#857CF0
Closest named color: Periwinkle (#8E82FE). oklch(64.9% 0.168 284.2), rgb(133, 124, 240).
Aa
Black text reads best on this color (6.13:1).
About this color
#857CF0 is a medium-light, vivid purple. In OKLCH its lightness is 65%, its chroma 0.168 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.028 away. Black text reads best on it, at 6.13:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.13:1 |
| White text | 3.42:1 |
Values
| HEX | #857CF0 |
| RGB | rgb(133, 124, 240) |
| HSL | hsl(245, 79%, 71%) |
| OKLCH | oklch(64.9% 0.168 284.2) |
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 #857CF0 | 3.42:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #857CF0 | 6.13:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #857CF0 text on white | 3.42:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #857CF0 text on black | 6.13:1 | AA | Lc -40.2 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D5D6F7
oklch(88.6% 0.045 284.1)
-
Step 300
300
#BABAF5
oklch(81% 0.083 284.4)
-
Step 400
400
#9794EF
oklch(70.7% 0.131 284)
-
Step 500
500 (this color)
#857CF0
oklch(64.9% 0.168 284.2)
-
Step 600
600
#6B5CD8
oklch(55.6% 0.183 284.2)
-
Step 700
700
#5A4BBB
oklch(49.1% 0.169 284.4)
-
Step 800
800
#493E98
oklch(42.7% 0.142 284.2)
-
Step 900
900
#3C3679
oklch(37.7% 0.11 283.8)
-
Step 950
950
#232047
oklch(27% 0.07 284.1)
#857CF0 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) | #4A8EF4 | 0.075 |
| Deuteranopia (no green cones) | #4687ED | 0.075 |
| Tritanopia (no blue cones) | #6294AB | 0.143 |
| Achromatopsia (no color) | #8B8B8B | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #857CF0
#857CF0
oklch(64.9% 0.168 284.2)
- #9D9200
#9D9200
oklch(64.9% 0.137 104.2)
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 #857CF0, closest first.
No curated palette has a color within ΔE 0.04 of #857CF0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.028
- Lavender Blue #8B88F8 ΔE 0.032
- Cornflower #6A79F7 ΔE 0.040
- Medium Purple #9370DB ΔE 0.043
- Perrywinkle #8F8CE7 ΔE 0.048
- Soft Blue #6488EA ΔE 0.051
- Medium Slate Blue #7B68EE ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.072
Use #857CF0 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.