#C5102C
Closest named color: Lipstick Red (#C0022F). oklch(52.4% 0.205 22.7), rgb(197, 16, 44).
Aa
White text reads best on this color (6.02:1).
About this color
#C5102C is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.205 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.015 away. White text reads best on it, at 6.02:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.205) |
| Temperature | warm |
| Nearest name | Lipstick Red (#C0022F) |
| Black text | 3.48:1 |
| White text | 6.02:1 |
Values
| HEX | #C5102C |
| RGB | rgb(197, 16, 44) |
| HSL | hsl(351, 85%, 42%) |
| OKLCH | oklch(52.4% 0.205 22.7) |
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 #C5102C | 6.02:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #C5102C | 3.48:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #C5102C text on white | 6.02:1 | AA | Lc 77.8 | Fine for body text |
| #C5102C text on black | 3.48:1 | AA large text | Lc -23.9 | 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
#FBE3E2
oklch(93.5% 0.026 20.5)
-
Step 200
200
#FACDCA
oklch(88.6% 0.051 22.6)
-
Step 300
300
#F7A9A5
oklch(80.9% 0.093 22.6)
-
Step 400
400
#EE7775
oklch(70.6% 0.147 22.5)
-
Step 500
500
#E54C51
oklch(63% 0.189 22.6)
-
Step 600
600 (this color)
#C5102C
oklch(52.4% 0.205 22.7)
-
Step 700
700
#B41028
oklch(49.1% 0.191 22.7)
-
Step 800
800
#921522
oklch(42.7% 0.158 22.8)
-
Step 900
900
#751C21
oklch(37.6% 0.123 22.5)
-
Step 950
950
#451214
oklch(26.9% 0.078 21.9)
#C5102C 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) | #524B2B | 0.228 |
| Deuteranopia (no green cones) | #7D7024 | 0.206 |
| Tritanopia (no blue cones) | #D9001F | 0.041 |
| Achromatopsia (no color) | #636363 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5102C
#C5102C
oklch(52.4% 0.205 22.7)
- #007981
#007981
oklch(52.5% 0.089 202.9)
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 #C5102C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick Red #C0022F ΔE 0.015
- Cherry #CF0234 ΔE 0.022
- Scarlet #BE0119 ΔE 0.023
- Rose Red #BE013C ΔE 0.029
- Ruby #CA0147 ΔE 0.036
- Firebrick #B22222 ΔE 0.040
- Dull Red #BB3F3F ΔE 0.049
- Crimson #DC143C ΔE 0.051
Use #C5102C 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.