5.00:1).
About this color
#C63A66 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.178 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Pink (#CB416B), ΔE 0.017 away. White text reads best on it, at 5.00:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Dark Pink (#CB416B) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #C63A66 |
| RGB | rgb(198, 58, 102) |
| HSL | hsl(341, 55%, 50%) |
| OKLCH | oklch(56.6% 0.178 6) |
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 #C63A66 | 5.00:1 | AA | Lc -78.9 | Fine for body text |
| Black text on #C63A66 | 4.19:1 | AA large text | Lc 30.6 | Non-text elements, placeholder text |
| #C63A66 text on white | 5.00:1 | AA | Lc 73.5 | Content text, not long reading |
| #C63A66 text on black | 4.19:1 | 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.
-
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
#F4CED4
oklch(88.5% 0.043 7.3)
-
Step 300
300
#EEABB9
oklch(80.8% 0.08 5.2)
-
Step 400
400
#E37C94
oklch(70.7% 0.129 6)
-
Step 500
500
#D7577A
oklch(63.1% 0.163 6.1)
-
Step 600
600 (this color)
#C63A66
oklch(56.6% 0.178 6)
-
Step 700
700
#A72752
oklch(49% 0.166 5.9)
-
Step 800
800
#882343
oklch(42.7% 0.137 6.2)
-
Step 900
900
#6E2339
oklch(37.8% 0.108 5.9)
-
Step 950
950
#411621
oklch(27.1% 0.068 6.9)
#C63A66 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) | #5A5E67 | 0.200 |
| Deuteranopia (no green cones) | #7F7A63 | 0.183 |
| Tritanopia (no blue cones) | #D7204C | 0.047 |
| Achromatopsia (no color) | #6F6F6F | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C63A66
#C63A66
oklch(56.6% 0.178 6)
- #00897F
#00897F
oklch(56.7% 0.099 185.9)
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 #C63A66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pink #CB416B ΔE 0.017
- Deep Rose #C74767 ΔE 0.023
- Dark Rose #B5485D ΔE 0.041
- Lipstick #D5174E ΔE 0.046
- Dark Hot Pink #D90166 ΔE 0.051
- Dusty Red #B9484E ΔE 0.052
- Cerise #DE0C62 ΔE 0.053
- Ruby #CA0147 ΔE 0.054
Use #C63A66 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.