#C63166
Closest named color: Dark Pink (#CB416B). oklch(55.8% 0.188 4.5), rgb(198, 49, 102).
Aa
White text reads best on this color (5.20:1).
About this color
#C63166 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.188 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Pink (#CB416B), ΔE 0.028 away. White text reads best on it, at 5.20:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.188) |
| Temperature | warm |
| Nearest name | Dark Pink (#CB416B) |
| Black text | 4.03:1 |
| White text | 5.20:1 |
Values
| HEX | #C63166 |
| RGB | rgb(198, 49, 102) |
| HSL | hsl(339, 60%, 48%) |
| OKLCH | oklch(55.8% 0.188 4.5) |
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 #C63166 | 5.20:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #C63166 | 4.03:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #C63166 text on white | 5.20:1 | AA | Lc 74.5 | Content text, not long reading |
| #C63166 text on black | 4.03:1 | AA large text | Lc -27.2 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#F9E3E8
oklch(93.5% 0.025 2.1)
-
Step 200
200
#F6CDD5
oklch(88.6% 0.047 4.9)
-
Step 300
300
#F0AABA
oklch(80.9% 0.084 4.1)
-
Step 400
400
#E57A96
oklch(70.7% 0.135 4.5)
-
Step 500
500
#DA537C
oklch(63.1% 0.172 4.7)
-
Step 600
600 (this color)
#C63166
oklch(55.8% 0.188 4.5)
-
Step 700
700
#AA2154
oklch(49.1% 0.174 4.7)
-
Step 800
800
#8A1F45
oklch(42.7% 0.144 4.6)
-
Step 900
900
#6F213A
oklch(37.7% 0.112 4.6)
-
Step 950
950
#421422
oklch(27% 0.073 4.5)
#C63166 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) | #555A67 | 0.211 |
| Deuteranopia (no green cones) | #7D7762 | 0.190 |
| Tritanopia (no blue cones) | #D70D48 | 0.051 |
| Achromatopsia (no color) | #6D6D6D | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C63166
#C63166
oklch(55.8% 0.188 4.5)
- #00867B
#00867B
oklch(55.7% 0.098 184.8)
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 #C63166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pink #CB416B ΔE 0.028
- Deep Rose #C74767 ΔE 0.036
- Lipstick #D5174E ΔE 0.043
- Dark Hot Pink #D90166 ΔE 0.043
- Ruby #CA0147 ΔE 0.047
- Cerise #DE0C62 ΔE 0.048
- Dark Rose #B5485D ΔE 0.050
- Dusty Red #B9484E ΔE 0.061
Use #C63166 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.