#C42241
Closest named color: Ruby (#CA0147). oklch(53.4% 0.194 17.5), rgb(196, 34, 65).
Aa
White text reads best on this color (5.74:1).
About this color
#C42241 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.194 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.024 away. White text reads best on it, at 5.74:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #C42241 |
| RGB | rgb(196, 34, 65) |
| HSL | hsl(349, 70%, 45%) |
| OKLCH | oklch(53.4% 0.194 17.5) |
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 #C42241 | 5.74:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #C42241 | 3.65:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #C42241 text on white | 5.74:1 | AA | Lc 77.0 | Fine for body text |
| #C42241 text on black | 3.65:1 | AA large text | Lc -24.7 | 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
#FDF2F2
oklch(97% 0.012 17.4)
-
Step 100
100
#FBE4E4
oklch(93.7% 0.025 17.6)
-
Step 200
200
#F8CDCD
oklch(88.5% 0.049 18.1)
-
Step 300
300
#F4AAAC
oklch(80.9% 0.087 17.4)
-
Step 400
400
#EA7980
oklch(70.6% 0.14 17.4)
-
Step 500
500
#E05060
oklch(63% 0.179 17.4)
-
Step 600
600 (this color)
#C42241
oklch(53.4% 0.194 17.5)
-
Step 700
700
#B01B39
oklch(49.2% 0.181 17.4)
-
Step 800
800
#8F1B2F
oklch(42.8% 0.15 17.6)
-
Step 900
900
#731F2A
oklch(37.8% 0.117 17.4)
-
Step 950
950
#441419
oklch(27.1% 0.074 17.4)
#C42241 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) | #555041 | 0.215 |
| Deuteranopia (no green cones) | #7D723C | 0.197 |
| Tritanopia (no blue cones) | #D70030 | 0.040 |
| Achromatopsia (no color) | #666666 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C42241
#C42241
oklch(53.4% 0.194 17.5)
- #007D80
#007D80
oklch(53.5% 0.091 197.7)
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 #C42241, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.024
- Cherry #CF0234 ΔE 0.025
- Rose Red #BE013C ΔE 0.027
- Lipstick Red #C0022F ΔE 0.027
- Lipstick #D5174E ΔE 0.038
- Dull Red #BB3F3F ΔE 0.041
- Scarlet #BE0119 ΔE 0.043
- Crimson #DC143C ΔE 0.047
Use #C42241 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.