#858AEF
Closest named color: Lavender Blue (#8B88F8). oklch(67.4% 0.148 279.5), rgb(133, 138, 239).
Aa
Black text reads best on this color (6.87:1).
About this color
#858AEF is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.148 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.017 away. Black text reads best on it, at 6.87:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Lavender Blue (#8B88F8) |
| Black text | 6.87:1 |
| White text | 3.05:1 |
Values
| HEX | #858AEF |
| RGB | rgb(133, 138, 239) |
| HSL | hsl(237, 77%, 73%) |
| OKLCH | oklch(67.4% 0.148 279.5) |
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 #858AEF | 3.05:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #858AEF | 6.87:1 | AA | Lc 46.8 | Large or bold text, headings |
| #858AEF text on white | 3.05:1 | AA large text | Lc 57.2 | Large or bold text, headings |
| #858AEF text on black | 6.87:1 | AA | Lc -44.5 | 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
#E6E8FC
oklch(93.5% 0.027 281.3)
-
Step 200
200
#D1D6FB
oklch(88.4% 0.051 279.2)
-
Step 300
300
#B4BBFC
oklch(81% 0.092 279.4)
-
Step 400
400 (this color)
#858AEF
oklch(67.4% 0.148 279.5)
-
Step 500
500
#7676F8
oklch(63.2% 0.189 279.5)
-
Step 600
600
#615AE6
oklch(55.5% 0.205 279.6)
-
Step 700
700
#5149C8
oklch(49.1% 0.19 279.6)
-
Step 800
800
#423DA2
oklch(42.7% 0.158 279.6)
-
Step 900
900
#373580
oklch(37.6% 0.123 279.9)
-
Step 950
950
#20204B
oklch(27% 0.078 279.9)
#858AEF 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) | #6498F3 | 0.049 |
| Deuteranopia (no green cones) | #5C90ED | 0.049 |
| Tritanopia (no blue cones) | #619FB1 | 0.130 |
| Achromatopsia (no color) | #949494 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858AEF
#858AEF
oklch(67.4% 0.148 279.5)
- #AC9700
#AC9700
oklch(67.4% 0.14 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 #858AEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Blue #8B88F8 ΔE 0.017
- Perrywinkle #8F8CE7 ΔE 0.020
- Periwinkle #8E82FE ΔE 0.034
- Periwinkle Blue #8F99FB ΔE 0.043
- Soft Blue #6488EA ΔE 0.043
- Cornflower Blue #6495ED ΔE 0.046
- Cornflower #6A79F7 ΔE 0.062
- Medium Purple #9370DB ΔE 0.066
Use #858AEF 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.