#C51D6F
Closest named color: Medium Violet Red (#C71585). oklch(54.5% 0.206 358.3), rgb(197, 29, 111).
Aa
White text reads best on this color (5.55:1).
About this color
#C51D6F is a medium-dark, vivid red. In OKLCH its lightness is 55%, 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 0.036 away. White text reads best on it, at 5.55:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.206) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.77:1 |
| White text | 5.55:1 |
Values
| HEX | #C51D6F |
| RGB | rgb(197, 29, 111) |
| HSL | hsl(331, 74%, 44%) |
| OKLCH | oklch(54.5% 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 #C51D6F | 5.55:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #C51D6F | 3.77:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #C51D6F text on white | 5.55:1 | AA | Lc 76.0 | Fine for body text |
| #C51D6F 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
#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)
#C51D6F
oklch(54.5% 0.206 358.3)
-
Step 700
700
#AD1060
oklch(49.1% 0.192 358.1)
-
Step 800
800
#8D144E
oklch(42.7% 0.16 358.4)
-
Step 900
900
#711B41
oklch(37.7% 0.124 358.1)
-
Step 950
950
#431226
oklch(27.1% 0.079 358.5)
#C51D6F 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) | #485471 | 0.235 |
| Deuteranopia (no green cones) | #75736B | 0.209 |
| Tritanopia (no blue cones) | #D60045 | 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°).
- #C51D6F
#C51D6F
oklch(54.5% 0.206 358.3)
- #008370
#008370
oklch(54.6% 0.101 177.8)
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 #C51D6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.036
- Dark Hot Pink #D90166 ΔE 0.041
- Cerise #DE0C62 ΔE 0.054
- Dark Pink #CB416B ΔE 0.054
- Ruby #CA0147 ΔE 0.057
- Lipstick #D5174E ΔE 0.060
- Deep Rose #C74767 ΔE 0.065
- Raspberry #B00149 ΔE 0.071
Use #C51D6F 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.