#C4237F
Closest named color: Medium Violet Red (#C71585). oklch(55.3% 0.208 351.9), rgb(196, 35, 127).
Aa
White text reads best on this color (5.39:1).
About this color
#C4237F is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.208 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.016 away. White text reads best on it, at 5.39:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #C4237F |
| RGB | rgb(196, 35, 127) |
| HSL | hsl(326, 70%, 45%) |
| OKLCH | oklch(55.3% 0.208 351.9) |
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 #C4237F | 5.39:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #C4237F | 3.89:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #C4237F text on white | 5.39:1 | AA | Lc 75.2 | Fine for body text |
| #C4237F text on black | 3.89:1 | AA large text | Lc -26.5 | 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
#F9E3EC
oklch(93.6% 0.027 350.9)
-
Step 200
200
#F6CCDD
oklch(88.6% 0.052 351.9)
-
Step 300
300
#F0A8C7
oklch(80.9% 0.093 351.9)
-
Step 400
400
#E576AA
oklch(70.7% 0.149 352.1)
-
Step 500
500
#DA4C96
oklch(63.1% 0.191 351.7)
-
Step 600
600 (this color)
#C4237F
oklch(55.3% 0.208 351.9)
-
Step 700
700
#AA136C
oklch(49.1% 0.193 352)
-
Step 800
800
#8A1658
oklch(42.7% 0.16 352)
-
Step 900
900
#6F1C48
oklch(37.7% 0.124 352.2)
-
Step 950
950
#41122A
oklch(26.9% 0.078 352)
#C4237F 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) | #445881 | 0.235 |
| Deuteranopia (no green cones) | #72747C | 0.206 |
| Tritanopia (no blue cones) | #D30C4F | 0.077 |
| Achromatopsia (no color) | #6A6A6A | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4237F
#C4237F
oklch(55.3% 0.208 351.9)
- #00866B
#00866B
oklch(55.2% 0.107 172)
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 #C4237F, closest first.
No curated palette has a color within ΔE 0.04 of #C4237F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.016
- Dark Hot Pink #D90166 ΔE 0.056
- Dark Pink #CB416B ΔE 0.064
- Cerise #DE0C62 ΔE 0.068
- Deep Rose #C74767 ΔE 0.075
- Lipstick #D5174E ΔE 0.081
- Ruby #CA0147 ΔE 0.081
- Dark Rose #B5485D ΔE 0.088
Use #C4237F 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.