#C51B72
Closest named color: Medium Violet Red (#C71585). oklch(54.5% 0.209 356.9), rgb(197, 27, 114).
Aa
White text reads best on this color (5.56:1).
About this color
#C51B72 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.209 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.031 away. White text reads best on it, at 5.56:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.209) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.77:1 |
| White text | 5.56:1 |
Values
| HEX | #C51B72 |
| RGB | rgb(197, 27, 114) |
| HSL | hsl(329, 76%, 44%) |
| OKLCH | oklch(54.5% 0.209 356.9) |
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 #C51B72 | 5.56:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #C51B72 | 3.77:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #C51B72 text on white | 5.56:1 | AA | Lc 75.9 | Fine for body text |
| #C51B72 text on black | 3.77:1 | AA large text | Lc -25.8 | 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
#FAE3EA
oklch(93.6% 0.027 357.2)
-
Step 200
200
#F7CBDA
oklch(88.4% 0.053 355.8)
-
Step 300
300
#F3A7C1
oklch(80.9% 0.095 357.3)
-
Step 400
400
#E875A2
oklch(70.7% 0.15 356.9)
-
Step 500
500
#DE4A8B
oklch(63.2% 0.192 357.1)
-
Step 600
600 (this color)
#C51B72
oklch(54.5% 0.209 356.9)
-
Step 700
700
#AD0D62
oklch(49.1% 0.194 357)
-
Step 800
800
#8D1350
oklch(42.8% 0.161 357.2)
-
Step 900
900
#711B43
oklch(37.7% 0.125 356.6)
-
Step 950
950
#431227
oklch(27.1% 0.079 357.3)
#C51B72 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) | #465474 | 0.238 |
| Deuteranopia (no green cones) | #74736E | 0.211 |
| Tritanopia (no blue cones) | #D60046 | 0.072 |
| Achromatopsia (no color) | #686868 | 0.211 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C51B72
#C51B72
oklch(54.5% 0.209 356.9)
- #00836F
#00836F
oklch(54.5% 0.101 177)
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 #C51B72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.031
- Dark Hot Pink #D90166 ΔE 0.043
- Cerise #DE0C62 ΔE 0.056
- Dark Pink #CB416B ΔE 0.058
- Ruby #CA0147 ΔE 0.062
- Lipstick #D5174E ΔE 0.065
- Deep Rose #C74767 ΔE 0.069
- Raspberry #B00149 ΔE 0.074
Use #C51B72 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.