#856BF1
Closest named color: Medium Slate Blue (#7B68EE). oklch(62% 0.193 288.4), rgb(133, 107, 241).
Aa
Black text reads best on this color (5.37:1).
About this color
#856BF1 is a medium-dark, vivid purple. In OKLCH its lightness is 62%, its chroma 0.193 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.018 away. Black text reads best on it, at 5.37:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.193) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.37:1 |
| White text | 3.91:1 |
Values
| HEX | #856BF1 |
| RGB | rgb(133, 107, 241) |
| HSL | hsl(252, 83%, 68%) |
| OKLCH | oklch(62% 0.193 288.4) |
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 #856BF1 | 3.91:1 | AA large text | Lc -71.7 | Content text, not long reading |
| Black text on #856BF1 | 5.37:1 | AA | Lc 37.9 | Non-text elements, placeholder text |
| #856BF1 text on white | 3.91:1 | AA large text | Lc 66.2 | Content text, not long reading |
| #856BF1 text on black | 5.37:1 | AA | Lc -35.5 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E7FC
oklch(93.5% 0.028 288)
-
Step 200
200
#D7D4FB
oklch(88.5% 0.053 288.8)
-
Step 300
300
#BDB7FB
oklch(80.9% 0.095 288.1)
-
Step 400
400
#9E8FF8
oklch(70.7% 0.15 288.5)
-
Step 500
500 (this color)
#856BF1
oklch(62% 0.193 288.4)
-
Step 600
600
#7452E4
oklch(55.7% 0.21 288.3)
-
Step 700
700
#6241C6
oklch(49.1% 0.195 288.4)
-
Step 800
800
#4F37A0
oklch(42.7% 0.161 288.1)
-
Step 900
900
#41317F
oklch(37.7% 0.126 288.2)
-
Step 950
950
#261E4A
oklch(27.1% 0.079 288.4)
#856BF1 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) | #1A84F6 | 0.111 |
| Deuteranopia (no green cones) | #1D7DEE | 0.108 |
| Tritanopia (no blue cones) | #6389A4 | 0.160 |
| Achromatopsia (no color) | #818181 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #856BF1
#856BF1
oklch(62% 0.193 288.4)
- #8E8B00
#8E8B00
oklch(61.9% 0.134 108.2)
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 #856BF1, closest first.
No curated palette has a color within ΔE 0.04 of #856BF1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.018
- Medium Purple #9370DB ΔE 0.044
- Cornflower #6A79F7 ΔE 0.047
- Purpley #8756E4 ΔE 0.048
- Periwinkle #8E82FE ΔE 0.058
- Lighter Purple #A55AF4 ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.070
- Dark Periwinkle #665FD1 ΔE 0.074
Use #856BF1 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.