#C42639
Closest named color: Cherry (#CF0234). oklch(53.6% 0.192 21), rgb(196, 38, 57).
Aa
White text reads best on this color (5.70:1).
About this color
#C42639 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.192 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.026 away. White text reads best on it, at 5.70:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.192) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.68:1 |
| White text | 5.70:1 |
Values
| HEX | #C42639 |
| RGB | rgb(196, 38, 57) |
| HSL | hsl(353, 68%, 46%) |
| OKLCH | oklch(53.6% 0.192 21) |
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 #C42639 | 5.70:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #C42639 | 3.68:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #C42639 text on white | 5.70:1 | AA | Lc 76.9 | Fine for body text |
| #C42639 text on black | 3.68:1 | AA large text | Lc -24.9 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E3
oklch(93.6% 0.024 20.7)
-
Step 200
200
#F8CDCB
oklch(88.5% 0.049 21.2)
-
Step 300
300
#F3ABA9
oklch(80.9% 0.085 20.9)
-
Step 400
400
#EA7A7B
oklch(70.7% 0.139 20.6)
-
Step 500
500
#E05259
oklch(63.1% 0.177 20.9)
-
Step 600
600 (this color)
#C42639
oklch(53.6% 0.192 21)
-
Step 700
700
#AF1E31
oklch(49% 0.178 20.9)
-
Step 800
800
#8E1D29
oklch(42.6% 0.148 21)
-
Step 900
900
#722025
oklch(37.6% 0.115 21.3)
-
Step 950
950
#431416
oklch(26.9% 0.073 21)
#C42639 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) | #575138 | 0.212 |
| Deuteranopia (no green cones) | #7E7234 | 0.192 |
| Tritanopia (no blue cones) | #D8002F | 0.039 |
| Achromatopsia (no color) | #666666 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C42639
#C42639
oklch(53.6% 0.192 21)
- #007D83
#007D83
oklch(53.6% 0.091 200.7)
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 #C42639, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.026
- Lipstick Red #C0022F ΔE 0.028
- Rose Red #BE013C ΔE 0.034
- Ruby #CA0147 ΔE 0.034
- Dull Red #BB3F3F ΔE 0.034
- Scarlet #BE0119 ΔE 0.038
- Lipstick #D5174E ΔE 0.044
- Firebrick #B22222 ΔE 0.045
Use #C42639 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.