#858AEB
Closest named color: Perrywinkle (#8F8CE7). oklch(67.2% 0.142 279.6), rgb(133, 138, 235).
Aa
Black text reads best on this color (6.83:1).
About this color
#858AEB is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.142 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.017 away. Black text reads best on it, at 6.83:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 6.83:1 |
| White text | 3.07:1 |
Values
| HEX | #858AEB |
| RGB | rgb(133, 138, 235) |
| HSL | hsl(237, 72%, 72%) |
| OKLCH | oklch(67.2% 0.142 279.6) |
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 #858AEB | 3.07:1 | AA large text | Lc -62.9 | Content text, not long reading |
| Black text on #858AEB | 6.83:1 | AA | Lc 46.5 | Large or bold text, headings |
| #858AEB text on white | 3.07:1 | AA large text | Lc 57.5 | Large or bold text, headings |
| #858AEB text on black | 6.83:1 | AA | Lc -44.2 | 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 400.
-
Step 50
50
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D2D6FA
oklch(88.4% 0.05 280.3)
-
Step 300
300
#B4BBFA
oklch(80.9% 0.089 279.3)
-
Step 400
400 (this color)
#858AEB
oklch(67.2% 0.142 279.6)
-
Step 500
500
#7677F3
oklch(63% 0.181 279.5)
-
Step 600
600
#615CE2
oklch(55.5% 0.197 279.5)
-
Step 700
700
#514BC5
oklch(49.2% 0.184 279.4)
-
Step 800
800
#423E9F
oklch(42.7% 0.152 279.6)
-
Step 900
900
#37367E
oklch(37.6% 0.119 279.7)
-
Step 950
950
#20204A
oklch(26.9% 0.076 280)
#858AEB 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) | #6697EF | 0.046 |
| Deuteranopia (no green cones) | #5F8FE9 | 0.046 |
| Tritanopia (no blue cones) | #649EAF | 0.125 |
| Achromatopsia (no color) | #939393 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858AEB
#858AEB
oklch(67.2% 0.142 279.6)
- #AB9600
#AB9600
oklch(67.1% 0.139 99.3)
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 #858AEB, closest first.
No curated palette has a color within ΔE 0.04 of #858AEB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.017
- Lavender Blue #8B88F8 ΔE 0.023
- Periwinkle #8E82FE ΔE 0.039
- Soft Blue #6488EA ΔE 0.043
- Periwinkle Blue #8F99FB ΔE 0.045
- Cornflower Blue #6495ED ΔE 0.045
- Cornflower #6A79F7 ΔE 0.064
- Medium Purple #9370DB ΔE 0.065
Use #858AEB 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.