#858BFB
Closest named color: Lavender Blue (#8B88F8). oklch(68.3% 0.163 278.8), rgb(133, 139, 251).
Aa
Black text reads best on this color (7.08:1).
About this color
#858BFB is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.163 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.011 away. Black text reads best on it, at 7.08:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Lavender Blue (#8B88F8) |
| Black text | 7.08:1 |
| White text | 2.96:1 |
Values
| HEX | #858BFB |
| RGB | rgb(133, 139, 251) |
| HSL | hsl(237, 94%, 75%) |
| OKLCH | oklch(68.3% 0.163 278.8) |
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 #858BFB | 2.96:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #858BFB | 7.08:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #858BFB text on white | 2.96:1 | Fails | Lc 56.0 | Large or bold text, headings |
| #858BFB text on black | 7.08:1 | AAA | Lc -45.8 | Large or bold text, headings |
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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FE
oklch(93.5% 0.03 279.6)
-
Step 200
200
#D0D6FF
oklch(88.5% 0.057 278.6)
-
Step 300
300
#B2BAFF
oklch(80.8% 0.098 278.8)
-
Step 400
400 (this color)
#858BFB
oklch(68.3% 0.163 278.8)
-
Step 500
500
#7474FF
oklch(63.2% 0.201 278.9)
-
Step 600
600
#5F55F2
oklch(55.6% 0.226 278.9)
-
Step 700
700
#4F44D3
oklch(49.1% 0.21 278.7)
-
Step 800
800
#4039AA
oklch(42.6% 0.174 278.8)
-
Step 900
900
#353387
oklch(37.6% 0.136 278.7)
-
Step 950
950
#1F1F4F
oklch(27% 0.086 279)
#858BFB 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) | #5D9BFF | 0.056 |
| Deuteranopia (no green cones) | #5491F8 | 0.056 |
| Tritanopia (no blue cones) | #5AA3B7 | 0.143 |
| Achromatopsia (no color) | #969696 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858BFB
#858BFB
oklch(68.3% 0.163 278.8)
- #B09900
#B09900
oklch(68.3% 0.141 98.4)
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 #858BFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Blue #8B88F8 ΔE 0.011
- Periwinkle #8E82FE ΔE 0.025
- Perrywinkle #8F8CE7 ΔE 0.033
- Periwinkle Blue #8F99FB ΔE 0.040
- Soft Blue #6488EA ΔE 0.050
- Cornflower Blue #6495ED ΔE 0.052
- Cornflower #6A79F7 ΔE 0.061
- Chefchaouen Blue #4895EF ΔE 0.071
Use #858BFB 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.