#C51387
Closest named color: Medium Violet Red (#C71585). oklch(55% 0.222 348.4), rgb(197, 19, 135).
Aa
White text reads best on this color (5.50:1).
About this color
#C51387 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.222 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.006 away. White text reads best on it, at 5.50:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.222) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.81:1 |
| White text | 5.50:1 |
Values
| HEX | #C51387 |
| RGB | rgb(197, 19, 135) |
| HSL | hsl(321, 82%, 42%) |
| OKLCH | oklch(55% 0.222 348.4) |
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 #C51387 | 5.50:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #C51387 | 3.81:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #C51387 text on white | 5.50:1 | AA | Lc 75.4 | Fine for body text |
| #C51387 text on black | 3.81:1 | AA large text | Lc -26.3 | 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
#FAE2ED
oklch(93.5% 0.03 348.2)
-
Step 200
200
#F6CBDF
oklch(88.5% 0.055 348.6)
-
Step 300
300
#F2A6CC
oklch(80.9% 0.101 348.2)
-
Step 400
400
#E772B1
oklch(70.6% 0.161 348.5)
-
Step 500
500
#DC469E
oklch(63.1% 0.204 348.4)
-
Step 600
600 (this color)
#C51387
oklch(55% 0.222 348.4)
-
Step 700
700
#AB0074
oklch(49% 0.206 348.3)
-
Step 800
800
#8B0C5E
oklch(42.6% 0.171 348.5)
-
Step 900
900
#70184D
oklch(37.7% 0.133 348.5)
-
Step 950
950
#42102D
oklch(26.9% 0.085 348.5)
#C51387 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) | #3A568A | 0.253 |
| Deuteranopia (no green cones) | #6E7383 | 0.218 |
| Tritanopia (no blue cones) | #D40050 | 0.090 |
| Achromatopsia (no color) | #696969 | 0.224 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C51387
#C51387
oklch(55% 0.222 348.4)
- #008665
#008665
oklch(55.1% 0.112 167.9)
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 #C51387, closest first.
No curated palette has a color within ΔE 0.04 of #C51387.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.006
- Dark Hot Pink #D90166 ΔE 0.067
- Cerise #DE0C62 ΔE 0.080
- Purpley Pink #C83CB9 ΔE 0.081
- Dark Pink #CB416B ΔE 0.083
- Red Violet #9E0168 ΔE 0.093
- Deep Rose #C74767 ΔE 0.094
- Warm Purple #952E8F ΔE 0.096
Use #C51387 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.