#C10840
Closest named color: Rose Red (#BE013C). oklch(51.8% 0.204 15.2), rgb(193, 8, 64).
Aa
White text reads best on this color (6.21:1).
About this color
#C10840 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.204 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Rose Red (#BE013C), ΔE 0.009 away. White text reads best on it, at 6.21:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.204) |
| Temperature | warm |
| Nearest name | Rose Red (#BE013C) |
| Black text | 3.37:1 |
| White text | 6.21:1 |
Values
| HEX | #C10840 |
| RGB | rgb(193, 8, 64) |
| HSL | hsl(342, 92%, 39%) |
| OKLCH | oklch(51.8% 0.204 15.2) |
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 #C10840 | 6.21:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #C10840 | 3.37:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #C10840 text on white | 6.21:1 | AA | Lc 78.6 | Fine for body text |
| #C10840 text on black | 3.37:1 | AA large text | Lc -23.2 | 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 700.
-
Step 50
50
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FDE3E4
oklch(93.7% 0.029 15)
-
Step 200
200
#FBCBCD
oklch(88.4% 0.055 15.4)
-
Step 300
300
#FAA6AC
oklch(80.9% 0.1 14.8)
-
Step 400
400
#F27280
oklch(70.7% 0.158 15.2)
-
Step 500
500
#E94360
oklch(63.1% 0.201 15.3)
-
Step 600
600
#D40947
oklch(55.5% 0.219 15.2)
-
Step 700
700 (this color)
#C10840
oklch(51.8% 0.204 15.2)
-
Step 800
800
#95032F
oklch(42.7% 0.169 15.3)
-
Step 900
900
#78152A
oklch(37.8% 0.132 15.1)
-
Step 950
950
#471019
oklch(27.2% 0.083 15.3)
#C10840 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) | #4D4A40 | 0.229 |
| Deuteranopia (no green cones) | #786D3B | 0.207 |
| Tritanopia (no blue cones) | #D40026 | 0.049 |
| Achromatopsia (no color) | #616161 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C10840
#C10840
oklch(51.8% 0.204 15.2)
- #007878
#007878
oklch(51.9% 0.089 194.8)
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 #C10840, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rose Red #BE013C ΔE 0.009
- Ruby #CA0147 ΔE 0.020
- Lipstick Red #C0022F ΔE 0.020
- Cherry #CF0234 ΔE 0.033
- Scarlet #BE0119 ΔE 0.040
- Raspberry #B00149 ΔE 0.041
- Rouge #AB1239 ΔE 0.046
- Lipstick #D5174E ΔE 0.047
Use #C10840 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.