#A21B7B
Closest named color: Red Violet (#9E0168). oklch(48.8% 0.191 343.2), rgb(162, 27, 123).
Aa
White text reads best on this color (7.04:1).
About this color
#A21B7B is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.191 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.034 away. White text reads best on it, at 7.04:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.191) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.97:1 |
| White text | 7.04:1 |
Values
| HEX | #A21B7B |
| RGB | rgb(162, 27, 123) |
| HSL | hsl(317, 71%, 37%) |
| OKLCH | oklch(48.8% 0.191 343.2) |
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 #A21B7B | 7.04:1 | AAA | Lc -87.9 | Fine for body text |
| Black text on #A21B7B | 2.97:1 | Fails | Lc 21.2 | Dividers and decoration only |
| #A21B7B text on white | 7.04:1 | AAA | Lc 82.9 | Fine for body text |
| #A21B7B text on black | 2.97:1 | Fails | Lc -19.0 | 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
#FCF2F8
oklch(97.1% 0.013 340.5)
-
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
#EBA9D0
oklch(80.9% 0.092 343.1)
-
Step 400
400
#DF78B8
oklch(70.7% 0.148 343.5)
-
Step 500
500
#D250A6
oklch(63% 0.188 343.3)
-
Step 600
600
#BE2C92
oklch(55.7% 0.206 343.2)
-
Step 700
700 (this color)
#A21B7B
oklch(48.8% 0.191 343.2)
-
Step 800
800
#841C65
oklch(42.7% 0.157 343)
-
Step 900
900
#6B1F52
oklch(37.7% 0.123 343.5)
-
Step 950
950
#3F1430
oklch(27.1% 0.077 343.6)
#A21B7B 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) | #2D4B7D | 0.214 |
| Deuteranopia (no green cones) | #586078 | 0.183 |
| Tritanopia (no blue cones) | #AD1B4B | 0.083 |
| Achromatopsia (no color) | #595959 | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A21B7B
#A21B7B
oklch(48.8% 0.191 343.2)
- #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 #A21B7B, closest first.
No curated palette has a color within ΔE 0.04 of #A21B7B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.034
- Warm Purple #952E8F ΔE 0.044
- Deep Magenta #A0025C ΔE 0.049
- Dark Fuchsia #9D0759 ΔE 0.055
- Violet Red #A50055 ΔE 0.060
- Dark Magenta #8B008B ΔE 0.067
- Light Eggplant #894585 ΔE 0.076
- Medium Violet Red #C71585 ΔE 0.076
Use #A21B7B 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.