#858FCF
Closest named color: Perrywinkle (#8F8CE7). oklch(66.7% 0.096 276.7), rgb(133, 143, 207).
Aa
Black text reads best on this color (6.82:1).
About this color
#858FCF is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.096 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.042 away. Black text reads best on it, at 6.82:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 6.82:1 |
| White text | 3.07:1 |
Values
| HEX | #858FCF |
| RGB | rgb(133, 143, 207) |
| HSL | hsl(232, 44%, 67%) |
| OKLCH | oklch(66.7% 0.096 276.7) |
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 #858FCF | 3.07:1 | AA large text | Lc -63.0 | Content text, not long reading |
| Black text on #858FCF | 6.82:1 | AA | Lc 46.4 | Large or bold text, headings |
| #858FCF text on white | 3.07:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #858FCF text on black | 6.82:1 | AA | Lc -44.1 | 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
#B8BFDF
oklch(81% 0.046 275.6)
-
Step 400
400
#949DD0
oklch(70.8% 0.075 276.5)
-
Step 500
500 (this color)
#858FCF
oklch(66.7% 0.096 276.7)
-
Step 600
600
#646DB0
oklch(55.7% 0.104 276.6)
-
Step 700
700
#535B97
oklch(49.2% 0.096 276.5)
-
Step 800
800
#444A7A
oklch(42.6% 0.08 277)
-
Step 900
900
#393E63
oklch(37.7% 0.064 277)
-
Step 950
950
#21253A
oklch(27.1% 0.04 275.2)
#858FCF 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) | #7B96D2 | 0.021 |
| Deuteranopia (no green cones) | #7690CD | 0.020 |
| Tritanopia (no blue cones) | #709BA6 | 0.084 |
| Achromatopsia (no color) | #939393 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858FCF
#858FCF
oklch(66.7% 0.096 276.7)
- #A5944C
#A5944C
oklch(66.6% 0.095 96.3)
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 #858FCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.042
- Faded Blue #658CBB ΔE 0.053
- Cornflower Blue #6495ED ΔE 0.056
- Silver Lake Blue #778DA9 ΔE 0.062
- Soft Blue #6488EA ΔE 0.064
- Cool Gray #8D99AE ΔE 0.065
- Wisteria #A87DC2 ΔE 0.065
- Heather #A484AC ΔE 0.066
Use #858FCF 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.