#CB203A
Closest named color: Cherry (#CF0234). oklch(54.5% 0.202 20.4), rgb(203, 32, 58).
Aa
White text reads best on this color (5.51:1).
About this color
#CB203A is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.202 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.015 away. White text reads best on it, at 5.51:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.202) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.80:1 |
| White text | 5.51:1 |
Values
| HEX | #CB203A |
| RGB | rgb(203, 32, 58) |
| HSL | hsl(351, 73%, 46%) |
| OKLCH | oklch(54.5% 0.202 20.4) |
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 #CB203A | 5.51:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #CB203A | 3.80:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #CB203A text on white | 5.51:1 | AA | Lc 75.7 | Fine for body text |
| #CB203A text on black | 3.80:1 | AA large text | Lc -26.1 | 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
#F9CDCB
oklch(88.6% 0.05 21.2)
-
Step 300
300
#F6A9A8
oklch(80.9% 0.091 20.1)
-
Step 400
400
#ED787A
oklch(70.7% 0.145 20.4)
-
Step 500
500
#E44D58
oklch(63.1% 0.186 20.2)
-
Step 600
600 (this color)
#CB203A
oklch(54.5% 0.202 20.4)
-
Step 700
700
#B3132F
oklch(49.2% 0.188 20.6)
-
Step 800
800
#911728
oklch(42.7% 0.155 20.4)
-
Step 900
900
#751D25
oklch(37.8% 0.121 20.4)
-
Step 950
950
#451316
oklch(27.1% 0.077 20.4)
#CB203A 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) | #585239 | 0.224 |
| Deuteranopia (no green cones) | #827534 | 0.203 |
| Tritanopia (no blue cones) | #DF002C | 0.040 |
| Achromatopsia (no color) | #696969 | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB203A
#CB203A
oklch(54.5% 0.202 20.4)
- #008086
#008086
oklch(54.5% 0.093 200.6)
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 #CB203A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.015
- Ruby #CA0147 ΔE 0.029
- Lipstick #D5174E ΔE 0.033
- Crimson #DC143C ΔE 0.033
- Lipstick Red #C0022F ΔE 0.034
- Rose Red #BE013C ΔE 0.039
- Dull Red #BB3F3F ΔE 0.044
- Scarlet #BE0119 ΔE 0.045
Use #CB203A 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.