#C51F8A
Closest named color: Medium Violet Red (#C71585). oklch(55.6% 0.217 347.6), rgb(197, 31, 138).
Aa
White text reads best on this color (5.33:1).
About this color
#C51F8A is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.217 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.010 away. White text reads best on it, at 5.33:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.217) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #C51F8A |
| RGB | rgb(197, 31, 138) |
| HSL | hsl(321, 73%, 45%) |
| OKLCH | oklch(55.6% 0.217 347.6) |
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 #C51F8A | 5.33:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #C51F8A | 3.93:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #C51F8A text on white | 5.33:1 | AA | Lc 74.8 | Content text, not long reading |
| #C51F8A text on black | 3.93:1 | AA large text | Lc -26.9 | 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
#F9E3ED
oklch(93.6% 0.027 348.3)
-
Step 200
200
#F5CBE0
oklch(88.4% 0.054 346.7)
-
Step 300
300
#F0A7CC
oklch(80.9% 0.097 347.7)
-
Step 400
400
#E574B2
oklch(70.7% 0.156 347.8)
-
Step 500
500
#DA499F
oklch(63.2% 0.199 347.8)
-
Step 600
600 (this color)
#C51F8A
oklch(55.6% 0.217 347.6)
-
Step 700
700
#A90A75
oklch(49% 0.201 347.5)
-
Step 800
800
#8A125F
oklch(42.8% 0.167 347.9)
-
Step 900
900
#6F1A4E
oklch(37.7% 0.13 347.6)
-
Step 950
950
#41112E
oklch(26.9% 0.083 346.8)
#C51F8A 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) | #3D598D | 0.246 |
| Deuteranopia (no green cones) | #6F7586 | 0.213 |
| Tritanopia (no blue cones) | #D31354 | 0.088 |
| Achromatopsia (no color) | #6B6B6B | 0.219 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C51F8A
#C51F8A
oklch(55.6% 0.217 347.6)
- #008866
#008866
oklch(55.6% 0.113 167.6)
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 #C51F8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.010
- Dark Hot Pink #D90166 ΔE 0.068
- Purpley Pink #C83CB9 ΔE 0.074
- Dark Pink #CB416B ΔE 0.079
- Cerise #DE0C62 ΔE 0.081
- Deep Rose #C74767 ΔE 0.090
- Pinky Purple #C94CBE ΔE 0.091
- Warm Purple #952E8F ΔE 0.096
Use #C51F8A 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.