#A21564
Closest named color: Deep Magenta (#A0025C). oklch(47.5% 0.183 353.5), rgb(162, 21, 100).
Aa
White text reads best on this color (7.42:1).
About this color
#A21564 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.183 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Magenta (#A0025C), ΔE 0.016 away. White text reads best on it, at 7.42:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.183) |
| Temperature | warm |
| Nearest name | Deep Magenta (#A0025C) |
| Black text | 2.82:1 |
| White text | 7.42:1 |
Values
| HEX | #A21564 |
| RGB | rgb(162, 21, 100) |
| HSL | hsl(326, 77%, 36%) |
| OKLCH | oklch(47.5% 0.183 353.5) |
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 #A21564 | 7.42:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #A21564 | 2.82:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #A21564 text on white | 7.42:1 | AAA | Lc 84.1 | Fine for body text |
| #A21564 text on black | 2.82:1 | Fails | Lc -17.9 | 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 700.
-
Step 50
50
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F9E3EB
oklch(93.6% 0.026 353.5)
-
Step 200
200
#F5CCDC
oklch(88.5% 0.05 352.8)
-
Step 300
300
#EFA9C5
oklch(80.9% 0.089 353.6)
-
Step 400
400
#E378A7
oklch(70.6% 0.142 353.6)
-
Step 500
500
#D85092
oklch(63.1% 0.182 353.5)
-
Step 600
600
#C32D7C
oklch(55.7% 0.197 353.6)
-
Step 700
700 (this color)
#A21564
oklch(47.5% 0.183 353.5)
-
Step 800
800
#881C55
oklch(42.7% 0.151 353.6)
-
Step 900
900
#6E1F46
oklch(37.7% 0.118 353.9)
-
Step 950
950
#411429
oklch(27.1% 0.074 354.2)
#A21564 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) | #364566 | 0.208 |
| Deuteranopia (no green cones) | #5D5E61 | 0.183 |
| Tritanopia (no blue cones) | #AF003C | 0.066 |
| Achromatopsia (no color) | #555555 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A21564
#A21564
oklch(47.5% 0.183 353.5)
- #006C58
#006C58
oklch(47.4% 0.09 174)
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 #A21564, closest first.
No curated palette has a color within ΔE 0.04 of #A21564.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Magenta #A0025C ΔE 0.016
- Red Violet #9E0168 ΔE 0.020
- Dark Fuchsia #9D0759 ΔE 0.021
- Violet Red #A50055 ΔE 0.024
- Berry #990F4B ΔE 0.043
- Mulberry #920A4E ΔE 0.048
- Purple Red #990147 ΔE 0.049
- Raspberry #B00149 ΔE 0.051
Use #A21564 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.