#858EEF
Closest named color: Perrywinkle (#8F8CE7). oklch(68.2% 0.142 277.9), rgb(133, 142, 239).
Aa
Black text reads best on this color (7.11:1).
About this color
#858EEF is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.142 and its hue 278°. 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 7.11:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.11:1 |
| White text | 2.95:1 |
Values
| HEX | #858EEF |
| RGB | rgb(133, 142, 239) |
| HSL | hsl(235, 77%, 73%) |
| OKLCH | oklch(68.2% 0.142 277.9) |
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 #858EEF | 2.95:1 | Fails | Lc -61.2 | Content text, not long reading |
| Black text on #858EEF | 7.11:1 | AAA | Lc 48.1 | Large or bold text, headings |
| #858EEF text on white | 2.95:1 | Fails | Lc 55.9 | Large or bold text, headings |
| #858EEF text on black | 7.11:1 | AAA | Lc -45.9 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#D1D7FA
oklch(88.6% 0.049 277.7)
-
Step 300
300
#B3BCFA
oklch(81% 0.088 277.8)
-
Step 400
400 (this color)
#858EEF
oklch(68.2% 0.142 277.9)
-
Step 500
500
#7378F4
oklch(63.1% 0.182 278.1)
-
Step 600
600
#5E5DE3
oklch(55.6% 0.198 278.1)
-
Step 700
700
#4E4CC5
oklch(49.2% 0.183 278)
-
Step 800
800
#3F3F9F
oklch(42.6% 0.152 277.8)
-
Step 900
900
#35377F
oklch(37.8% 0.119 277.8)
-
Step 950
950
#1F214A
oklch(27.1% 0.075 278.1)
#858EEF 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) | #6A9AF3 | 0.041 |
| Deuteranopia (no green cones) | #6292ED | 0.042 |
| Tritanopia (no blue cones) | #61A2B3 | 0.125 |
| Achromatopsia (no color) | #969696 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858EEF
#858EEF
oklch(68.2% 0.142 277.9)
- #B09800
#B09800
oklch(68.1% 0.141 97.9)
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 #858EEF, closest first.
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 Blue #8F99FB ΔE 0.035
- Periwinkle #8E82FE ΔE 0.041
- Cornflower Blue #6495ED ΔE 0.041
- Soft Blue #6488EA ΔE 0.046
- Chefchaouen Blue #4895EF ΔE 0.065
- Cornflower #6A79F7 ΔE 0.070
Use #858EEF 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.