#A31C61
Closest named color: Deep Magenta (#A0025C). oklch(47.9% 0.177 355.8), rgb(163, 28, 97).
Aa
White text reads best on this color (7.25:1).
About this color
#A31C61 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.177 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Magenta (#A0025C), ΔE 0.021 away. White text reads best on it, at 7.25:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.177) |
| Temperature | warm |
| Nearest name | Deep Magenta (#A0025C) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #A31C61 |
| RGB | rgb(163, 28, 97) |
| HSL | hsl(329, 71%, 37%) |
| OKLCH | oklch(47.9% 0.177 355.8) |
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 #A31C61 | 7.25:1 | AAA | Lc -88.6 | Fine for body text |
| Black text on #A31C61 | 2.89:1 | Fails | Lc 20.4 | Dividers and decoration only |
| #A31C61 text on white | 7.25:1 | AAA | Lc 83.6 | Fine for body text |
| #A31C61 text on black | 2.89:1 | Fails | Lc -18.3 | 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
#FCF2F6
oklch(97% 0.012 351)
-
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
#EEAAC3
oklch(80.9% 0.086 355.4)
-
Step 400
400
#E27AA4
oklch(70.7% 0.137 355.6)
-
Step 500
500
#D7538D
oklch(63.2% 0.175 356)
-
Step 600
600
#C23177
oklch(55.6% 0.19 356)
-
Step 700
700 (this color)
#A31C61
oklch(47.9% 0.177 355.8)
-
Step 800
800
#881F52
oklch(42.8% 0.147 355.8)
-
Step 900
900
#6D2044
oklch(37.6% 0.115 355.3)
-
Step 950
950
#401428
oklch(26.9% 0.073 354.8)
#A31C61 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) | #3B4763 | 0.200 |
| Deuteranopia (no green cones) | #60605E | 0.179 |
| Tritanopia (no blue cones) | #B1003D | 0.060 |
| Achromatopsia (no color) | #575757 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A31C61
#A31C61
oklch(47.9% 0.177 355.8)
- #006E5B
#006E5B
oklch(48.1% 0.09 175.2)
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 #A31C61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Magenta #A0025C ΔE 0.021
- Violet Red #A50055 ΔE 0.023
- Dark Fuchsia #9D0759 ΔE 0.024
- Red Violet #9E0168 ΔE 0.031
- Berry #990F4B ΔE 0.040
- Raspberry #B00149 ΔE 0.044
- Purple Red #990147 ΔE 0.047
- Mulberry #920A4E ΔE 0.049
Use #A31C61 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.