#C5243F
Closest named color: Cherry (#CF0234). oklch(53.7% 0.194 18.7), rgb(197, 36, 63).
Aa
White text reads best on this color (5.67:1).
About this color
#C5243F is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.194 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.024 away. White text reads best on it, at 5.67:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.69:1 |
| White text | 5.67:1 |
Values
| HEX | #C5243F |
| RGB | rgb(197, 36, 63) |
| HSL | hsl(350, 69%, 46%) |
| OKLCH | oklch(53.7% 0.194 18.7) |
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 #C5243F | 5.67:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #C5243F | 3.69:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #C5243F text on white | 5.67:1 | AA | Lc 76.7 | Fine for body text |
| #C5243F text on black | 3.69:1 | AA large text | Lc -25.1 | 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
#FAE4E3
oklch(93.6% 0.024 20.7)
-
Step 200
200
#F8CDCD
oklch(88.5% 0.049 18.1)
-
Step 300
300
#F4AAAB
oklch(80.9% 0.088 18.3)
-
Step 400
400
#EA797E
oklch(70.6% 0.14 18.5)
-
Step 500
500
#E0515E
oklch(63.1% 0.178 18.6)
-
Step 600
600 (this color)
#C5243F
oklch(53.7% 0.194 18.7)
-
Step 700
700
#B01C36
oklch(49.2% 0.18 18.7)
-
Step 800
800
#8F1C2D
oklch(42.8% 0.149 18.8)
-
Step 900
900
#731F28
oklch(37.7% 0.117 18.9)
-
Step 950
950
#441418
oklch(27.1% 0.074 18.7)
#C5243F 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) | #56513F | 0.215 |
| Deuteranopia (no green cones) | #7E733A | 0.197 |
| Tritanopia (no blue cones) | #D90030 | 0.040 |
| Achromatopsia (no color) | #676767 | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5243F
#C5243F
oklch(53.7% 0.194 18.7)
- #007E81
#007E81
oklch(53.8% 0.092 197.7)
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 #C5243F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.024
- Ruby #CA0147 ΔE 0.027
- Lipstick Red #C0022F ΔE 0.029
- Rose Red #BE013C ΔE 0.031
- Lipstick #D5174E ΔE 0.038
- Dull Red #BB3F3F ΔE 0.038
- Scarlet #BE0119 ΔE 0.043
- Crimson #DC143C ΔE 0.044
Use #C5243F 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.