#A21D5E
Closest named color: Violet Red (#A50055). oklch(47.7% 0.174 357.1), rgb(162, 29, 94).
Aa
White text reads best on this color (7.30:1).
About this color
#A21D5E is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.174 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.021 away. White text reads best on it, at 7.30:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #A21D5E |
| RGB | rgb(162, 29, 94) |
| HSL | hsl(331, 70%, 37%) |
| OKLCH | oklch(47.7% 0.174 357.1) |
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 #A21D5E | 7.30:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #A21D5E | 2.87:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #A21D5E text on white | 7.30:1 | AAA | Lc 83.9 | Fine for body text |
| #A21D5E text on black | 2.87:1 | Fails | Lc -18.1 | 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
#FCF2F5
oklch(97% 0.011 357)
-
Step 100
100
#F8E3EA
oklch(93.5% 0.025 355.3)
-
Step 200
200
#F4CDD9
oklch(88.5% 0.046 357.6)
-
Step 300
300
#EEAAC1
oklch(80.9% 0.085 357.2)
-
Step 400
400
#E27AA2
oklch(70.7% 0.136 356.7)
-
Step 500
500
#D7548B
oklch(63.2% 0.173 357.1)
-
Step 600
600
#C23275
oklch(55.7% 0.188 357)
-
Step 700
700 (this color)
#A21D5E
oklch(47.7% 0.174 357.1)
-
Step 800
800
#872050
oklch(42.6% 0.144 356.9)
-
Step 900
900
#6D2142
oklch(37.6% 0.113 357.2)
-
Step 950
950
#401527
oklch(27% 0.071 356.8)
#A21D5E 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) | #3C4760 | 0.197 |
| Deuteranopia (no green cones) | #605F5B | 0.176 |
| Tritanopia (no blue cones) | #B0003B | 0.058 |
| Achromatopsia (no color) | #565656 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A21D5E
#A21D5E
oklch(47.7% 0.174 357.1)
- #006D5C
#006D5C
oklch(47.8% 0.089 176.9)
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 #A21D5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.021
- Deep Magenta #A0025C ΔE 0.021
- Dark Fuchsia #9D0759 ΔE 0.023
- Red Violet #9E0168 ΔE 0.034
- Berry #990F4B ΔE 0.036
- Raspberry #B00149 ΔE 0.042
- Purple Red #990147 ΔE 0.043
- Mulberry #920A4E ΔE 0.046
Use #A21D5E 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.