#C42E5B
Closest named color: Ruby (#CA0147). oklch(54.9% 0.187 8.5), rgb(196, 46, 91).
Aa
White text reads best on this color (5.39:1).
About this color
#C42E5B is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.187 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.035 away. White text reads best on it, at 5.39:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.187) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.88:1 |
| White text | 5.39:1 |
Values
| HEX | #C42E5B |
| RGB | rgb(196, 46, 91) |
| HSL | hsl(342, 62%, 47%) |
| OKLCH | oklch(54.9% 0.187 8.5) |
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 #C42E5B | 5.39:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #C42E5B | 3.88:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #C42E5B text on white | 5.39:1 | AA | Lc 75.5 | Fine for body text |
| #C42E5B text on black | 3.88:1 | AA large text | Lc -26.2 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#F9E4E6
oklch(93.6% 0.023 11)
-
Step 200
200
#F6CDD3
oklch(88.5% 0.047 8.2)
-
Step 300
300
#F1AAB6
oklch(80.9% 0.085 8)
-
Step 400
400
#E67A90
oklch(70.6% 0.135 8.2)
-
Step 500
500
#DB5374
oklch(63% 0.171 8.6)
-
Step 600
600 (this color)
#C42E5B
oklch(54.9% 0.187 8.5)
-
Step 700
700
#AB214D
oklch(49.1% 0.174 8.3)
-
Step 800
800
#8B1F3F
oklch(42.7% 0.144 8.5)
-
Step 900
900
#702135
oklch(37.7% 0.112 9.1)
-
Step 950
950
#42151F
oklch(27.1% 0.07 9.4)
#C42E5B 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) | #55575C | 0.210 |
| Deuteranopia (no green cones) | #7C7557 | 0.191 |
| Tritanopia (no blue cones) | #D60041 | 0.047 |
| Achromatopsia (no color) | #6A6A6A | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C42E5B
#C42E5B
oklch(54.9% 0.187 8.5)
- #00837C
#00837C
oklch(55% 0.096 188.2)
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 #C42E5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.035
- Dark Pink #CB416B ΔE 0.036
- Lipstick #D5174E ΔE 0.036
- Deep Rose #C74767 ΔE 0.040
- Dark Rose #B5485D ΔE 0.045
- Dark Hot Pink #D90166 ΔE 0.049
- Rose Red #BE013C ΔE 0.050
- Cherry #CF0234 ΔE 0.052
Use #C42E5B 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.