#858ECF
Closest named color: Perrywinkle (#8F8CE7). oklch(66.5% 0.097 277.4), rgb(133, 142, 207).
Aa
Black text reads best on this color (6.76:1).
About this color
#858ECF is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.097 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.041 away. Black text reads best on it, at 6.76:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 6.76:1 |
| White text | 3.10:1 |
Values
| HEX | #858ECF |
| RGB | rgb(133, 142, 207) |
| HSL | hsl(233, 44%, 67%) |
| OKLCH | oklch(66.5% 0.097 277.4) |
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 #858ECF | 3.10:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #858ECF | 6.76:1 | AA | Lc 46.1 | Large or bold text, headings |
| #858ECF text on white | 3.10:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #858ECF text on black | 6.76:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EB
oklch(88.5% 0.026 276.4)
-
Step 300
300
#B8BEE0
oklch(80.8% 0.048 277.4)
-
Step 400
400
#949DD0
oklch(70.8% 0.075 276.5)
-
Step 500
500 (this color)
#858ECF
oklch(66.5% 0.097 277.4)
-
Step 600
600
#646CB0
oklch(55.5% 0.106 277.3)
-
Step 700
700
#535A98
oklch(49.1% 0.099 277.2)
-
Step 800
800
#444A7B
oklch(42.7% 0.081 277.1)
-
Step 900
900
#393E63
oklch(37.7% 0.064 277)
-
Step 950
950
#22243A
oklch(26.9% 0.041 279.3)
#858ECF 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) | #7995D2 | 0.022 |
| Deuteranopia (no green cones) | #7590CD | 0.021 |
| Tritanopia (no blue cones) | #709BA5 | 0.087 |
| Achromatopsia (no color) | #929292 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858ECF
#858ECF
oklch(66.5% 0.097 277.4)
- #A4944A
#A4944A
oklch(66.5% 0.097 97.4)
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 #858ECF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.041
- Faded Blue #658CBB ΔE 0.053
- Cornflower Blue #6495ED ΔE 0.056
- Silver Lake Blue #778DA9 ΔE 0.062
- Soft Blue #6488EA ΔE 0.062
- Wisteria #A87DC2 ΔE 0.064
- Heather #A484AC ΔE 0.066
- Cool Gray #8D99AE ΔE 0.067
Use #858ECF 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.