#858BEE
Closest named color: Perrywinkle (#8F8CE7). oklch(67.5% 0.145 279.1), rgb(133, 139, 238).
Aa
Black text reads best on this color (6.92:1).
About this color
#858BEE is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.145 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.018 away. Black text reads best on it, at 6.92:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 6.92:1 |
| White text | 3.03:1 |
Values
| HEX | #858BEE |
| RGB | rgb(133, 139, 238) |
| HSL | hsl(237, 76%, 73%) |
| OKLCH | oklch(67.5% 0.145 279.1) |
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 #858BEE | 3.03:1 | AA large text | Lc -62.3 | Content text, not long reading |
| Black text on #858BEE | 6.92:1 | AA | Lc 47.1 | Large or bold text, headings |
| #858BEE text on white | 3.03:1 | AA large text | Lc 57.0 | Large or bold text, headings |
| #858BEE text on black | 6.92:1 | AA | Lc -44.8 | 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 400.
-
Step 50
50
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E6E8FC
oklch(93.5% 0.027 281.3)
-
Step 200
200
#D1D6FB
oklch(88.4% 0.051 279.2)
-
Step 300
300
#B4BBFB
oklch(80.9% 0.091 279.3)
-
Step 400
400 (this color)
#858BEE
oklch(67.5% 0.145 279.1)
-
Step 500
500
#7577F6
oklch(63.1% 0.185 279)
-
Step 600
600
#605BE5
oklch(55.5% 0.203 279.1)
-
Step 700
700
#504AC7
oklch(49.1% 0.188 279.1)
-
Step 800
800
#413EA1
oklch(42.8% 0.155 278.9)
-
Step 900
900
#36367F
oklch(37.6% 0.12 278.9)
-
Step 950
950
#20204B
oklch(27% 0.078 279.9)
#858BEE 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) | #6698F2 | 0.046 |
| Deuteranopia (no green cones) | #5F90EC | 0.046 |
| Tritanopia (no blue cones) | #629FB1 | 0.126 |
| Achromatopsia (no color) | #949494 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858BEE
#858BEE
oklch(67.5% 0.145 279.1)
- #AD9700
#AD9700
oklch(67.5% 0.14 98.8)
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 #858BEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.018
- Lavender Blue #8B88F8 ΔE 0.020
- Periwinkle #8E82FE ΔE 0.037
- Periwinkle Blue #8F99FB ΔE 0.041
- Soft Blue #6488EA ΔE 0.044
- Cornflower Blue #6495ED ΔE 0.044
- Cornflower #6A79F7 ΔE 0.064
- Chefchaouen Blue #4895EF ΔE 0.067
Use #858BEE 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.