#C00566
Closest named color: Medium Violet Red (#C71585). oklch(52.5% 0.211 359.7), rgb(192, 5, 102).
Aa
White text reads best on this color (6.07:1).
About this color
#C00566 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.211 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.048 away. White text reads best on it, at 6.07:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.211) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.45:1 |
| White text | 6.07:1 |
Values
| HEX | #C00566 |
| RGB | rgb(192, 5, 102) |
| HSL | hsl(329, 95%, 39%) |
| OKLCH | oklch(52.5% 0.211 359.7) |
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 #C00566 | 6.07:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #C00566 | 3.45:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #C00566 text on white | 6.07:1 | AA | Lc 78.0 | Fine for body text |
| #C00566 text on black | 3.45:1 | AA large text | Lc -23.8 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FBE3E9
oklch(93.7% 0.027 0.7)
-
Step 200
200
#F8CBD8
oklch(88.5% 0.053 359)
-
Step 300
300
#F4A7BE
oklch(80.9% 0.095 360)
-
Step 400
400
#EA749D
oklch(70.7% 0.151 359.7)
-
Step 500
500
#E04885
oklch(63.1% 0.194 359.8)
-
Step 600
600 (this color)
#C00566
oklch(52.5% 0.211 359.7)
-
Step 700
700
#AF075D
oklch(49.1% 0.196 359.6)
-
Step 800
800
#8E104C
oklch(42.6% 0.162 359.5)
-
Step 900
900
#72193F
oklch(37.6% 0.127 359.5)
-
Step 950
950
#431125
oklch(26.9% 0.08 359.3)
#C00566 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) | #424D68 | 0.241 |
| Deuteranopia (no green cones) | #716E62 | 0.214 |
| Tritanopia (no blue cones) | #D1003B | 0.073 |
| Achromatopsia (no color) | #626262 | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C00566
#C00566
oklch(52.5% 0.211 359.7)
- #007C6C
#007C6C
oklch(52.5% 0.096 179.6)
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 #C00566, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.048
- Dark Hot Pink #D90166 ΔE 0.052
- Ruby #CA0147 ΔE 0.052
- Raspberry #B00149 ΔE 0.053
- Rose Red #BE013C ΔE 0.061
- Violet Red #A50055 ΔE 0.061
- Lipstick #D5174E ΔE 0.064
- Cerise #DE0C62 ΔE 0.065
Use #C00566 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.