#C51C6E
Closest named color: Medium Violet Red (#C71585). oklch(54.4% 0.207 358.6), rgb(197, 28, 110).
Aa
White text reads best on this color (5.57:1).
About this color
#C51C6E is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.207 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.038 away. White text reads best on it, at 5.57:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.207) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.76:1 |
| White text | 5.57:1 |
Values
| HEX | #C51C6E |
| RGB | rgb(197, 28, 110) |
| HSL | hsl(331, 75%, 44%) |
| OKLCH | oklch(54.4% 0.207 358.6) |
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 #C51C6E | 5.57:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #C51C6E | 3.76:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #C51C6E text on white | 5.57:1 | AA | Lc 76.0 | Fine for body text |
| #C51C6E text on black | 3.76:1 | AA large text | Lc -25.7 | 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
#F7CCD8
oklch(88.6% 0.051 359.6)
-
Step 300
300
#F3A8C0
oklch(81% 0.093 358.6)
-
Step 400
400
#E9759F
oklch(70.7% 0.15 358.7)
-
Step 500
500
#DE4B88
oklch(63.2% 0.19 358.5)
-
Step 600
600 (this color)
#C51C6E
oklch(54.4% 0.207 358.6)
-
Step 700
700
#AD0F5F
oklch(49% 0.192 358.5)
-
Step 800
800
#8D144E
oklch(42.7% 0.16 358.4)
-
Step 900
900
#711B40
oklch(37.6% 0.124 358.9)
-
Step 950
950
#431226
oklch(27.1% 0.079 358.5)
#C51C6E 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) | #485470 | 0.235 |
| Deuteranopia (no green cones) | #76736A | 0.208 |
| Tritanopia (no blue cones) | #D60044 | 0.068 |
| Achromatopsia (no color) | #686868 | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C51C6E
#C51C6E
oklch(54.4% 0.207 358.6)
- #008271
#008271
oklch(54.3% 0.099 179.3)
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 #C51C6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.038
- Dark Hot Pink #D90166 ΔE 0.041
- Cerise #DE0C62 ΔE 0.053
- Dark Pink #CB416B ΔE 0.055
- Ruby #CA0147 ΔE 0.056
- Lipstick #D5174E ΔE 0.059
- Deep Rose #C74767 ΔE 0.065
- Raspberry #B00149 ΔE 0.069
Use #C51C6E 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.