#858ECA
Closest named color: Perrywinkle (#8F8CE7). oklch(66.3% 0.09 277.1), rgb(133, 142, 202).
Aa
Black text reads best on this color (6.71:1).
About this color
#858ECA is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.090 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.048 away. Black text reads best on it, at 6.71:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 6.71:1 |
| White text | 3.12:1 |
Values
| HEX | #858ECA |
| RGB | rgb(133, 142, 202) |
| HSL | hsl(232, 39%, 66%) |
| OKLCH | oklch(66.3% 0.09 277.1) |
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 #858ECA | 3.12:1 | AA large text | Lc -63.6 | Content text, not long reading |
| Black text on #858ECA | 6.71:1 | AA | Lc 45.8 | Large or bold text, headings |
| #858ECA text on white | 3.12:1 | AA large text | Lc 58.2 | Large or bold text, headings |
| #858ECA text on black | 6.71:1 | AA | Lc -43.5 | 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 500.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D5D8EA
oklch(88.5% 0.025 278.3)
-
Step 300
300
#B9BFDD
oklch(81% 0.043 276.5)
-
Step 400
400
#959DCD
oklch(70.7% 0.071 277.1)
-
Step 500
500 (this color)
#858ECA
oklch(66.3% 0.09 277.1)
-
Step 600
600
#656DAC
oklch(55.5% 0.098 277.2)
-
Step 700
700
#545B94
oklch(49.1% 0.091 277.2)
-
Step 800
800
#454B78
oklch(42.8% 0.075 277)
-
Step 900
900
#3A3E61
oklch(37.6% 0.06 278.1)
-
Step 950
950
#222539
oklch(27.1% 0.037 277)
#858ECA 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) | #7B94CD | 0.019 |
| Deuteranopia (no green cones) | #778FC9 | 0.019 |
| Tritanopia (no blue cones) | #7299A3 | 0.079 |
| Achromatopsia (no color) | #929292 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858ECA
#858ECA
oklch(66.3% 0.09 277.1)
- #A29350
#A29350
oklch(66.2% 0.089 97)
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 #858ECA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.048
- Faded Blue #658CBB ΔE 0.048
- Silver Lake Blue #778DA9 ΔE 0.055
- Cool Gray #8D99AE ΔE 0.060
- Heather #A484AC ΔE 0.061
- Cornflower Blue #6495ED ΔE 0.061
- Wisteria #A87DC2 ΔE 0.063
- Blue Grey #758DA3 ΔE 0.065
Use #858ECA 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.