#A37BCB
Closest named color: Wisteria (#A87DC2). oklch(65.3% 0.123 306.3), rgb(163, 123, 203).
Aa
Black text reads best on this color (6.25:1).
About this color
#A37BCB is a medium-light, moderately saturated purple. In OKLCH its lightness is 65%, its chroma 0.123 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Wisteria (#A87DC2), ΔE 0.018 away. Black text reads best on it, at 6.25:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Wisteria (#A87DC2) |
| Black text | 6.25:1 |
| White text | 3.35:1 |
Values
| HEX | #A37BCB |
| RGB | rgb(163, 123, 203) |
| HSL | hsl(270, 43%, 64%) |
| OKLCH | oklch(65.3% 0.123 306.3) |
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 #A37BCB | 3.35:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #A37BCB | 6.25:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #A37BCB text on white | 3.35:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #A37BCB text on black | 6.25:1 | AA | Lc -40.8 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F3
oklch(93.6% 0.017 308.3)
-
Step 200
200
#DED4EB
oklch(88.5% 0.033 305.3)
-
Step 300
300
#CAB7E0
oklch(80.9% 0.06 306.1)
-
Step 400
400
#B091D0
oklch(70.8% 0.096 306.6)
-
Step 500
500 (this color)
#A37BCB
oklch(65.3% 0.123 306.3)
-
Step 600
600
#875CB0
oklch(55.6% 0.133 306.2)
-
Step 700
700
#734B98
oklch(49.2% 0.125 306.3)
-
Step 800
800
#5D3E7B
oklch(42.7% 0.103 306)
-
Step 900
900
#4C3563
oklch(37.6% 0.081 305.9)
-
Step 950
950
#2D1F3A
oklch(27% 0.052 307.1)
#A37BCB 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) | #698BCE | 0.087 |
| Deuteranopia (no green cones) | #728CC9 | 0.080 |
| Tritanopia (no blue cones) | #9D8799 | 0.091 |
| Achromatopsia (no color) | #8C8C8C | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37BCB
#A37BCB
oklch(65.3% 0.123 306.3)
- #7D9D44
#7D9D44
oklch(65.2% 0.123 126.1)
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 #A37BCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wisteria #A87DC2 ΔE 0.018
- Soft Purple #A66FB5 ΔE 0.039
- Deep Lilac #966EBD ΔE 0.043
- Medium Purple #9370DB ΔE 0.050
- Perrywinkle #8F8CE7 ΔE 0.058
- Heather #A484AC ΔE 0.058
- Dark Lilac #9C6DA5 ΔE 0.062
- Pale Purple #B790D4 ΔE 0.064
Use #A37BCB 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.