#C51578
Closest named color: Medium Violet Red (#C71585). oklch(54.5% 0.215 354.2), rgb(197, 21, 120).
Aa
White text reads best on this color (5.59:1).
About this color
#C51578 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.215 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.020 away. White text reads best on it, at 5.59:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.215) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #C51578 |
| RGB | rgb(197, 21, 120) |
| HSL | hsl(326, 81%, 43%) |
| OKLCH | oklch(54.5% 0.215 354.2) |
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 #C51578 | 5.59:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #C51578 | 3.75:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #C51578 text on white | 5.59:1 | AA | Lc 76.0 | Fine for body text |
| #C51578 text on black | 3.75:1 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FAE3EB
oklch(93.7% 0.027 354.5)
-
Step 200
200
#F7CBDB
oklch(88.5% 0.054 354.4)
-
Step 300
300
#F3A7C5
oklch(81% 0.097 354.1)
-
Step 400
400
#E874A7
oklch(70.7% 0.153 354.1)
-
Step 500
500
#DE4891
oklch(63.2% 0.197 354.3)
-
Step 600
600 (this color)
#C51578
oklch(54.5% 0.215 354.2)
-
Step 700
700
#AD0568
oklch(49.1% 0.2 354.1)
-
Step 800
800
#8D1055
oklch(42.8% 0.165 354.2)
-
Step 900
900
#711946
oklch(37.7% 0.129 354)
-
Step 950
950
#431129
oklch(27.1% 0.082 354.3)
#C51578 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) | #42547A | 0.245 |
| Deuteranopia (no green cones) | #727374 | 0.215 |
| Tritanopia (no blue cones) | #D50048 | 0.078 |
| Achromatopsia (no color) | #686868 | 0.216 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C51578
#C51578
oklch(54.5% 0.215 354.2)
- #00836C
#00836C
oklch(54.4% 0.103 174.6)
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 #C51578, closest first.
No curated palette has a color within ΔE 0.04 of #C51578.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.020
- Dark Hot Pink #D90166 ΔE 0.050
- Cerise #DE0C62 ΔE 0.063
- Dark Pink #CB416B ΔE 0.067
- Ruby #CA0147 ΔE 0.073
- Lipstick #D5174E ΔE 0.075
- Deep Rose #C74767 ΔE 0.078
- Raspberry #B00149 ΔE 0.081
Use #C51578 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.