#856FF9
Closest named color: Medium Slate Blue (#7B68EE). oklch(63.2% 0.198 286.6), rgb(133, 111, 249).
Aa
Black text reads best on this color (5.63:1).
About this color
#856FF9 is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.198 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.028 away. Black text reads best on it, at 5.63:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.198) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.63:1 |
| White text | 3.72:1 |
Values
| HEX | #856FF9 |
| RGB | rgb(133, 111, 249) |
| HSL | hsl(250, 92%, 71%) |
| OKLCH | oklch(63.2% 0.198 286.6) |
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 #856FF9 | 3.72:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #856FF9 | 5.63:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #856FF9 text on white | 3.72:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #856FF9 text on black | 5.63:1 | AA | Lc -37.2 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E8E8FC
oklch(93.7% 0.027 285.9)
-
Step 200
200
#D6D5FC
oklch(88.6% 0.053 286.4)
-
Step 300
300
#BBB8FD
oklch(81% 0.097 286)
-
Step 400
400
#9B8FFB
oklch(70.7% 0.155 286.8)
-
Step 500
500 (this color)
#856FF9
oklch(63.2% 0.198 286.6)
-
Step 600
600
#7152E8
oklch(55.7% 0.215 286.7)
-
Step 700
700
#5F41C9
oklch(49.1% 0.199 286.7)
-
Step 800
800
#4D37A3
oklch(42.8% 0.165 286.5)
-
Step 900
900
#3F3181
oklch(37.6% 0.129 286.5)
-
Step 950
950
#251E4C
oklch(27.1% 0.082 286.6)
#856FF9 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) | #1888FE | 0.108 |
| Deuteranopia (no green cones) | #1480F6 | 0.107 |
| Tritanopia (no blue cones) | #5E8EA9 | 0.167 |
| Achromatopsia (no color) | #848484 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #856FF9
#856FF9
oklch(63.2% 0.198 286.6)
- #948E00
#948E00
oklch(63.1% 0.135 106.7)
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 #856FF9, closest first.
No curated palette has a color within ΔE 0.04 of #856FF9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.028
- Cornflower #6A79F7 ΔE 0.042
- Periwinkle #8E82FE ΔE 0.048
- Medium Purple #9370DB ΔE 0.051
- Purpley #8756E4 ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.061
- Lighter Purple #A55AF4 ΔE 0.064
- Light Urple #B36FF6 ΔE 0.075
Use #856FF9 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.