#C10456
Closest named color: Ruby (#CA0147). oklch(52.2% 0.208 6.4), rgb(193, 4, 86).
Aa
White text reads best on this color (6.14:1).
About this color
#C10456 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.208 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.030 away. White text reads best on it, at 6.14:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.41:1 |
| White text | 6.14:1 |
Values
| HEX | #C10456 |
| RGB | rgb(193, 4, 86) |
| HSL | hsl(334, 96%, 39%) |
| OKLCH | oklch(52.2% 0.208 6.4) |
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 #C10456 | 6.14:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #C10456 | 3.41:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #C10456 text on white | 6.14:1 | AA | Lc 78.2 | Fine for body text |
| #C10456 text on black | 3.41:1 | AA large text | Lc -23.6 | 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FCE2E7
oklch(93.5% 0.029 4.5)
-
Step 200
200
#FBCBD3
oklch(88.6% 0.055 7)
-
Step 300
300
#F9A5B6
oklch(80.9% 0.101 6.3)
-
Step 400
400
#F17090
oklch(70.7% 0.161 6.6)
-
Step 500
500
#E84075
oklch(63.1% 0.206 6.6)
-
Step 600
600
#D3005E
oklch(55.6% 0.223 6.5)
-
Step 700
700 (this color)
#C10456
oklch(52.2% 0.208 6.4)
-
Step 800
800
#940040
oklch(42.8% 0.172 6.4)
-
Step 900
900
#771336
oklch(37.7% 0.135 6.4)
-
Step 950
950
#460F20
oklch(27% 0.084 6.2)
#C10456 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) | #474B57 | 0.237 |
| Deuteranopia (no green cones) | #746E52 | 0.213 |
| Tritanopia (no blue cones) | #D30032 | 0.062 |
| Achromatopsia (no color) | #626262 | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C10456
#C10456
oklch(52.2% 0.208 6.4)
- #007A72
#007A72
oklch(52.2% 0.091 186.8)
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 #C10456, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.030
- Rose Red #BE013C ΔE 0.036
- Raspberry #B00149 ΔE 0.040
- Lipstick #D5174E ΔE 0.050
- Lipstick Red #C0022F ΔE 0.052
- Dark Hot Pink #D90166 ΔE 0.053
- Cherry #CF0234 ΔE 0.056
- Rouge #AB1239 ΔE 0.060
Use #C10456 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.