#C51B84
Closest named color: Medium Violet Red (#C71585). oklch(55.2% 0.217 349.8), rgb(197, 27, 132).
Aa
White text reads best on this color (5.43:1).
About this color
#C51B84 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.217 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.005 away. White text reads best on it, at 5.43:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.217) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.86:1 |
| White text | 5.43:1 |
Values
| HEX | #C51B84 |
| RGB | rgb(197, 27, 132) |
| HSL | hsl(323, 76%, 44%) |
| OKLCH | oklch(55.2% 0.217 349.8) |
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 #C51B84 | 5.43:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #C51B84 | 3.86:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #C51B84 text on white | 5.43:1 | AA | Lc 75.3 | Fine for body text |
| #C51B84 text on black | 3.86:1 | AA large text | Lc -26.5 | 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
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#FAE3EC
oklch(93.7% 0.028 352)
-
Step 200
200
#F6CBDE
oklch(88.4% 0.054 349.9)
-
Step 300
300
#F1A7CA
oklch(80.9% 0.097 349.6)
-
Step 400
400
#E674AF
oklch(70.7% 0.156 349.5)
-
Step 500
500
#DB489B
oklch(63.1% 0.199 349.5)
-
Step 600
600 (this color)
#C51B84
oklch(55.2% 0.217 349.8)
-
Step 700
700
#AB0771
oklch(49.1% 0.202 349.7)
-
Step 800
800
#8B115C
oklch(42.8% 0.167 349.8)
-
Step 900
900
#70194B
oklch(37.7% 0.13 350)
-
Step 950
950
#42112C
oklch(27% 0.082 350)
#C51B84 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) | #3F5786 | 0.246 |
| Deuteranopia (no green cones) | #707480 | 0.214 |
| Tritanopia (no blue cones) | #D40250 | 0.084 |
| Achromatopsia (no color) | #6A6A6A | 0.218 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C51B84
#C51B84
oklch(55.2% 0.217 349.8)
- #008668
#008668
oklch(55.1% 0.109 169.9)
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 #C51B84, closest first.
No curated palette has a color within ΔE 0.04 of #C51B84.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.005
- Dark Hot Pink #D90166 ΔE 0.062
- Cerise #DE0C62 ΔE 0.074
- Dark Pink #CB416B ΔE 0.075
- Purpley Pink #C83CB9 ΔE 0.083
- Deep Rose #C74767 ΔE 0.086
- Lipstick #D5174E ΔE 0.090
- Ruby #CA0147 ΔE 0.090
Use #C51B84 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.