#CA2A37
Closest named color: Cherry (#CF0234). oklch(54.9% 0.195 22.8), rgb(202, 42, 55).
Aa
White text reads best on this color (5.38:1).
About this color
#CA2A37 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.195 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.025 away. White text reads best on it, at 5.38:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.195) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.89:1 |
| White text | 5.38:1 |
Values
| HEX | #CA2A37 |
| RGB | rgb(202, 42, 55) |
| HSL | hsl(355, 66%, 48%) |
| OKLCH | oklch(54.9% 0.195 22.8) |
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 #CA2A37 | 5.38:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #CA2A37 | 3.89:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #CA2A37 text on white | 5.38:1 | AA | Lc 75.2 | Fine for body text |
| #CA2A37 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FBE4E2
oklch(93.7% 0.025 23.6)
-
Step 200
200
#F8CDCA
oklch(88.4% 0.049 22.8)
-
Step 300
300
#F4ABA6
oklch(81% 0.087 23.5)
-
Step 400
400
#EB7A77
oklch(70.7% 0.14 22.8)
-
Step 500
500
#E15254
oklch(63.1% 0.178 23)
-
Step 600
600 (this color)
#CA2A37
oklch(54.9% 0.195 22.8)
-
Step 700
700
#B01C2B
oklch(49% 0.181 22.8)
-
Step 800
800
#8F1C25
oklch(42.7% 0.15 22.7)
-
Step 900
900
#731F23
oklch(37.6% 0.117 22.3)
-
Step 950
950
#441415
oklch(27% 0.074 22.3)
#CA2A37 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) | #5C5436 | 0.213 |
| Deuteranopia (no green cones) | #837631 | 0.194 |
| Tritanopia (no blue cones) | #DE0031 | 0.040 |
| Achromatopsia (no color) | #6A6A6A | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA2A37
#CA2A37
oklch(54.9% 0.195 22.8)
- #008189
#008189
oklch(54.9% 0.093 202.5)
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 #CA2A37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.025
- Dull Red #BB3F3F ΔE 0.035
- Crimson #DC143C ΔE 0.036
- Lipstick Red #C0022F ΔE 0.040
- Ruby #CA0147 ΔE 0.040
- Lipstick #D5174E ΔE 0.041
- Scarlet #BE0119 ΔE 0.047
- Rose Red #BE013C ΔE 0.047
Use #CA2A37 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.