#CD0543
Closest named color: Ruby (#CA0147). oklch(54% 0.214 15.5), rgb(205, 5, 67).
Aa
White text reads best on this color (5.67:1).
About this color
#CD0543 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.214 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.010 away. White text reads best on it, at 5.67:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.214) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.69:1 |
| White text | 5.67:1 |
Values
| HEX | #CD0543 |
| RGB | rgb(205, 5, 67) |
| HSL | hsl(341, 95%, 41%) |
| OKLCH | oklch(54% 0.214 15.5) |
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 #CD0543 | 5.67:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #CD0543 | 3.69:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #CD0543 text on white | 5.67:1 | AA | Lc 75.8 | Fine for body text |
| #CD0543 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E4
oklch(93.6% 0.028 14.9)
-
Step 200
200
#FBCBCD
oklch(88.4% 0.055 15.4)
-
Step 300
300
#F8A7AC
oklch(80.8% 0.096 15.4)
-
Step 400
400
#F17380
oklch(70.7% 0.155 15.5)
-
Step 500
500
#E74661
oklch(63.1% 0.197 15.3)
-
Step 600
600 (this color)
#CD0543
oklch(54% 0.214 15.5)
-
Step 700
700
#B5003A
oklch(49.1% 0.196 15.4)
-
Step 800
800
#940A2F
oklch(42.8% 0.165 15.7)
-
Step 900
900
#77172A
oklch(37.7% 0.129 15.4)
-
Step 950
950
#461019
oklch(27% 0.082 15)
#CD0543 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) | #514E43 | 0.242 |
| Deuteranopia (no green cones) | #7F743D | 0.219 |
| Tritanopia (no blue cones) | #E10028 | 0.051 |
| Achromatopsia (no color) | #676767 | 0.216 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CD0543
#CD0543
oklch(54% 0.214 15.5)
- #007F80
#007F80
oklch(54% 0.092 195.7)
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 #CD0543, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.010
- Cherry #CF0234 ΔE 0.018
- Lipstick #D5174E ΔE 0.023
- Rose Red #BE013C ΔE 0.033
- Lipstick Red #C0022F ΔE 0.036
- Crimson #DC143C ΔE 0.036
- Scarlet #BE0119 ΔE 0.053
- Cerise #DE0C62 ΔE 0.053
Use #CD0543 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.