#A21C7A
Closest named color: Red Violet (#9E0168). oklch(48.8% 0.189 343.7), rgb(162, 28, 122).
Aa
White text reads best on this color (7.03:1).
About this color
#A21C7A is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.189 and its hue 344°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.033 away. White text reads best on it, at 7.03:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.189) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #A21C7A |
| RGB | rgb(162, 28, 122) |
| HSL | hsl(318, 71%, 37%) |
| OKLCH | oklch(48.8% 0.189 343.7) |
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 #A21C7A | 7.03:1 | AAA | Lc -87.9 | Fine for body text |
| Black text on #A21C7A | 2.98:1 | Fails | Lc 21.2 | Dividers and decoration only |
| #A21C7A text on white | 7.03:1 | AAA | Lc 82.9 | Fine for body text |
| #A21C7A text on black | 2.98:1 | Fails | Lc -19.1 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F8E3EE
oklch(93.6% 0.027 344.6)
-
Step 200
200
#F3CCE2
oklch(88.5% 0.052 343.3)
-
Step 300
300
#EBA9CF
oklch(80.8% 0.091 343.9)
-
Step 400
400
#DE78B7
oklch(70.6% 0.147 343.7)
-
Step 500
500
#D250A5
oklch(63% 0.187 343.7)
-
Step 600
600
#BD2D90
oklch(55.5% 0.203 343.7)
-
Step 700
700 (this color)
#A21C7A
oklch(48.8% 0.189 343.7)
-
Step 800
800
#841C64
oklch(42.6% 0.157 343.5)
-
Step 900
900
#6B1F51
oklch(37.7% 0.122 344.2)
-
Step 950
950
#3F1430
oklch(27.1% 0.077 343.6)
#A21C7A 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) | #2E4B7C | 0.213 |
| Deuteranopia (no green cones) | #586077 | 0.182 |
| Tritanopia (no blue cones) | #AD1B4A | 0.082 |
| Achromatopsia (no color) | #595959 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A21C7A
#A21C7A
oklch(48.8% 0.189 343.7)
- #00724F
#00724F
oklch(48.9% 0.105 163.5)
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 #A21C7A, closest first.
No curated palette has a color within ΔE 0.04 of #A21C7A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.033
- Warm Purple #952E8F ΔE 0.045
- Deep Magenta #A0025C ΔE 0.048
- Dark Fuchsia #9D0759 ΔE 0.053
- Violet Red #A50055 ΔE 0.059
- Dark Magenta #8B008B ΔE 0.069
- Light Eggplant #894585 ΔE 0.075
- Berry #990F4B ΔE 0.076
Use #A21C7A 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.