#A21C5F
Closest named color: Deep Magenta (#A0025C). oklch(47.7% 0.176 356.5), rgb(162, 28, 95).
Aa
White text reads best on this color (7.32:1).
About this color
#A21C5F is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.176 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Magenta (#A0025C), ΔE 0.020 away. White text reads best on it, at 7.32:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Deep Magenta (#A0025C) |
| Black text | 2.86:1 |
| White text | 7.32:1 |
Values
| HEX | #A21C5F |
| RGB | rgb(162, 28, 95) |
| HSL | hsl(330, 71%, 37%) |
| OKLCH | oklch(47.7% 0.176 356.5) |
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 #A21C5F | 7.32:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #A21C5F | 2.86:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #A21C5F text on white | 7.32:1 | AAA | Lc 83.9 | Fine for body text |
| #A21C5F text on black | 2.86:1 | Fails | Lc -18.0 | 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
#FCF2F5
oklch(97% 0.011 357)
-
Step 100
100
#F9E3EA
oklch(93.6% 0.026 356.3)
-
Step 200
200
#F4CDDA
oklch(88.5% 0.047 356.1)
-
Step 300
300
#EEAAC2
oklch(80.9% 0.085 356.3)
-
Step 400
400
#E27AA3
oklch(70.7% 0.136 356.1)
-
Step 500
500
#D7538C
oklch(63.1% 0.174 356.5)
-
Step 600
600
#C23176
oklch(55.6% 0.19 356.4)
-
Step 700
700 (this color)
#A21C5F
oklch(47.7% 0.176 356.5)
-
Step 800
800
#881F51
oklch(42.8% 0.146 356.5)
-
Step 900
900
#6D2143
oklch(37.7% 0.113 356.4)
-
Step 950
950
#401527
oklch(27% 0.071 356.8)
#A21C5F 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) | #3B4661 | 0.199 |
| Deuteranopia (no green cones) | #605F5C | 0.176 |
| Tritanopia (no blue cones) | #B0003C | 0.058 |
| Achromatopsia (no color) | #565656 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A21C5F
#A21C5F
oklch(47.7% 0.176 356.5)
- #006D5B
#006D5B
oklch(47.8% 0.089 176)
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 #A21C5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Magenta #A0025C ΔE 0.020
- Violet Red #A50055 ΔE 0.021
- Dark Fuchsia #9D0759 ΔE 0.022
- Red Violet #9E0168 ΔE 0.032
- Berry #990F4B ΔE 0.037
- Raspberry #B00149 ΔE 0.043
- Purple Red #990147 ΔE 0.044
- Mulberry #920A4E ΔE 0.046
Use #A21C5F 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.