#A21457
Closest named color: Violet Red (#A50055). oklch(47% 0.179 359.7), rgb(162, 20, 87).
Aa
White text reads best on this color (7.57:1).
About this color
#A21457 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.179 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.011 away. White text reads best on it, at 7.57:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.77:1 |
| White text | 7.57:1 |
Values
| HEX | #A21457 |
| RGB | rgb(162, 20, 87) |
| HSL | hsl(332, 78%, 36%) |
| OKLCH | oklch(47% 0.179 359.7) |
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 #A21457 | 7.57:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #A21457 | 2.77:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #A21457 text on white | 7.57:1 | AAA | Lc 84.5 | Fine for body text |
| #A21457 text on black | 2.77:1 | Fails | Lc -17.4 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#F9E3E9
oklch(93.5% 0.025 359.2)
-
Step 200
200
#F5CDD8
oklch(88.6% 0.047 359.7)
-
Step 300
300
#F0AABE
oklch(81% 0.086 0.5)
-
Step 400
400
#E5799D
oklch(70.7% 0.139 0)
-
Step 500
500
#DA5186
oklch(63.2% 0.178 359.6)
-
Step 600
600
#C52E6F
oklch(55.6% 0.192 359.9)
-
Step 700
700 (this color)
#A21457
oklch(47% 0.179 359.7)
-
Step 800
800
#8A1D4C
oklch(42.8% 0.148 359.9)
-
Step 900
900
#6F203F
oklch(37.8% 0.115 0.2)
-
Step 950
950
#411425
oklch(26.9% 0.073 359.7)
#A21457 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) | #3A4358 | 0.204 |
| Deuteranopia (no green cones) | #605D54 | 0.180 |
| Tritanopia (no blue cones) | #B00035 | 0.057 |
| Achromatopsia (no color) | #545454 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A21457
#A21457
oklch(47% 0.179 359.7)
- #006A5C
#006A5C
oklch(47% 0.085 179.5)
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 #A21457, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.011
- Dark Fuchsia #9D0759 ΔE 0.017
- Deep Magenta #A0025C ΔE 0.018
- Berry #990F4B ΔE 0.026
- Purple Red #990147 ΔE 0.032
- Raspberry #B00149 ΔE 0.035
- Red Violet #9E0168 ΔE 0.036
- Mulberry #920A4E ΔE 0.039
Use #A21457 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.