#C55181
Closest named color: Dark Pink (#CB416B). oklch(59.9% 0.156 357), rgb(197, 81, 129).
Aa
Black text reads best on this color (4.86:1).
About this color
#C55181 is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.156 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Pink (#CB416B), ΔE 0.037 away. Black text reads best on it, at 4.86:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Dark Pink (#CB416B) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #C55181 |
| RGB | rgb(197, 81, 129) |
| HSL | hsl(335, 50%, 55%) |
| OKLCH | oklch(59.9% 0.156 357) |
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 #C55181 | 4.31:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #C55181 | 4.86:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #C55181 text on white | 4.31:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #C55181 text on black | 4.86:1 | AA | Lc -32.5 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F7E4EA
oklch(93.6% 0.022 356.3)
-
Step 200
200
#F2CED9
oklch(88.5% 0.043 357.7)
-
Step 300
300
#EAADC1
oklch(81% 0.076 357.5)
-
Step 400
400
#DC7FA2
oklch(70.7% 0.121 356.6)
-
Step 500
500 (this color)
#C55181
oklch(59.9% 0.156 357)
-
Step 600
600
#BB3D75
oklch(55.6% 0.169 356.8)
-
Step 700
700
#A12E62
oklch(49.1% 0.157 357)
-
Step 800
800
#832850
oklch(42.8% 0.13 357.1)
-
Step 900
900
#6A2642
oklch(37.8% 0.102 357.5)
-
Step 950
950
#3E1727
oklch(27% 0.064 356.6)
#C55181 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) | #646C82 | 0.172 |
| Deuteranopia (no green cones) | #83827E | 0.157 |
| Tritanopia (no blue cones) | #D44864 | 0.048 |
| Achromatopsia (no color) | #7A7A7A | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C55181
#C55181
oklch(59.9% 0.156 357)
- #00957F
#00957F
oklch(59.9% 0.111 177.3)
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 #C55181, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pink #CB416B ΔE 0.037
- Deep Rose #C74767 ΔE 0.037
- Dark Rose #B5485D ΔE 0.061
- Dusky Rose #BA6873 ΔE 0.062
- Indian Red #CD5C5C ΔE 0.068
- Faded Red #D3494E ΔE 0.073
- Light Plum #9D5783 ΔE 0.074
- Dusty Red #B9484E ΔE 0.075
Use #C55181 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.