#A21C7D
Closest named color: Red Violet (#9E0168). oklch(49% 0.191 342.4), rgb(162, 28, 125).
Aa
White text reads best on this color (7.00:1).
About this color
#A21C7D is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.191 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.037 away. White text reads best on it, at 7.00:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.191) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #A21C7D |
| RGB | rgb(162, 28, 125) |
| HSL | hsl(317, 71%, 37%) |
| OKLCH | oklch(49% 0.191 342.4) |
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 #A21C7D | 7.00:1 | AAA | Lc -87.8 | Fine for body text |
| Black text on #A21C7D | 2.99:1 | Fails | Lc 21.3 | Dividers and decoration only |
| #A21C7D text on white | 7.00:1 | AAA | Lc 82.7 | Fine for body text |
| #A21C7D text on black | 2.99:1 | Fails | Lc -19.2 | 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
#F7E3EF
oklch(93.5% 0.027 340.9)
-
Step 200
200
#F2CCE2
oklch(88.4% 0.051 342.5)
-
Step 300
300
#EBA9D1
oklch(80.9% 0.093 342.4)
-
Step 400
400
#DE78BA
oklch(70.7% 0.149 342.2)
-
Step 500
500
#D250A8
oklch(63.1% 0.189 342.5)
-
Step 600
600
#BD2D93
oklch(55.6% 0.205 342.6)
-
Step 700
700 (this color)
#A21C7D
oklch(49% 0.191 342.4)
-
Step 800
800
#841C66
oklch(42.7% 0.158 342.4)
-
Step 900
900
#6A1F53
oklch(37.6% 0.123 342.2)
-
Step 950
950
#3F1431
oklch(27.1% 0.078 342.3)
#A21C7D 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) | #2C4B7F | 0.215 |
| Deuteranopia (no green cones) | #57617A | 0.184 |
| Tritanopia (no blue cones) | #AD1E4C | 0.085 |
| Achromatopsia (no color) | #595959 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A21C7D
#A21C7D
oklch(49% 0.191 342.4)
- #00724E
#00724E
oklch(48.8% 0.106 162.8)
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 #A21C7D, closest first.
No curated palette has a color within ΔE 0.04 of #A21C7D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.037
- Warm Purple #952E8F ΔE 0.041
- Deep Magenta #A0025C ΔE 0.053
- Dark Fuchsia #9D0759 ΔE 0.058
- Violet Red #A50055 ΔE 0.063
- Dark Magenta #8B008B ΔE 0.066
- Light Eggplant #894585 ΔE 0.075
- Medium Violet Red #C71585 ΔE 0.075
Use #A21C7D 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.