#CB273A
Closest named color: Cherry (#CF0234). oklch(54.9% 0.197 21.4), rgb(203, 39, 58).
Aa
White text reads best on this color (5.39:1).
About this color
#CB273A is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.197 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.021 away. White text reads best on it, at 5.39:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.197) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #CB273A |
| RGB | rgb(203, 39, 58) |
| HSL | hsl(353, 68%, 47%) |
| OKLCH | oklch(54.9% 0.197 21.4) |
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 #CB273A | 5.39:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #CB273A | 3.89:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #CB273A text on white | 5.39:1 | AA | Lc 75.2 | Fine for body text |
| #CB273A text on black | 3.89:1 | AA large text | Lc -26.5 | 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
#FDF2F2
oklch(97% 0.012 17.4)
-
Step 100
100
#FBE4E2
oklch(93.7% 0.025 23.6)
-
Step 200
200
#F8CDCB
oklch(88.5% 0.049 21.2)
-
Step 300
300
#F5AAA7
oklch(80.9% 0.089 21.8)
-
Step 400
400
#EC7979
oklch(70.7% 0.142 21.3)
-
Step 500
500
#E25057
oklch(63.1% 0.181 21.3)
-
Step 600
600 (this color)
#CB273A
oklch(54.9% 0.197 21.4)
-
Step 700
700
#B1192E
oklch(49.1% 0.183 21.4)
-
Step 800
800
#901A27
oklch(42.7% 0.152 21.4)
-
Step 900
900
#741E24
oklch(37.7% 0.119 21.3)
-
Step 950
950
#441415
oklch(27% 0.074 22.3)
#CB273A 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) | #5B5439 | 0.217 |
| Deuteranopia (no green cones) | #837734 | 0.199 |
| Tritanopia (no blue cones) | #DF0030 | 0.039 |
| Achromatopsia (no color) | #6A6A6A | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB273A
#CB273A
oklch(54.9% 0.197 21.4)
- #008188
#008188
oklch(54.9% 0.093 201.5)
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 #CB273A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.021
- Crimson #DC143C ΔE 0.033
- Ruby #CA0147 ΔE 0.035
- Lipstick #D5174E ΔE 0.035
- Lipstick Red #C0022F ΔE 0.039
- Dull Red #BB3F3F ΔE 0.039
- Rose Red #BE013C ΔE 0.045
- Scarlet #BE0119 ΔE 0.048
Use #CB273A 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.