#C0166B
Closest named color: Medium Violet Red (#C71585). oklch(53.2% 0.206 358.3), rgb(192, 22, 107).
Aa
White text reads best on this color (5.88:1).
About this color
#C0166B is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.206 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.042 away. White text reads best on it, at 5.88:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.206) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.56:1 |
| White text | 5.88:1 |
Values
| HEX | #C0166B |
| RGB | rgb(192, 22, 107) |
| HSL | hsl(330, 79%, 42%) |
| OKLCH | oklch(53.2% 0.206 358.3) |
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 #C0166B | 5.88:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #C0166B | 3.56:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #C0166B text on white | 5.88:1 | AA | Lc 77.5 | Fine for body text |
| #C0166B text on black | 3.56:1 | AA large text | Lc -24.3 | 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
#FAE3E9
oklch(93.6% 0.026 359.9)
-
Step 200
200
#F7CCD9
oklch(88.6% 0.051 358.1)
-
Step 300
300
#F2A8C0
oklch(80.9% 0.092 358.3)
-
Step 400
400
#E875A0
oklch(70.6% 0.149 357.9)
-
Step 500
500
#DE4B88
oklch(63.2% 0.19 358.5)
-
Step 600
600 (this color)
#C0166B
oklch(53.2% 0.206 358.3)
-
Step 700
700
#AD1160
oklch(49.1% 0.191 358.2)
-
Step 800
800
#8C154E
oklch(42.6% 0.158 358.2)
-
Step 900
900
#711B41
oklch(37.7% 0.124 358.1)
-
Step 950
950
#431226
oklch(27.1% 0.079 358.5)
#C0166B 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) | #44516D | 0.235 |
| Deuteranopia (no green cones) | #726F67 | 0.207 |
| Tritanopia (no blue cones) | #D10041 | 0.070 |
| Achromatopsia (no color) | #646464 | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C0166B
#C0166B
oklch(53.2% 0.206 358.3)
- #007E6D
#007E6D
oklch(53.1% 0.097 178.9)
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 #C0166B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.042
- Dark Hot Pink #D90166 ΔE 0.051
- Ruby #CA0147 ΔE 0.056
- Raspberry #B00149 ΔE 0.059
- Cerise #DE0C62 ΔE 0.063
- Dark Pink #CB416B ΔE 0.064
- Lipstick #D5174E ΔE 0.065
- Rose Red #BE013C ΔE 0.066
Use #C0166B 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.