#C51F78
Closest named color: Medium Violet Red (#C71585). oklch(54.9% 0.208 354.7), rgb(197, 31, 120).
Aa
White text reads best on this color (5.46:1).
About this color
#C51F78 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.208 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.023 away. White text reads best on it, at 5.46:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #C51F78 |
| RGB | rgb(197, 31, 120) |
| HSL | hsl(328, 73%, 45%) |
| OKLCH | oklch(54.9% 0.208 354.7) |
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 #C51F78 | 5.46:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #C51F78 | 3.84:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #C51F78 text on white | 5.46:1 | AA | Lc 75.5 | Fine for body text |
| #C51F78 text on black | 3.84:1 | AA large text | Lc -26.2 | 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
#FAE3EB
oklch(93.7% 0.027 354.5)
-
Step 200
200
#F6CCDB
oklch(88.5% 0.051 354.7)
-
Step 300
300
#F2A8C4
oklch(81% 0.094 355)
-
Step 400
400
#E775A6
oklch(70.7% 0.15 354.5)
-
Step 500
500
#DC4B90
oklch(63.1% 0.191 354.6)
-
Step 600
600 (this color)
#C51F78
oklch(54.9% 0.208 354.7)
-
Step 700
700
#AC1067
oklch(49.2% 0.194 354.7)
-
Step 800
800
#8B1454
oklch(42.6% 0.161 354.4)
-
Step 900
900
#701B45
oklch(37.6% 0.125 354.7)
-
Step 950
950
#421229
oklch(27% 0.079 354)
#C51F78 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) | #46567A | 0.236 |
| Deuteranopia (no green cones) | #747474 | 0.209 |
| Tritanopia (no blue cones) | #D5004A | 0.073 |
| Achromatopsia (no color) | #696969 | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C51F78
#C51F78
oklch(54.9% 0.208 354.7)
- #00856E
#00856E
oklch(55.1% 0.104 174.8)
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 #C51F78, closest first.
No curated palette has a color within ΔE 0.04 of #C51F78.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.023
- Dark Hot Pink #D90166 ΔE 0.047
- Dark Pink #CB416B ΔE 0.060
- Cerise #DE0C62 ΔE 0.060
- Ruby #CA0147 ΔE 0.071
- Deep Rose #C74767 ΔE 0.071
- Lipstick #D5174E ΔE 0.071
- Raspberry #B00149 ΔE 0.081
Use #C51F78 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.