#CB2527
Closest named color: Cherry (#CF0234). oklch(54.6% 0.2 26.6), rgb(203, 37, 39).
Aa
White text reads best on this color (5.47:1).
About this color
#CB2527 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.200 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.028 away. White text reads best on it, at 5.47:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.200) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #CB2527 |
| RGB | rgb(203, 37, 39) |
| HSL | hsl(359, 69%, 47%) |
| OKLCH | oklch(54.6% 0.2 26.6) |
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 #CB2527 | 5.47:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #CB2527 | 3.83:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #CB2527 text on white | 5.47:1 | AA | Lc 75.5 | Fine for body text |
| #CB2527 text on black | 3.83:1 | AA large text | Lc -26.2 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F9CDC8
oklch(88.5% 0.05 25.7)
-
Step 300
300
#F6AAA2
oklch(80.9% 0.091 25.9)
-
Step 400
400
#ED796F
oklch(70.7% 0.145 26.4)
-
Step 500
500
#E35049
oklch(63% 0.184 26.5)
-
Step 600
600 (this color)
#CB2527
oklch(54.6% 0.2 26.6)
-
Step 700
700
#B2181D
oklch(49% 0.186 26.6)
-
Step 800
800
#911A1A
oklch(42.7% 0.154 26.8)
-
Step 900
900
#741E1C
oklch(37.6% 0.12 26.2)
-
Step 950
950
#451411
oklch(27.1% 0.076 26.9)
#CB2527 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) | #5C5225 | 0.217 |
| Deuteranopia (no green cones) | #84761F | 0.198 |
| Tritanopia (no blue cones) | #E00029 | 0.041 |
| Achromatopsia (no color) | #696969 | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB2527
#CB2527
oklch(54.6% 0.2 26.6)
- #007F8B
#007F8B
oklch(54.5% 0.093 206.4)
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 #CB2527, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.028
- Lipstick Red #C0022F ΔE 0.041
- Scarlet #BE0119 ΔE 0.041
- Dull Red #BB3F3F ΔE 0.041
- Crimson #DC143C ΔE 0.041
- Ruby #CA0147 ΔE 0.050
- Sinopia #BB3E03 ΔE 0.051
- Lipstick #D5174E ΔE 0.052
Use #CB2527 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.