#CA3A41
Closest named color: Dull Red (#BB3F3F). oklch(56.4% 0.18 22.6), rgb(202, 58, 65).
Aa
White text reads best on this color (5.00:1).
About this color
#CA3A41 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.180 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.029 away. White text reads best on it, at 5.00:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.180) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #CA3A41 |
| RGB | rgb(202, 58, 65) |
| HSL | hsl(357, 58%, 51%) |
| OKLCH | oklch(56.4% 0.18 22.6) |
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 #CA3A41 | 5.00:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #CA3A41 | 4.19:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #CA3A41 text on white | 5.00:1 | AA | Lc 73.4 | Content text, not long reading |
| #CA3A41 text on black | 4.19:1 | AA large text | Lc -28.3 | 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
#F9E4E3
oklch(93.5% 0.023 20.9)
-
Step 200
200
#F6CECB
oklch(88.5% 0.046 23.1)
-
Step 300
300
#F1ACA8
oklch(80.9% 0.082 22.8)
-
Step 400
400
#E67E7B
oklch(70.7% 0.129 22.6)
-
Step 500
500
#DC5859
oklch(63.2% 0.166 22.7)
-
Step 600
600 (this color)
#CA3A41
oklch(56.4% 0.18 22.6)
-
Step 700
700
#AB2731
oklch(49% 0.168 22.3)
-
Step 800
800
#8B2329
oklch(42.6% 0.139 22.4)
-
Step 900
900
#702425
oklch(37.7% 0.108 23.1)
-
Step 950
950
#421616
oklch(27% 0.069 22.8)
#CA3A41 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) | #635C40 | 0.195 |
| Deuteranopia (no green cones) | #877B3D | 0.180 |
| Tritanopia (no blue cones) | #DE033E | 0.050 |
| Achromatopsia (no color) | #6F6F6F | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA3A41
#CA3A41
oklch(56.4% 0.18 22.6)
- #00868E
#00868E
oklch(56.5% 0.096 202.2)
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 #CA3A41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.029
- Faded Red #D3494E ΔE 0.034
- Dusty Red #B9484E ΔE 0.036
- Crimson #DC143C ΔE 0.043
- Dark Coral #CF524E ΔE 0.044
- Cherry #CF0234 ΔE 0.044
- Lipstick #D5174E ΔE 0.046
- Deep Rose #C74767 ΔE 0.048
Use #CA3A41 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.