#C4307B
Closest named color: Medium Violet Red (#C71585). oklch(56% 0.194 354.6), rgb(196, 48, 123).
Aa
White text reads best on this color (5.17:1).
About this color
#C4307B is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.194 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.033 away. White text reads best on it, at 5.17:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 4.05:1 |
| White text | 5.17:1 |
Values
| HEX | #C4307B |
| RGB | rgb(196, 48, 123) |
| HSL | hsl(330, 61%, 48%) |
| OKLCH | oklch(56% 0.194 354.6) |
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 #C4307B | 5.17:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #C4307B | 4.05:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #C4307B text on white | 5.17:1 | AA | Lc 74.3 | Content text, not long reading |
| #C4307B text on black | 4.05:1 | AA large text | Lc -27.4 | 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
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F9E3EB
oklch(93.6% 0.026 353.5)
-
Step 200
200
#F5CDDB
oklch(88.6% 0.048 355.1)
-
Step 300
300
#EEA9C4
oklch(80.8% 0.088 354)
-
Step 400
400
#E379A6
oklch(70.8% 0.14 354.4)
-
Step 500
500
#D75190
oklch(63% 0.179 354.3)
-
Step 600
600 (this color)
#C4307B
oklch(56% 0.194 354.6)
-
Step 700
700
#A71F66
oklch(49% 0.18 354.8)
-
Step 800
800
#881D54
oklch(42.7% 0.15 354.3)
-
Step 900
900
#6E2045
oklch(37.8% 0.116 354.9)
-
Step 950
950
#411428
oklch(27.1% 0.074 355.6)
#C4307B 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) | #4D5C7D | 0.219 |
| Deuteranopia (no green cones) | #777778 | 0.194 |
| Tritanopia (no blue cones) | #D41F51 | 0.067 |
| Achromatopsia (no color) | #6D6D6D | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4307B
#C4307B
oklch(56% 0.194 354.6)
- #008870
#008870
oklch(55.9% 0.106 174.5)
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 #C4307B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.033
- Dark Pink #CB416B ΔE 0.047
- Dark Hot Pink #D90166 ΔE 0.051
- Deep Rose #C74767 ΔE 0.057
- Cerise #DE0C62 ΔE 0.061
- Lipstick #D5174E ΔE 0.071
- Dark Rose #B5485D ΔE 0.071
- Ruby #CA0147 ΔE 0.074
Use #C4307B 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.