#CA3F42
Closest named color: Faded Red (#D3494E). oklch(57% 0.176 23.5), rgb(202, 63, 66).
Aa
White text reads best on this color (4.88:1).
About this color
#CA3F42 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.176 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Faded Red (#D3494E), ΔE 0.028 away. White text reads best on it, at 4.88:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Faded Red (#D3494E) |
| Black text | 4.30:1 |
| White text | 4.88:1 |
Values
| HEX | #CA3F42 |
| RGB | rgb(202, 63, 66) |
| HSL | hsl(359, 57%, 52%) |
| OKLCH | oklch(57% 0.176 23.5) |
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 #CA3F42 | 4.88:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #CA3F42 | 4.30:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #CA3F42 text on white | 4.88:1 | AA | Lc 72.7 | Content text, not long reading |
| #CA3F42 text on black | 4.30:1 | AA large text | Lc -29.0 | 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
#F5CFCB
oklch(88.6% 0.043 25.1)
-
Step 300
300
#F0ADA8
oklch(80.9% 0.08 23.8)
-
Step 400
400
#E57F7A
oklch(70.8% 0.127 23.7)
-
Step 500
500
#DA5A58
oklch(63.1% 0.162 23.8)
-
Step 600
600 (this color)
#CA3F42
oklch(57% 0.176 23.5)
-
Step 700
700
#AA2B30
oklch(49.1% 0.163 23.7)
-
Step 800
800
#8A2629
oklch(42.7% 0.135 23.4)
-
Step 900
900
#6F2525
oklch(37.7% 0.105 23.6)
-
Step 950
950
#411716
oklch(27% 0.066 23.9)
#CA3F42 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) | #655E41 | 0.190 |
| Deuteranopia (no green cones) | #887C3E | 0.174 |
| Tritanopia (no blue cones) | #DE1642 | 0.051 |
| Achromatopsia (no color) | #717171 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA3F42
#CA3F42
oklch(57% 0.176 23.5)
- #008891
#008891
oklch(57.1% 0.097 203)
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 #CA3F42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Red #D3494E ΔE 0.028
- Dull Red #BB3F3F ΔE 0.030
- Dusty Red #B9484E ΔE 0.034
- Dark Coral #CF524E ΔE 0.036
- Deep Rose #C74767 ΔE 0.047
- Crimson #DC143C ΔE 0.048
- Dark Rose #B5485D ΔE 0.051
- Cherry #CF0234 ΔE 0.051
Use #CA3F42 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.