#C51691
Closest named color: Medium Violet Red (#C71585). oklch(55.5% 0.226 344.8), rgb(197, 22, 145).
Aa
White text reads best on this color (5.38:1).
About this color
#C51691 is a medium-dark, vivid pink. In OKLCH its lightness is 56%, its chroma 0.226 and its hue 345°. 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 5.38:1.
| Hue family | Pinks |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.226) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.89:1 |
| White text | 5.38:1 |
Values
| HEX | #C51691 |
| RGB | rgb(197, 22, 145) |
| HSL | hsl(318, 80%, 43%) |
| OKLCH | oklch(55.5% 0.226 344.8) |
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 #C51691 | 5.38:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #C51691 | 3.89:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #C51691 text on white | 5.38:1 | AA | Lc 74.9 | Content text, not long reading |
| #C51691 text on black | 3.89:1 | AA large text | Lc -26.8 | 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
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#F9E2EE
oklch(93.5% 0.03 344.8)
-
Step 200
200
#F6CBE2
oklch(88.6% 0.057 344.9)
-
Step 300
300
#F0A6D0
oklch(80.9% 0.102 344.6)
-
Step 400
400
#E572B8
oklch(70.6% 0.163 344.7)
-
Step 500
500
#DA45A6
oklch(63% 0.208 344.8)
-
Step 600
600 (this color)
#C51691
oklch(55.5% 0.226 344.8)
-
Step 700
700
#A9007B
oklch(49% 0.209 344.8)
-
Step 800
800
#8A0C64
oklch(42.7% 0.174 345)
-
Step 900
900
#6F1752
oklch(37.6% 0.136 344.6)
-
Step 950
950
#411030
oklch(26.9% 0.086 344.3)
#C51691 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) | #355894 | 0.257 |
| Deuteranopia (no green cones) | #6B748D | 0.219 |
| Tritanopia (no blue cones) | #D31157 | 0.096 |
| Achromatopsia (no color) | #6A6A6A | 0.228 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C51691
#C51691
oklch(55.5% 0.226 344.8)
- #008861
#008861
oklch(55.5% 0.117 164.6)
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 #C51691, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.020
- Purpley Pink #C83CB9 ΔE 0.068
- Dark Hot Pink #D90166 ΔE 0.080
- Pinky Purple #C94CBE ΔE 0.088
- Cerise #DE0C62 ΔE 0.092
- Dark Pink #CB416B ΔE 0.093
- Warm Purple #952E8F ΔE 0.094
- Red Violet #9E0168 ΔE 0.101
Use #C51691 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.