#859BF3#859BF3

#859BF3 is a light, vivid blue. Relative luminance 0.349; OKLCH L 70.9% C 0.131 H 272.0°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#859BF3
RGB	rgb(133, 155, 243)
HSL	hsl(228, 82%, 74%)
HSV	hsv(228, 45%, 95%)
CMYK	cmyk(45.3%, 36.2%, 0%, 4.7%)
CIE-LAB	lab(65.67, 14.91, -46.56)
CIE-LCH	lch(65.67, 48.89, 287.76°)
OKLab	oklab(70.94% 0.0047 -0.1311)
OKLCH	oklch(70.94% 0.131 272)
XYZ	xyz(37.5668, 34.8982, 89.5332)
Luminance	0.3490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#859BF3 #F3DD85

analogous

#85D2F3 #859BF3 #A685F3

triadic

#859BF3 #F3859B #9BF385

tetradic

#859BF3 #F385D2 #F3DD85 #85F3A6

square

#859BF3 #F385D2 #F3DD85 #85F3A6

split-complementary

#859BF3 #F3A685 #D2F385

monochromatic

#1740E7 #4D6DEE #859BF3 #BDC9F8 #E3E8FC

Accessibility & contrast

On white

2.63

#859BF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#859BF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #859BF3

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##859BF3	#FFFFFF	#000000	##000000
##859BF3	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7BA4F7

Deuteranopia (green-blind)

#719BF1

Tritanopia (blue-blind)

#5DADBC

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #859bf3;
/* rgb */ color: rgb(133, 155, 243);
/* oklch */ color: oklch(70.9% 0.131 272.0);

Tailwind

colors: {
  custom: {
    50: '#adb8f7',
    500: '#859bf3',
    950: '#000000',
  },
}

SCSS

$custom: #859bf3;
$custom-light: #adb8f7;
$custom-dark: #000000;

JSON

{
  "hex": "#859bf3",
  "rgb": {
    "r": 133,
    "g": 155,
    "b": 243
  },
  "hsl": {
    "h": 228,
    "s": 82.09,
    "l": 73.725
  },
  "oklch": {
    "l": 0.70943,
    "c": 0.13121,
    "h": 272
  },
  "luminance": 0.349
}

Semantic roles & 50–950 ramp

primary

#859BF3

secondary

#F4EED7

accent

#B307DE

background

#FBFBFF

surface

#F6F6FF

border

#D0D0D7

text

#111117

muted

#808085

Preview Lab

Preview with #859BF3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →