#CB1C33
Closest named color: Cherry (#CF0234). oklch(54.2% 0.204 22.1), rgb(203, 28, 51).
Aa
White text reads best on this color (5.59:1).
About this color
#CB1C33 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.204 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.014 away. White text reads best on it, at 5.59:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.204) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #CB1C33 |
| RGB | rgb(203, 28, 51) |
| HSL | hsl(352, 76%, 45%) |
| OKLCH | oklch(54.2% 0.204 22.1) |
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 #CB1C33 | 5.59:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #CB1C33 | 3.75:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #CB1C33 text on white | 5.59:1 | AA | Lc 76.0 | Fine for body text |
| #CB1C33 text on black | 3.75:1 | AA large text | Lc -25.8 | 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
#F9CDCA
oklch(88.5% 0.05 22.7)
-
Step 300
300
#F7A9A6
oklch(80.9% 0.093 21.8)
-
Step 400
400
#EE7776
oklch(70.6% 0.147 22)
-
Step 500
500
#E54D53
oklch(63.2% 0.188 22.1)
-
Step 600
600 (this color)
#CB1C33
oklch(54.2% 0.204 22.1)
-
Step 700
700
#B4102A
oklch(49.2% 0.191 22)
-
Step 800
800
#921524
oklch(42.7% 0.158 21.9)
-
Step 900
900
#751C22
oklch(37.7% 0.123 21.9)
-
Step 950
950
#451314
oklch(27% 0.077 22.7)
#CB1C33 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) | #575032 | 0.227 |
| Deuteranopia (no green cones) | #82752C | 0.206 |
| Tritanopia (no blue cones) | #E00028 | 0.041 |
| Achromatopsia (no color) | #686868 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB1C33
#CB1C33
oklch(54.2% 0.204 22.1)
- #007F86
#007F86
oklch(54.3% 0.092 201.6)
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 #CB1C33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.014
- Lipstick Red #C0022F ΔE 0.031
- Ruby #CA0147 ΔE 0.033
- Crimson #DC143C ΔE 0.035
- Lipstick #D5174E ΔE 0.039
- Rose Red #BE013C ΔE 0.039
- Scarlet #BE0119 ΔE 0.039
- Dull Red #BB3F3F ΔE 0.045
Use #CB1C33 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.