#C7243D
Closest named color: Cherry (#CF0234). oklch(54% 0.196 19.6), rgb(199, 36, 61).
Aa
White text reads best on this color (5.60:1).
About this color
#C7243D is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.196 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.021 away. White text reads best on it, at 5.60:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.196) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #C7243D |
| RGB | rgb(199, 36, 61) |
| HSL | hsl(351, 69%, 46%) |
| OKLCH | oklch(54% 0.196 19.6) |
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 #C7243D | 5.60:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #C7243D | 3.74:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #C7243D text on white | 5.60:1 | AA | Lc 76.3 | Fine for body text |
| #C7243D text on black | 3.74:1 | AA large text | Lc -25.5 | 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
#FBE4E3
oklch(93.7% 0.025 20.6)
-
Step 200
200
#F8CDCC
oklch(88.5% 0.049 19.7)
-
Step 300
300
#F4AAAA
oklch(80.9% 0.088 19.1)
-
Step 400
400
#EB797C
oklch(70.7% 0.141 19.7)
-
Step 500
500
#E1505B
oklch(63% 0.18 19.6)
-
Step 600
600 (this color)
#C7243D
oklch(54% 0.196 19.6)
-
Step 700
700
#B01A33
oklch(49% 0.182 19.6)
-
Step 800
800
#8F1B2B
oklch(42.7% 0.15 19.6)
-
Step 900
900
#731F27
oklch(37.7% 0.117 19.6)
-
Step 950
950
#441417
oklch(27.1% 0.074 19.9)
#C7243D 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) | #57523D | 0.217 |
| Deuteranopia (no green cones) | #807438 | 0.197 |
| Tritanopia (no blue cones) | #DB0030 | 0.040 |
| Achromatopsia (no color) | #686868 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C7243D
#C7243D
oklch(54% 0.196 19.6)
- #007F83
#007F83
oklch(54.2% 0.092 198.7)
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 #C7243D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.021
- Ruby #CA0147 ΔE 0.028
- Lipstick Red #C0022F ΔE 0.031
- Rose Red #BE013C ΔE 0.035
- Lipstick #D5174E ΔE 0.036
- Dull Red #BB3F3F ΔE 0.039
- Crimson #DC143C ΔE 0.040
- Scarlet #BE0119 ΔE 0.043
Use #C7243D 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.