#A21658
Closest named color: Violet Red (#A50055). oklch(47.1% 0.178 359.4), rgb(162, 22, 88).
Aa
White text reads best on this color (7.52:1).
About this color
#A21658 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.178 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.013 away. White text reads best on it, at 7.52:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.79:1 |
| White text | 7.52:1 |
Values
| HEX | #A21658 |
| RGB | rgb(162, 22, 88) |
| HSL | hsl(332, 76%, 36%) |
| OKLCH | oklch(47.1% 0.178 359.4) |
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 #A21658 | 7.52:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #A21658 | 2.79:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #A21658 text on white | 7.52:1 | AAA | Lc 84.4 | Fine for body text |
| #A21658 text on black | 2.79:1 | Fails | Lc -17.6 | 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
#EFAABF
oklch(80.9% 0.085 359.3)
-
Step 400
400
#E4799E
oklch(70.6% 0.138 359.2)
-
Step 500
500
#D95286
oklch(63.1% 0.175 359.5)
-
Step 600
600
#C42F70
oklch(55.6% 0.191 359.3)
-
Step 700
700 (this color)
#A21658
oklch(47.1% 0.178 359.4)
-
Step 800
800
#891E4C
oklch(42.7% 0.146 359.7)
-
Step 900
900
#6F2040
oklch(37.8% 0.115 359.4)
-
Step 950
950
#411425
oklch(26.9% 0.073 359.7)
#A21658 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) | #3B4459 | 0.202 |
| Deuteranopia (no green cones) | #605E55 | 0.180 |
| Tritanopia (no blue cones) | #B00036 | 0.057 |
| Achromatopsia (no color) | #545454 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A21658
#A21658
oklch(47.1% 0.178 359.4)
- #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 #A21658, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.013
- Dark Fuchsia #9D0759 ΔE 0.018
- Deep Magenta #A0025C ΔE 0.018
- Berry #990F4B ΔE 0.028
- Purple Red #990147 ΔE 0.034
- Raspberry #B00149 ΔE 0.036
- Red Violet #9E0168 ΔE 0.036
- Mulberry #920A4E ΔE 0.040
Use #A21658 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.