#858DF9
Closest named color: Lavender Blue (#8B88F8). oklch(68.5% 0.158 278.2), rgb(133, 141, 249).
Aa
Black text reads best on this color (7.17:1).
About this color
#858DF9 is a medium-light, vivid blue. In OKLCH its lightness is 69%, its chroma 0.158 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.014 away. Black text reads best on it, at 7.17:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.158) |
| Temperature | cool |
| Nearest name | Lavender Blue (#8B88F8) |
| Black text | 7.17:1 |
| White text | 2.92:1 |
Values
| HEX | #858DF9 |
| RGB | rgb(133, 141, 249) |
| HSL | hsl(236, 91%, 75%) |
| OKLCH | oklch(68.5% 0.158 278.2) |
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 #858DF9 | 2.92:1 | Fails | Lc -60.9 | Content text, not long reading |
| Black text on #858DF9 | 7.17:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #858DF9 text on white | 2.92:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #858DF9 text on black | 7.17:1 | AAA | Lc -46.3 | 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
#E5E8FD
oklch(93.5% 0.029 279.4)
-
Step 200
200
#D0D6FE
oklch(88.4% 0.055 278.5)
-
Step 300
300
#B2BBFF
oklch(81% 0.097 278.2)
-
Step 400
400 (this color)
#858DF9
oklch(68.5% 0.158 278.2)
-
Step 500
500
#7274FF
oklch(63% 0.202 278.3)
-
Step 600
600
#5D58EE
oklch(55.6% 0.218 278.1)
-
Step 700
700
#4E46D0
oklch(49.1% 0.205 278.3)
-
Step 800
800
#3F3BA8
oklch(42.7% 0.169 278.1)
-
Step 900
900
#353485
oklch(37.7% 0.132 278.5)
-
Step 950
950
#1E204E
oklch(27.1% 0.083 277.4)
#858DF9 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) | #629CFD | 0.051 |
| Deuteranopia (no green cones) | #5993F7 | 0.051 |
| Tritanopia (no blue cones) | #5BA4B7 | 0.139 |
| Achromatopsia (no color) | #979797 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858DF9
#858DF9
oklch(68.5% 0.158 278.2)
- #B19A00
#B19A00
oklch(68.6% 0.142 98.5)
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 #858DF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Blue #8B88F8 ΔE 0.014
- Perrywinkle #8F8CE7 ΔE 0.029
- Periwinkle #8E82FE ΔE 0.030
- Periwinkle Blue #8F99FB ΔE 0.035
- Cornflower Blue #6495ED ΔE 0.048
- Soft Blue #6488EA ΔE 0.050
- Cornflower #6A79F7 ΔE 0.065
- Chefchaouen Blue #4895EF ΔE 0.069
Use #858DF9 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.