#C42F4C
Closest named color: Ruby (#CA0147). oklch(54.6% 0.184 15.2), rgb(196, 47, 76).
Aa
White text reads best on this color (5.44:1).
About this color
#C42F4C is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.184 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.032 away. White text reads best on it, at 5.44:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.184) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.85:1 |
| White text | 5.44:1 |
Values
| HEX | #C42F4C |
| RGB | rgb(196, 47, 76) |
| HSL | hsl(348, 61%, 48%) |
| OKLCH | oklch(54.6% 0.184 15.2) |
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 #C42F4C | 5.44:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #C42F4C | 3.85:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #C42F4C text on white | 5.44:1 | AA | Lc 75.8 | Fine for body text |
| #C42F4C text on black | 3.85:1 | AA large text | Lc -26.0 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#FAE4E5
oklch(93.7% 0.024 14.4)
-
Step 200
200
#F6CDCF
oklch(88.4% 0.046 14.8)
-
Step 300
300
#F1ABAF
oklch(80.9% 0.083 15.3)
-
Step 400
400
#E77B85
oklch(70.6% 0.133 15.2)
-
Step 500
500
#DC5567
oklch(63.1% 0.169 15.4)
-
Step 600
600 (this color)
#C42F4C
oklch(54.6% 0.184 15.2)
-
Step 700
700
#AC2340
oklch(49.1% 0.172 15)
-
Step 800
800
#8C2035
oklch(42.8% 0.143 15)
-
Step 900
900
#70222E
oklch(37.7% 0.11 15.2)
-
Step 950
950
#42151B
oklch(27% 0.07 15.1)
#C42F4C 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) | #59564C | 0.204 |
| Deuteranopia (no green cones) | #7F7548 | 0.187 |
| Tritanopia (no blue cones) | #D7003B | 0.043 |
| Achromatopsia (no color) | #6A6A6A | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C42F4C
#C42F4C
oklch(54.6% 0.184 15.2)
- #008181
#008181
oklch(54.6% 0.093 194.8)
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 #C42F4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.032
- Lipstick #D5174E ΔE 0.035
- Dull Red #BB3F3F ΔE 0.036
- Cherry #CF0234 ΔE 0.037
- Dusty Red #B9484E ΔE 0.041
- Rose Red #BE013C ΔE 0.041
- Dark Rose #B5485D ΔE 0.044
- Lipstick Red #C0022F ΔE 0.044
Use #C42F4C 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.