#A21C6E
Closest named color: Red Violet (#9E0168). oklch(48.3% 0.183 349.2), rgb(162, 28, 110).
Aa
White text reads best on this color (7.17:1).
About this color
#A21C6E is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.183 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.023 away. White text reads best on it, at 7.17:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.183) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.92:1 |
| White text | 7.17:1 |
Values
| HEX | #A21C6E |
| RGB | rgb(162, 28, 110) |
| HSL | hsl(323, 71%, 37%) |
| OKLCH | oklch(48.3% 0.183 349.2) |
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 #A21C6E | 7.17:1 | AAA | Lc -88.4 | Fine for body text |
| Black text on #A21C6E | 2.92:1 | Fails | Lc 20.7 | Dividers and decoration only |
| #A21C6E text on white | 7.17:1 | AAA | Lc 83.4 | Fine for body text |
| #A21C6E text on black | 2.92:1 | Fails | Lc -18.6 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F8E3EC
oklch(93.5% 0.026 349.8)
-
Step 200
200
#F3CDDE
oklch(88.5% 0.048 349.4)
-
Step 300
300
#EDA9C9
oklch(80.8% 0.089 349.5)
-
Step 400
400
#E079AE
oklch(70.6% 0.141 349.2)
-
Step 500
500
#D4529A
oklch(63.1% 0.18 349.2)
-
Step 600
600
#C02F85
oklch(55.7% 0.197 349.2)
-
Step 700
700 (this color)
#A21C6E
oklch(48.3% 0.183 349.2)
-
Step 800
800
#861E5C
oklch(42.8% 0.151 349)
-
Step 900
900
#6C204B
oklch(37.7% 0.118 349.3)
-
Step 950
950
#40142C
oklch(27.1% 0.075 349.5)
#A21C6E 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) | #354970 | 0.206 |
| Deuteranopia (no green cones) | #5C606B | 0.180 |
| Tritanopia (no blue cones) | #AE1144 | 0.070 |
| Achromatopsia (no color) | #575757 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A21C6E
#A21C6E
oklch(48.3% 0.183 349.2)
- #006F55
#006F55
oklch(48.2% 0.096 169.4)
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 #A21C6E, closest first.
No curated palette has a color within ΔE 0.04 of #A21C6E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.023
- Deep Magenta #A0025C ΔE 0.031
- Dark Fuchsia #9D0759 ΔE 0.036
- Violet Red #A50055 ΔE 0.040
- Berry #990F4B ΔE 0.057
- Warm Purple #952E8F ΔE 0.060
- Mulberry #920A4E ΔE 0.061
- Purple Red #990147 ΔE 0.064
Use #A21C6E 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.