#A370CB
Closest named color: Deep Lilac (#966EBD). oklch(63.4% 0.142 308.7), rgb(163, 112, 203).
Aa
Black text reads best on this color (5.73:1).
About this color
#A370CB is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.142 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.031 away. Black text reads best on it, at 5.73:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 5.73:1 |
| White text | 3.66:1 |
Values
| HEX | #A370CB |
| RGB | rgb(163, 112, 203) |
| HSL | hsl(274, 47%, 62%) |
| OKLCH | oklch(63.4% 0.142 308.7) |
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 #A370CB | 3.66:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #A370CB | 5.73:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #A370CB text on white | 3.66:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #A370CB text on black | 5.73:1 | AA | Lc -37.7 | 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
#EEE6F4
oklch(93.5% 0.021 311.1)
-
Step 200
200
#E0D3ED
oklch(88.5% 0.038 308)
-
Step 300
300
#CDB5E3
oklch(80.9% 0.069 308.4)
-
Step 400
400
#B48DD5
oklch(70.6% 0.111 308.6)
-
Step 500
500 (this color)
#A370CB
oklch(63.4% 0.142 308.7)
-
Step 600
600
#8D55B7
oklch(55.5% 0.155 308.6)
-
Step 700
700
#78459D
oklch(49.1% 0.143 308.8)
-
Step 800
800
#623980
oklch(42.7% 0.12 308.9)
-
Step 900
900
#503266
oklch(37.7% 0.092 309.3)
-
Step 950
950
#2F1E3C
oklch(27.1% 0.058 309.1)
#A370CB 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) | #5B83CE | 0.108 |
| Deuteranopia (no green cones) | #6886C9 | 0.098 |
| Tritanopia (no blue cones) | #9E7E94 | 0.101 |
| Achromatopsia (no color) | #868686 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A370CB
#A370CB
oklch(63.4% 0.142 308.7)
- #709A31
#709A31
oklch(63.4% 0.141 128.6)
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 #A370CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.031
- Soft Purple #A66FB5 ΔE 0.034
- Medium Purple #9370DB ΔE 0.036
- Wisteria #A87DC2 ΔE 0.040
- Amethyst #9B5FC0 ΔE 0.044
- Dark Lilac #9C6DA5 ΔE 0.059
- Deep Lavender #8D5EB7 ΔE 0.064
- Medium Orchid #BA55D3 ΔE 0.069
Use #A370CB 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.