#CF2437
Closest named color: Cherry (#CF0234). oklch(55.4% 0.203 22.2), rgb(207, 36, 55).
Aa
White text reads best on this color (5.30:1).
About this color
#CF2437 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.203 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.020 away. White text reads best on it, at 5.30:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.203) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.96:1 |
| White text | 5.30:1 |
Values
| HEX | #CF2437 |
| RGB | rgb(207, 36, 55) |
| HSL | hsl(353, 70%, 48%) |
| OKLCH | oklch(55.4% 0.203 22.2) |
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 #CF2437 | 5.30:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #CF2437 | 3.96:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #CF2437 text on white | 5.30:1 | AA | Lc 74.5 | Content text, not long reading |
| #CF2437 text on black | 3.96:1 | AA large text | Lc -27.2 | 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
#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
#F6A9A6
oklch(80.8% 0.091 21.8)
-
Step 400
400
#EE7876
oklch(70.8% 0.146 22.5)
-
Step 500
500
#E44D53
oklch(63% 0.187 22.1)
-
Step 600
600 (this color)
#CF2437
oklch(55.4% 0.203 22.2)
-
Step 700
700
#B3122A
oklch(49% 0.189 22.2)
-
Step 800
800
#921624
oklch(42.8% 0.157 22.1)
-
Step 900
900
#751D22
oklch(37.8% 0.122 22.3)
-
Step 950
950
#451314
oklch(27% 0.077 22.7)
#CF2437 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) | #5B5436 | 0.224 |
| Deuteranopia (no green cones) | #857831 | 0.204 |
| Tritanopia (no blue cones) | #E4002D | 0.040 |
| Achromatopsia (no color) | #6B6B6B | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF2437
#CF2437
oklch(55.4% 0.203 22.2)
- #00838A
#00838A
oklch(55.5% 0.094 201.4)
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 #CF2437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.020
- Crimson #DC143C ΔE 0.027
- Lipstick #D5174E ΔE 0.034
- Ruby #CA0147 ΔE 0.038
- Lipstick Red #C0022F ΔE 0.043
- Dull Red #BB3F3F ΔE 0.045
- Rose Red #BE013C ΔE 0.050
- Scarlet #BE0119 ΔE 0.051
Use #CF2437 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.