#C9183C
Closest named color: Cherry (#CF0234). oklch(53.7% 0.204 18.7), rgb(201, 24, 60).
Aa
White text reads best on this color (5.70:1).
About this color
#C9183C is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.204 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.014 away. White text reads best on it, at 5.70:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.204) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.67:1 |
| White text | 5.70:1 |
Values
| HEX | #C9183C |
| RGB | rgb(201, 24, 60) |
| HSL | hsl(348, 79%, 44%) |
| OKLCH | oklch(53.7% 0.204 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 #C9183C | 5.70:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #C9183C | 3.67:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #C9183C text on white | 5.70:1 | AA | Lc 76.5 | Fine for body text |
| #C9183C text on black | 3.67:1 | AA large text | Lc -25.3 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE3E3
oklch(93.5% 0.026 17.6)
-
Step 200
200
#F9CCCC
oklch(88.4% 0.051 18.2)
-
Step 300
300
#F6A9A9
oklch(80.9% 0.091 19.2)
-
Step 400
400
#EE777C
oklch(70.8% 0.147 18.9)
-
Step 500
500
#E44C5B
oklch(63.1% 0.187 18.8)
-
Step 600
600 (this color)
#C9183C
oklch(53.7% 0.204 18.7)
-
Step 700
700
#B30F33
oklch(49.1% 0.19 18.7)
-
Step 800
800
#92142B
oklch(42.8% 0.158 18.6)
-
Step 900
900
#751C27
oklch(37.8% 0.122 18.7)
-
Step 950
950
#451217
oklch(27% 0.078 18.5)
#C9183C 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) | #544F3C | 0.228 |
| Deuteranopia (no green cones) | #7F7336 | 0.207 |
| Tritanopia (no blue cones) | #DD002A | 0.042 |
| Achromatopsia (no color) | #666666 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9183C
#C9183C
oklch(53.7% 0.204 18.7)
- #007E82
#007E82
oklch(53.9% 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 #C9183C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.014
- Ruby #CA0147 ΔE 0.021
- Lipstick Red #C0022F ΔE 0.027
- Rose Red #BE013C ΔE 0.030
- Lipstick #D5174E ΔE 0.033
- Crimson #DC143C ΔE 0.038
- Scarlet #BE0119 ΔE 0.042
- Dull Red #BB3F3F ΔE 0.048
Use #C9183C 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.