#CD0451
Closest named color: Ruby (#CA0147). oklch(54.3% 0.216 10.5), rgb(205, 4, 81).
Aa
White text reads best on this color (5.62:1).
About this color
#CD0451 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.216 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.015 away. White text reads best on it, at 5.62:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.216) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #CD0451 |
| RGB | rgb(205, 4, 81) |
| HSL | hsl(337, 96%, 41%) |
| OKLCH | oklch(54.3% 0.216 10.5) |
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 #CD0451 | 5.62:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #CD0451 | 3.73:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #CD0451 text on white | 5.62:1 | AA | Lc 75.6 | Fine for body text |
| #CD0451 text on black | 3.73:1 | AA large text | Lc -26.2 | 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
#F07389
oklch(70.8% 0.155 10.9)
-
Step 500
500
#E7456D
oklch(63.2% 0.199 10.4)
-
Step 600
600 (this color)
#CD0451
oklch(54.3% 0.216 10.5)
-
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)
#CD0451 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) | #4F4F52 | 0.244 |
| Deuteranopia (no green cones) | #7D744C | 0.220 |
| Tritanopia (no blue cones) | #E1002F | 0.060 |
| Achromatopsia (no color) | #676767 | 0.218 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CD0451
#CD0451
oklch(54.3% 0.216 10.5)
- #00807C
#00807C
oklch(54.2% 0.093 190.9)
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 #CD0451, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.015
- Lipstick #D5174E ΔE 0.023
- Dark Hot Pink #D90166 ΔE 0.037
- Cherry #CF0234 ΔE 0.037
- Rose Red #BE013C ΔE 0.041
- Cerise #DE0C62 ΔE 0.041
- Crimson #DC143C ΔE 0.047
- Lipstick Red #C0022F ΔE 0.050
Use #CD0451 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.