#CC0251
Closest named color: Ruby (#CA0147). oklch(54.1% 0.215 10.2), rgb(204, 2, 81).
Aa
White text reads best on this color (5.68:1).
About this color
#CC0251 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.215 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.014 away. White text reads best on it, at 5.68:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.215) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.69:1 |
| White text | 5.68:1 |
Values
| HEX | #CC0251 |
| RGB | rgb(204, 2, 81) |
| HSL | hsl(337, 98%, 40%) |
| OKLCH | oklch(54.1% 0.215 10.2) |
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 #CC0251 | 5.68:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #CC0251 | 3.69:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #CC0251 text on white | 5.68:1 | AA | Lc 75.8 | Fine for body text |
| #CC0251 text on black | 3.69:1 | AA large text | Lc -25.9 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FCE3E5
oklch(93.7% 0.028 12.1)
-
Step 200
200
#FACBD1
oklch(88.4% 0.054 9.6)
-
Step 300
300
#F8A7B2
oklch(81% 0.096 10.5)
-
Step 400
400
#F0738A
oklch(70.8% 0.155 10.4)
-
Step 500
500
#E6456D
oklch(63.1% 0.198 10.3)
-
Step 600
600 (this color)
#CC0251
oklch(54.1% 0.215 10.2)
-
Step 700
700
#B40046
oklch(49.2% 0.197 10.4)
-
Step 800
800
#930839
oklch(42.7% 0.166 10.4)
-
Step 900
900
#761731
oklch(37.7% 0.129 10.5)
-
Step 950
950
#46101D
oklch(27.1% 0.082 10.3)
#CC0251 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) | #4E4F52 | 0.244 |
| Deuteranopia (no green cones) | #7D744C | 0.221 |
| Tritanopia (no blue cones) | #E0002F | 0.060 |
| Achromatopsia (no color) | #676767 | 0.217 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CC0251
#CC0251
oklch(54.1% 0.215 10.2)
- #00807B
#00807B
oklch(54.1% 0.093 190)
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 #CC0251, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.014
- Lipstick #D5174E ΔE 0.026
- Cherry #CF0234 ΔE 0.038
- Dark Hot Pink #D90166 ΔE 0.039
- Rose Red #BE013C ΔE 0.039
- Cerise #DE0C62 ΔE 0.043
- Crimson #DC143C ΔE 0.049
- Lipstick Red #C0022F ΔE 0.049
Use #CC0251 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.