#C50533
Closest named color: Lipstick Red (#C0022F). oklch(52.2% 0.208 20), rgb(197, 5, 51).
Aa
White text reads best on this color (6.09:1).
About this color
#C50533 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.208 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.012 away. White text reads best on it, at 6.09:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Lipstick Red (#C0022F) |
| Black text | 3.44:1 |
| White text | 6.09:1 |
Values
| HEX | #C50533 |
| RGB | rgb(197, 5, 51) |
| HSL | hsl(346, 95%, 40%) |
| OKLCH | oklch(52.2% 0.208 20) |
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 #C50533 | 6.09:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #C50533 | 3.44:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #C50533 text on white | 6.09:1 | AA | Lc 77.9 | Fine for body text |
| #C50533 text on black | 3.44:1 | 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 700.
-
Step 50
50
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FDE3E2
oklch(93.7% 0.029 20.3)
-
Step 200
200
#FCCBCA
oklch(88.4% 0.056 19.6)
-
Step 300
300
#FBA6A6
oklch(80.9% 0.101 19.5)
-
Step 400
400
#F47176
oklch(70.6% 0.161 19.8)
-
Step 500
500
#EC4153
oklch(63.1% 0.206 19.9)
-
Step 600
600
#D70038
oklch(55.6% 0.223 19.8)
-
Step 700
700 (this color)
#C50533
oklch(52.2% 0.208 20)
-
Step 800
800
#970024
oklch(42.8% 0.172 20)
-
Step 900
900
#791422
oklch(37.7% 0.134 19.9)
-
Step 950
950
#470F14
oklch(26.9% 0.085 20.1)
#C50533 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) | #504A33 | 0.232 |
| Deuteranopia (no green cones) | #7B6F2C | 0.211 |
| Tritanopia (no blue cones) | #D9001F | 0.045 |
| Achromatopsia (no color) | #626262 | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C50533
#C50533
oklch(52.2% 0.208 20)
- #00797E
#00797E
oklch(52.4% 0.089 199.9)
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 #C50533, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick Red #C0022F ΔE 0.012
- Rose Red #BE013C ΔE 0.020
- Cherry #CF0234 ΔE 0.021
- Ruby #CA0147 ΔE 0.027
- Scarlet #BE0119 ΔE 0.028
- Firebrick #B22222 ΔE 0.044
- Lipstick #D5174E ΔE 0.047
- Crimson #DC143C ΔE 0.051
Use #C50533 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.