#CB1724
Closest named color: Cherry (#CF0234). oklch(53.8% 0.208 25.6), rgb(203, 23, 36).
Aa
White text reads best on this color (5.69:1).
About this color
#CB1724 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.208 and its hue 26°. 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 5.69:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.68:1 |
| White text | 5.69:1 |
Values
| HEX | #CB1724 |
| RGB | rgb(203, 23, 36) |
| HSL | hsl(356, 80%, 44%) |
| OKLCH | oklch(53.8% 0.208 25.6) |
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 #CB1724 | 5.69:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #CB1724 | 3.68:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #CB1724 text on white | 5.69:1 | AA | Lc 76.3 | Fine for body text |
| #CB1724 text on black | 3.68:1 | AA large text | Lc -25.4 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E1
oklch(93.6% 0.028 23.2)
-
Step 200
200
#FACDC8
oklch(88.6% 0.052 25.6)
-
Step 300
300
#F7A9A1
oklch(80.8% 0.093 25.8)
-
Step 400
400
#EF776F
oklch(70.6% 0.149 25.5)
-
Step 500
500
#E64C48
oklch(63.1% 0.191 25.8)
-
Step 600
600 (this color)
#CB1724
oklch(53.8% 0.208 25.6)
-
Step 700
700
#B50D1D
oklch(49.1% 0.194 25.5)
-
Step 800
800
#93141A
oklch(42.7% 0.16 25.7)
-
Step 900
900
#761C1B
oklch(37.7% 0.125 26)
-
Step 950
950
#461211
oklch(27% 0.08 25.2)
#CB1724 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) | #574E22 | 0.229 |
| Deuteranopia (no green cones) | #82741A | 0.207 |
| Tritanopia (no blue cones) | #E00020 | 0.041 |
| Achromatopsia (no color) | #676767 | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB1724
#CB1724
oklch(53.8% 0.208 25.6)
- #007D88
#007D88
oklch(53.8% 0.092 205.6)
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 #CB1724, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.021
- Lipstick Red #C0022F ΔE 0.032
- Scarlet #BE0119 ΔE 0.033
- Crimson #DC143C ΔE 0.042
- Ruby #CA0147 ΔE 0.045
- Rose Red #BE013C ΔE 0.045
- Dull Red #BB3F3F ΔE 0.049
- Firebrick #B22222 ΔE 0.050
Use #CB1724 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.