#C10B4E
Closest named color: Ruby (#CA0147). oklch(52.1% 0.204 9.9), rgb(193, 11, 78).
Aa
White text reads best on this color (6.13:1).
About this color
#C10B4E is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.204 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.021 away. White text reads best on it, at 6.13:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.204) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.42:1 |
| White text | 6.13:1 |
Values
| HEX | #C10B4E |
| RGB | rgb(193, 11, 78) |
| HSL | hsl(338, 89%, 40%) |
| OKLCH | oklch(52.1% 0.204 9.9) |
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 #C10B4E | 6.13:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #C10B4E | 3.42:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #C10B4E text on white | 6.13:1 | AA | Lc 78.3 | Fine for body text |
| #C10B4E text on black | 3.42:1 | AA large text | Lc -23.5 | 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 700.
-
Step 50
50
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FCE2E5
oklch(93.5% 0.029 9.7)
-
Step 200
200
#FBCBD1
oklch(88.5% 0.055 9.8)
-
Step 300
300
#F9A6B2
oklch(80.9% 0.099 10)
-
Step 400
400
#F1718A
oklch(70.7% 0.159 9.8)
-
Step 500
500
#E8426D
oklch(63.1% 0.203 10)
-
Step 600
600
#D30855
oklch(55.6% 0.22 10.1)
-
Step 700
700 (this color)
#C10B4E
oklch(52.1% 0.204 9.9)
-
Step 800
800
#940339
oklch(42.7% 0.169 10.2)
-
Step 900
900
#771531
oklch(37.7% 0.132 10.2)
-
Step 950
950
#460F1D
oklch(26.9% 0.084 9.7)
#C10B4E 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) | #4A4B4F | 0.232 |
| Deuteranopia (no green cones) | #766E4A | 0.209 |
| Tritanopia (no blue cones) | #D4002F | 0.056 |
| Achromatopsia (no color) | #626262 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C10B4E
#C10B4E
oklch(52.1% 0.204 9.9)
- #007A75
#007A75
oklch(52.3% 0.09 189.8)
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 #C10B4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.021
- Rose Red #BE013C ΔE 0.024
- Raspberry #B00149 ΔE 0.038
- Lipstick Red #C0022F ΔE 0.039
- Lipstick #D5174E ΔE 0.045
- Cherry #CF0234 ΔE 0.045
- Rouge #AB1239 ΔE 0.053
- Dark Hot Pink #D90166 ΔE 0.058
Use #C10B4E 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.