#C9004C
Closest named color: Ruby (#CA0147). oklch(53.3% 0.213 11.5), rgb(201, 0, 76).
Aa
White text reads best on this color (5.85:1).
About this color
#C9004C is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.213 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.008 away. White text reads best on it, at 5.85:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.213) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #C9004C |
| RGB | rgb(201, 0, 76) |
| HSL | hsl(337, 100%, 39%) |
| OKLCH | oklch(53.3% 0.213 11.5) |
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 #C9004C | 5.85:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #C9004C | 3.58:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #C9004C text on white | 5.85:1 | AA | Lc 76.6 | Fine for body text |
| #C9004C text on black | 3.58:1 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FCE3E5
oklch(93.7% 0.028 12.1)
-
Step 200
200
#FACBD0
oklch(88.4% 0.054 11)
-
Step 300
300
#F8A7B1
oklch(81% 0.096 11.3)
-
Step 400
400
#EF7388
oklch(70.6% 0.153 11.3)
-
Step 500
500
#E6466A
oklch(63.1% 0.196 11.7)
-
Step 600
600 (this color)
#C9004C
oklch(53.3% 0.213 11.5)
-
Step 700
700
#B40043
oklch(49.1% 0.196 11.6)
-
Step 800
800
#930B37
oklch(42.8% 0.164 11.7)
-
Step 900
900
#761830
oklch(37.8% 0.128 11.4)
-
Step 950
950
#45101C
oklch(26.8% 0.081 11.1)
#C9004C 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) | #4D4D4D | 0.241 |
| Deuteranopia (no green cones) | #7B7247 | 0.219 |
| Tritanopia (no blue cones) | #DD002C | 0.058 |
| Achromatopsia (no color) | #656565 | 0.215 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9004C
#C9004C
oklch(53.3% 0.213 11.5)
- #007D7A
#007D7A
oklch(53.3% 0.092 191.8)
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 #C9004C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.008
- Lipstick #D5174E ΔE 0.030
- Rose Red #BE013C ΔE 0.030
- Cherry #CF0234 ΔE 0.034
- Lipstick Red #C0022F ΔE 0.040
- Dark Hot Pink #D90166 ΔE 0.048
- Crimson #DC143C ΔE 0.051
- Cerise #DE0C62 ΔE 0.052
Use #C9004C 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.