#A370C8
Closest named color: Deep Lilac (#966EBD). oklch(63.2% 0.138 309.7), rgb(163, 112, 200).
Aa
Black text reads best on this color (5.70:1).
About this color
#A370C8 is a medium-light, moderately saturated purple. In OKLCH its lightness is 63%, its chroma 0.138 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.028 away. Black text reads best on it, at 5.70:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 5.70:1 |
| White text | 3.67:1 |
Values
| HEX | #A370C8 |
| RGB | rgb(163, 112, 200) |
| HSL | hsl(275, 44%, 61%) |
| OKLCH | oklch(63.2% 0.138 309.7) |
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 #A370C8 | 3.67:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #A370C8 | 5.70:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #A370C8 text on white | 3.67:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #A370C8 text on black | 5.70:1 | AA | Lc -37.5 | 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
#EEE7F4
oklch(93.7% 0.019 309.8)
-
Step 200
200
#E1D3EC
oklch(88.6% 0.037 310.5)
-
Step 300
300
#CEB5E2
oklch(80.9% 0.068 309.9)
-
Step 400
400
#B58DD3
oklch(70.6% 0.108 309.9)
-
Step 500
500 (this color)
#A370C8
oklch(63.2% 0.138 309.7)
-
Step 600
600
#8E56B4
oklch(55.6% 0.15 309.9)
-
Step 700
700
#78469B
oklch(49.1% 0.139 309.4)
-
Step 800
800
#623A7E
oklch(42.8% 0.116 309.5)
-
Step 900
900
#503265
oklch(37.7% 0.091 309.8)
-
Step 950
950
#2F1E3B
oklch(27.1% 0.056 310.1)
#A370C8 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) | #5C83CB | 0.107 |
| Deuteranopia (no green cones) | #6986C6 | 0.097 |
| Tritanopia (no blue cones) | #9E7E92 | 0.100 |
| Achromatopsia (no color) | #858585 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A370C8
#A370C8
oklch(63.2% 0.138 309.7)
- #6E9A36
#6E9A36
oklch(63.3% 0.138 129.8)
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 #A370C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.028
- Soft Purple #A66FB5 ΔE 0.029
- Wisteria #A87DC2 ΔE 0.038
- Medium Purple #9370DB ΔE 0.039
- Amethyst #9B5FC0 ΔE 0.044
- Dark Lilac #9C6DA5 ΔE 0.054
- Deep Lavender #8D5EB7 ΔE 0.063
- Medium Orchid #BA55D3 ΔE 0.071
Use #A370C8 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.