#C10D56
Closest named color: Ruby (#CA0147). oklch(52.4% 0.205 6.8), rgb(193, 13, 86).
Aa
White text reads best on this color (6.07:1).
About this color
#C10D56 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.205 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.028 away. White text reads best on it, at 6.07:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.205) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.45:1 |
| White text | 6.07:1 |
Values
| HEX | #C10D56 |
| RGB | rgb(193, 13, 86) |
| HSL | hsl(336, 87%, 40%) |
| OKLCH | oklch(52.4% 0.205 6.8) |
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 #C10D56 | 6.07:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #C10D56 | 3.45:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #C10D56 text on white | 6.07:1 | AA | Lc 78.1 | Fine for body text |
| #C10D56 text on black | 3.45:1 | AA large text | Lc -23.7 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FBE3E7
oklch(93.6% 0.027 6.2)
-
Step 200
200
#F8CCD3
oklch(88.5% 0.05 7.4)
-
Step 300
300
#F5A8B7
oklch(81% 0.092 6.5)
-
Step 400
400
#EB7591
oklch(70.6% 0.148 6.6)
-
Step 500
500
#E14B76
oklch(63.1% 0.188 6.9)
-
Step 600
600 (this color)
#C10D56
oklch(52.4% 0.205 6.8)
-
Step 700
700
#B00E4E
oklch(49% 0.19 6.9)
-
Step 800
800
#8F1440
oklch(42.7% 0.157 7)
-
Step 900
900
#731B36
oklch(37.7% 0.123 7.1)
-
Step 950
950
#441220
oklch(27% 0.078 6.9)
#C10D56 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) | #494D57 | 0.232 |
| Deuteranopia (no green cones) | #756E52 | 0.209 |
| Tritanopia (no blue cones) | #D30033 | 0.060 |
| Achromatopsia (no color) | #626262 | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C10D56
#C10D56
oklch(52.4% 0.205 6.8)
- #007B73
#007B73
oklch(52.5% 0.092 186.9)
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 #C10D56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.028
- Rose Red #BE013C ΔE 0.036
- Raspberry #B00149 ΔE 0.041
- Lipstick #D5174E ΔE 0.047
- Lipstick Red #C0022F ΔE 0.051
- Dark Hot Pink #D90166 ΔE 0.052
- Cherry #CF0234 ΔE 0.054
- Rouge #AB1239 ΔE 0.060
Use #C10D56 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.