#C52223
Closest named color: Scarlet (#BE0119). oklch(53.2% 0.197 27), rgb(197, 34, 35).
Aa
White text reads best on this color (5.78:1).
About this color
#C52223 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.197 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.029 away. White text reads best on it, at 5.78:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.197) |
| Temperature | warm |
| Nearest name | Scarlet (#BE0119) |
| Black text | 3.62:1 |
| White text | 5.78:1 |
Values
| HEX | #C52223 |
| RGB | rgb(197, 34, 35) |
| HSL | hsl(360, 71%, 45%) |
| OKLCH | oklch(53.2% 0.197 27) |
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 #C52223 | 5.78:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #C52223 | 3.62:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #C52223 text on white | 5.78:1 | AA | Lc 77.1 | Fine for body text |
| #C52223 text on black | 3.62:1 | AA large text | Lc -24.6 | 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 600.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F8CDC8
oklch(88.4% 0.049 25.9)
-
Step 300
300
#F5ABA2
oklch(81% 0.089 26.9)
-
Step 400
400
#EC7A6F
oklch(70.7% 0.143 27)
-
Step 500
500
#E25249
oklch(63.1% 0.181 27.1)
-
Step 600
600 (this color)
#C52223
oklch(53.2% 0.197 27)
-
Step 700
700
#B11C1D
oklch(49% 0.183 27.1)
-
Step 800
800
#901C1B
oklch(42.7% 0.152 26.9)
-
Step 900
900
#74201C
oklch(37.8% 0.118 27.1)
-
Step 950
950
#441411
oklch(26.9% 0.075 26.9)
#C52223 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) | #584F20 | 0.215 |
| Deuteranopia (no green cones) | #80721A | 0.195 |
| Tritanopia (no blue cones) | #D90025 | 0.040 |
| Achromatopsia (no color) | #656565 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C52223
#C52223
oklch(53.2% 0.197 27)
- #007B87
#007B87
oklch(53.3% 0.091 206.7)
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 #C52223, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Scarlet #BE0119 ΔE 0.029
- Lipstick Red #C0022F ΔE 0.032
- Cherry #CF0234 ΔE 0.032
- Firebrick #B22222 ΔE 0.039
- Dull Red #BB3F3F ΔE 0.040
- Rose Red #BE013C ΔE 0.045
- Sinopia #BB3E03 ΔE 0.048
- Rusty Red #AF2F0D ΔE 0.048
Use #C52223 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.