#858CCC
Closest named color: Perrywinkle (#8F8CE7). oklch(66% 0.095 278.6), rgb(133, 140, 204).
Aa
Black text reads best on this color (6.62:1).
About this color
#858CCC is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.095 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.044 away. Black text reads best on it, at 6.62:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 6.62:1 |
| White text | 3.17:1 |
Values
| HEX | #858CCC |
| RGB | rgb(133, 140, 204) |
| HSL | hsl(234, 41%, 66%) |
| OKLCH | oklch(66% 0.095 278.6) |
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 #858CCC | 3.17:1 | AA large text | Lc -64.2 | Content text, not long reading |
| Black text on #858CCC | 6.62:1 | AA | Lc 45.2 | Large or bold text, headings |
| #858CCC text on white | 3.17:1 | AA large text | Lc 58.8 | Large or bold text, headings |
| #858CCC text on black | 6.62:1 | AA | Lc -42.9 | 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
#D5D8EB
oklch(88.6% 0.026 278.7)
-
Step 300
300
#B9BEDF
oklch(80.8% 0.047 278.5)
-
Step 400
400
#969CCF
oklch(70.7% 0.075 279.1)
-
Step 500
500 (this color)
#858CCC
oklch(66% 0.095 278.6)
-
Step 600
600
#666CAF
oklch(55.6% 0.104 278.6)
-
Step 700
700
#555A96
oklch(49.1% 0.096 278.6)
-
Step 800
800
#454A7A
oklch(42.7% 0.079 277.9)
-
Step 900
900
#3A3E62
oklch(37.7% 0.062 278.2)
-
Step 950
950
#22243A
oklch(26.9% 0.041 279.3)
#858CCC 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) | #7893CF | 0.023 |
| Deuteranopia (no green cones) | #748ECA | 0.023 |
| Tritanopia (no blue cones) | #7198A3 | 0.084 |
| Achromatopsia (no color) | #919191 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858CCC
#858CCC
oklch(66% 0.095 278.6)
- #A1934A
#A1934A
oklch(66% 0.095 98.7)
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 #858CCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.044
- Faded Blue #658CBB ΔE 0.050
- Silver Lake Blue #778DA9 ΔE 0.059
- Cornflower Blue #6495ED ΔE 0.060
- Wisteria #A87DC2 ΔE 0.061
- Heather #A484AC ΔE 0.063
- Soft Blue #6488EA ΔE 0.063
- Cool Gray #8D99AE ΔE 0.067
Use #858CCC 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.