#A21F70
Closest named color: Red Violet (#9E0168). oklch(48.6% 0.181 348.4), rgb(162, 31, 112).
Aa
White text reads best on this color (7.07:1).
About this color
#A21F70 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.181 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.027 away. White text reads best on it, at 7.07:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.181) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #A21F70 |
| RGB | rgb(162, 31, 112) |
| HSL | hsl(323, 68%, 38%) |
| OKLCH | oklch(48.6% 0.181 348.4) |
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 #A21F70 | 7.07:1 | AAA | Lc -88.1 | Fine for body text |
| Black text on #A21F70 | 2.96:1 | Fails | Lc 20.9 | Dividers and decoration only |
| #A21F70 text on white | 7.07:1 | AAA | Lc 83.1 | Fine for body text |
| #A21F70 text on black | 2.96:1 | Fails | Lc -18.8 | 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
#F8E3ED
oklch(93.6% 0.026 347.1)
-
Step 200
200
#F3CDDE
oklch(88.5% 0.048 349.4)
-
Step 300
300
#ECAACA
oklch(80.9% 0.087 348.6)
-
Step 400
400
#DF7AAF
oklch(70.7% 0.139 348.5)
-
Step 500
500
#D3539B
oklch(63.1% 0.178 348.6)
-
Step 600
600
#BE3186
oklch(55.5% 0.194 348.4)
-
Step 700
700 (this color)
#A21F70
oklch(48.6% 0.181 348.4)
-
Step 800
800
#851F5C
oklch(42.7% 0.149 348.7)
-
Step 900
900
#6B214C
oklch(37.7% 0.116 348.2)
-
Step 950
950
#3F142C
oklch(26.9% 0.074 348.6)
#A21F70 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) | #364A72 | 0.203 |
| Deuteranopia (no green cones) | #5C606D | 0.177 |
| Tritanopia (no blue cones) | #AE1746 | 0.071 |
| Achromatopsia (no color) | #585858 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A21F70
#A21F70
oklch(48.6% 0.181 348.4)
- #007055
#007055
oklch(48.4% 0.097 168.8)
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 #A21F70, closest first.
No curated palette has a color within ΔE 0.04 of #A21F70.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.027
- Deep Magenta #A0025C ΔE 0.035
- Dark Fuchsia #9D0759 ΔE 0.039
- Violet Red #A50055 ΔE 0.043
- Warm Purple #952E8F ΔE 0.057
- Berry #990F4B ΔE 0.060
- Mulberry #920A4E ΔE 0.064
- Raspberry #B00149 ΔE 0.066
Use #A21F70 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.