#CA1781
Closest named color: Medium Violet Red (#C71585). oklch(55.8% 0.221 352), rgb(202, 23, 129).
Aa
White text reads best on this color (5.31:1).
About this color
#CA1781 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.221 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.010 away. White text reads best on it, at 5.31:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.221) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.95:1 |
| White text | 5.31:1 |
Values
| HEX | #CA1781 |
| RGB | rgb(202, 23, 129) |
| HSL | hsl(324, 80%, 44%) |
| OKLCH | oklch(55.8% 0.221 352) |
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 #CA1781 | 5.31:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #CA1781 | 3.95:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #CA1781 text on white | 5.31:1 | AA | Lc 74.5 | Content text, not long reading |
| #CA1781 text on black | 3.95:1 | AA large text | Lc -27.3 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FAE2EC
oklch(93.5% 0.029 350.5)
-
Step 200
200
#F7CBDD
oklch(88.5% 0.055 351.8)
-
Step 300
300
#F3A6C7
oklch(80.9% 0.099 352.2)
-
Step 400
400
#E972AB
oklch(70.7% 0.159 351.9)
-
Step 500
500
#DE4596
oklch(63% 0.203 352)
-
Step 600
600 (this color)
#CA1781
oklch(55.8% 0.221 352)
-
Step 700
700
#AD006C
oklch(49.1% 0.203 352.2)
-
Step 800
800
#8D0B58
oklch(42.7% 0.17 352.3)
-
Step 900
900
#711749
oklch(37.6% 0.133 351.6)
-
Step 950
950
#43102B
oklch(27% 0.084 351.6)
#CA1781 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) | #425783 | 0.251 |
| Deuteranopia (no green cones) | #74767D | 0.219 |
| Tritanopia (no blue cones) | #DA004E | 0.083 |
| Achromatopsia (no color) | #6B6B6B | 0.223 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA1781
#CA1781
oklch(55.8% 0.221 352)
- #00886C
#00886C
oklch(55.8% 0.109 171.6)
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 #CA1781, closest first.
No curated palette has a color within ΔE 0.04 of #CA1781.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.010
- Dark Hot Pink #D90166 ΔE 0.052
- Cerise #DE0C62 ΔE 0.064
- Dark Pink #CB416B ΔE 0.070
- Lipstick #D5174E ΔE 0.082
- Deep Rose #C74767 ΔE 0.082
- Ruby #CA0147 ΔE 0.085
- Purpley Pink #C83CB9 ΔE 0.088
Use #CA1781 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.