#817ACE
Closest named color: Medium Purple (#9370DB). oklch(62.2% 0.125 286), rgb(129, 122, 206).
Aa
Black text reads best on this color (5.60:1).
About this color
#817ACE is a medium-light, moderately saturated purple. In OKLCH its lightness is 62%, its chroma 0.125 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.043 away. Black text reads best on it, at 5.60:1.
| Hue family | Purples |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #817ACE |
| RGB | rgb(129, 122, 206) |
| HSL | hsl(245, 46%, 64%) |
| OKLCH | oklch(62.2% 0.125 286) |
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 #817ACE | 3.74:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #817ACE | 5.60:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #817ACE text on white | 3.74:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #817ACE text on black | 5.60:1 | AA | Lc -36.8 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D7D6EF
oklch(88.5% 0.034 287.5)
-
Step 300
300
#BCBCE7
oklch(81% 0.06 285)
-
Step 400
400
#9B98DB
oklch(70.8% 0.097 285.7)
-
Step 500
500 (this color)
#817ACE
oklch(62.2% 0.125 286)
-
Step 600
600
#6E64BE
oklch(55.5% 0.136 286.2)
-
Step 700
700
#5C53A4
oklch(49.1% 0.126 285.8)
-
Step 800
800
#4B4485
oklch(42.6% 0.105 286)
-
Step 900
900
#3E3A6A
oklch(37.6% 0.081 285.6)
-
Step 950
950
#24223E
oklch(26.9% 0.051 285.7)
#817ACE 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) | #5E86D1 | 0.051 |
| Deuteranopia (no green cones) | #5C82CC | 0.051 |
| Tritanopia (no blue cones) | #6C8A9A | 0.106 |
| Achromatopsia (no color) | #848484 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817ACE
#817ACE
oklch(62.2% 0.125 286)
- #918B1A
#918B1A
oklch(62.3% 0.125 106.3)
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 #817ACE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.043
- Deep Lilac #966EBD ΔE 0.046
- Soft Blue #6488EA ΔE 0.058
- Perrywinkle #8F8CE7 ΔE 0.060
- Wisteria #A87DC2 ΔE 0.065
- Soft Purple #A66FB5 ΔE 0.069
- Cornflower #6A79F7 ΔE 0.069
- Lavender Blue #8B88F8 ΔE 0.069
Use #817ACE 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.