#C51B74
Closest named color: Medium Violet Red (#C71585). oklch(54.6% 0.21 356.1), rgb(197, 27, 116).
Aa
White text reads best on this color (5.55:1).
About this color
#C51B74 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.210 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.028 away. White text reads best on it, at 5.55:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.210) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.78:1 |
| White text | 5.55:1 |
Values
| HEX | #C51B74 |
| RGB | rgb(197, 27, 116) |
| HSL | hsl(329, 76%, 44%) |
| OKLCH | oklch(54.6% 0.21 356.1) |
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 #C51B74 | 5.55:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #C51B74 | 3.78:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #C51B74 text on white | 5.55:1 | AA | Lc 75.9 | Fine for body text |
| #C51B74 text on black | 3.78:1 | AA large text | Lc -25.9 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
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
#F2A7C2
oklch(80.8% 0.094 356.1)
-
Step 400
400
#E875A3
oklch(70.7% 0.15 356.4)
-
Step 500
500
#DD4A8D
oklch(63.1% 0.192 356)
-
Step 600
600 (this color)
#C51B74
oklch(54.6% 0.21 356.1)
-
Step 700
700
#AD0D64
oklch(49.1% 0.195 356.1)
-
Step 800
800
#8C1352
oklch(42.6% 0.161 355.8)
-
Step 900
900
#711A44
oklch(37.7% 0.127 355.7)
-
Step 950
950
#431228
oklch(27.1% 0.08 356)
#C51B74 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) | #465576 | 0.238 |
| Deuteranopia (no green cones) | #747370 | 0.210 |
| Tritanopia (no blue cones) | #D60047 | 0.073 |
| Achromatopsia (no color) | #686868 | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C51B74
#C51B74
oklch(54.6% 0.21 356.1)
- #00836E
#00836E
oklch(54.5% 0.102 176.2)
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 #C51B74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.028
- Dark Hot Pink #D90166 ΔE 0.045
- Cerise #DE0C62 ΔE 0.058
- Dark Pink #CB416B ΔE 0.060
- Ruby #CA0147 ΔE 0.065
- Lipstick #D5174E ΔE 0.067
- Deep Rose #C74767 ΔE 0.071
- Raspberry #B00149 ΔE 0.076
Use #C51B74 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.