#858BDF
Closest named color: Perrywinkle (#8F8CE7). oklch(66.7% 0.124 279.4), rgb(133, 139, 223).
Aa
Black text reads best on this color (6.75:1).
About this color
#858BDF is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.124 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.019 away. Black text reads best on it, at 6.75:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 6.75:1 |
| White text | 3.10:1 |
Values
| HEX | #858BDF |
| RGB | rgb(133, 139, 223) |
| HSL | hsl(236, 58%, 70%) |
| OKLCH | oklch(66.7% 0.124 279.4) |
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 #858BDF | 3.10:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #858BDF | 6.75:1 | AA | Lc 46.1 | Large or bold text, headings |
| #858BDF text on white | 3.10:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #858BDF text on black | 6.75:1 | AA | Lc -43.8 | 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 500.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F0
oklch(88.5% 0.034 280.2)
-
Step 300
300
#B8BDE8
oklch(80.9% 0.061 279.7)
-
Step 400
400
#949ADC
oklch(70.7% 0.097 279.6)
-
Step 500
500 (this color)
#858BDF
oklch(66.7% 0.124 279.4)
-
Step 600
600
#6468C0
oklch(55.6% 0.135 279.1)
-
Step 700
700
#5356A6
oklch(49.1% 0.126 279.1)
-
Step 800
800
#444786
oklch(42.7% 0.103 279)
-
Step 900
900
#393C6C
oklch(37.8% 0.081 279)
-
Step 950
950
#21233F
oklch(26.9% 0.052 279.2)
#858BDF 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) | #6E96E2 | 0.037 |
| Deuteranopia (no green cones) | #698FDD | 0.036 |
| Tritanopia (no blue cones) | #6A9CAA | 0.110 |
| Achromatopsia (no color) | #929292 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858BDF
#858BDF
oklch(66.7% 0.124 279.4)
- #A7952A
#A7952A
oklch(66.7% 0.124 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 #858BDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.019
- Lavender Blue #8B88F8 ΔE 0.041
- Cornflower Blue #6495ED ΔE 0.046
- Soft Blue #6488EA ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.053
- Periwinkle #8E82FE ΔE 0.056
- Medium Purple #9370DB ΔE 0.068
- Chefchaouen Blue #4895EF ΔE 0.068
Use #858BDF 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.