#858BEF
Closest named color: Lavender Blue (#8B88F8). oklch(67.6% 0.146 279.1), rgb(133, 139, 239).
Aa
Black text reads best on this color (6.93:1).
About this color
#858BEF is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.146 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.018 away. Black text reads best on it, at 6.93:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Lavender Blue (#8B88F8) |
| Black text | 6.93:1 |
| White text | 3.02:1 |
Values
| HEX | #858BEF |
| RGB | rgb(133, 139, 239) |
| HSL | hsl(237, 77%, 73%) |
| OKLCH | oklch(67.6% 0.146 279.1) |
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 #858BEF | 3.02:1 | AA large text | Lc -62.3 | Content text, not long reading |
| Black text on #858BEF | 6.93:1 | AA | Lc 47.1 | Large or bold text, headings |
| #858BEF text on white | 3.02:1 | AA large text | Lc 56.9 | Large or bold text, headings |
| #858BEF text on black | 6.93:1 | AA | Lc -44.9 | 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)
#858BEF
oklch(67.6% 0.146 279.1)
-
Step 500
500
#7576F7
oklch(63% 0.188 279.2)
-
Step 600
600
#605BE6
oklch(55.6% 0.204 279)
-
Step 700
700
#504AC8
oklch(49.2% 0.189 279)
-
Step 800
800
#413DA1
oklch(42.6% 0.157 279.2)
-
Step 900
900
#363680
oklch(37.7% 0.122 278.8)
-
Step 950
950
#1F204B
oklch(26.9% 0.078 278.8)
#858BEF 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) | #6598F3 | 0.046 |
| Deuteranopia (no green cones) | #5E90ED | 0.047 |
| Tritanopia (no blue cones) | #61A0B1 | 0.130 |
| Achromatopsia (no color) | #949494 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858BEF
#858BEF
oklch(67.6% 0.146 279.1)
- #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 #858BEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Blue #8B88F8 ΔE 0.018
- Perrywinkle #8F8CE7 ΔE 0.019
- Periwinkle #8E82FE ΔE 0.036
- Periwinkle Blue #8F99FB ΔE 0.041
- Soft Blue #6488EA ΔE 0.044
- Cornflower Blue #6495ED ΔE 0.045
- Cornflower #6A79F7 ΔE 0.064
- Chefchaouen Blue #4895EF ΔE 0.067
Use #858BEF 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.