#CA1D45
Closest named color: Ruby (#CA0147). oklch(54.3% 0.203 16.1), rgb(202, 29, 69).
Aa
White text reads best on this color (5.56:1).
About this color
#CA1D45 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.203 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.017 away. White text reads best on it, at 5.56:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.203) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.77:1 |
| White text | 5.56:1 |
Values
| HEX | #CA1D45 |
| RGB | rgb(202, 29, 69) |
| HSL | hsl(346, 75%, 45%) |
| OKLCH | oklch(54.3% 0.203 16.1) |
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 #CA1D45 | 5.56:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #CA1D45 | 3.77:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #CA1D45 text on white | 5.56:1 | AA | Lc 75.9 | Fine for body text |
| #CA1D45 text on black | 3.77:1 | AA large text | Lc -25.8 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FBE3E4
oklch(93.6% 0.026 14.7)
-
Step 200
200
#F9CCCE
oklch(88.5% 0.051 15.2)
-
Step 300
300
#F6A9AC
oklch(81% 0.091 16.7)
-
Step 400
400
#ED7781
oklch(70.7% 0.146 16.2)
-
Step 500
500
#E34C62
oklch(63% 0.186 15.9)
-
Step 600
600 (this color)
#CA1D45
oklch(54.3% 0.203 16.1)
-
Step 700
700
#B2113A
oklch(49.1% 0.188 16.1)
-
Step 800
800
#911530
oklch(42.7% 0.156 16.2)
-
Step 900
900
#741C2B
oklch(37.7% 0.121 15.7)
-
Step 950
950
#451219
oklch(27% 0.078 16.1)
#CA1D45 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) | #555145 | 0.226 |
| Deuteranopia (no green cones) | #7F7540 | 0.207 |
| Tritanopia (no blue cones) | #DE0030 | 0.044 |
| Achromatopsia (no color) | #686868 | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA1D45
#CA1D45
oklch(54.3% 0.203 16.1)
- #008081
#008081
oklch(54.4% 0.093 195.7)
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 #CA1D45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.017
- Cherry #CF0234 ΔE 0.021
- Lipstick #D5174E ΔE 0.025
- Rose Red #BE013C ΔE 0.034
- Lipstick Red #C0022F ΔE 0.036
- Crimson #DC143C ΔE 0.037
- Dull Red #BB3F3F ΔE 0.050
- Scarlet #BE0119 ΔE 0.052
Use #CA1D45 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.