#C31C73
Closest named color: Medium Violet Red (#C71585). oklch(54.3% 0.207 356.1), rgb(195, 28, 115).
Aa
White text reads best on this color (5.62:1).
About this color
#C31C73 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.207 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.030 away. White text reads best on it, at 5.62:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.207) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #C31C73 |
| RGB | rgb(195, 28, 115) |
| HSL | hsl(329, 75%, 44%) |
| OKLCH | oklch(54.3% 0.207 356.1) |
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 #C31C73 | 5.62:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #C31C73 | 3.73:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #C31C73 text on white | 5.62:1 | AA | Lc 76.3 | Fine for body text |
| #C31C73 text on black | 3.73:1 | AA large text | Lc -25.4 | 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
#FAE3EA
oklch(93.6% 0.027 357.2)
-
Step 200
200
#F7CCDA
oklch(88.6% 0.052 356.7)
-
Step 300
300
#F2A8C2
oklch(81% 0.093 356.6)
-
Step 400
400
#E775A3
oklch(70.6% 0.149 356.1)
-
Step 500
500
#DD4B8D
oklch(63.2% 0.191 356.2)
-
Step 600
600 (this color)
#C31C73
oklch(54.3% 0.207 356.1)
-
Step 700
700
#AC1064
oklch(49.1% 0.193 356)
-
Step 800
800
#8C1552
oklch(42.8% 0.16 355.9)
-
Step 900
900
#711B44
oklch(37.8% 0.125 355.9)
-
Step 950
950
#421228
oklch(27% 0.078 355.3)
#C31C73 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) | #455475 | 0.236 |
| Deuteranopia (no green cones) | #73726F | 0.208 |
| Tritanopia (no blue cones) | #D30047 | 0.071 |
| Achromatopsia (no color) | #676767 | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C31C73
#C31C73
oklch(54.3% 0.207 356.1)
- #00826D
#00826D
oklch(54.2% 0.101 176.1)
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 #C31C73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.030
- Dark Hot Pink #D90166 ΔE 0.048
- Dark Pink #CB416B ΔE 0.060
- Cerise #DE0C62 ΔE 0.061
- Ruby #CA0147 ΔE 0.065
- Lipstick #D5174E ΔE 0.068
- Deep Rose #C74767 ΔE 0.071
- Raspberry #B00149 ΔE 0.073
Use #C31C73 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.