#859BF4#859BF4

#859BF4 is a light, vivid blue. Relative luminance 0.350; OKLCH L 71.0% C 0.133 H 272.1°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#859BF4
RGB	rgb(133, 155, 244)
HSL	hsl(228, 83%, 74%)
HSV	hsv(228, 45%, 96%)
CMYK	cmyk(45.5%, 36.5%, 0%, 4.3%)
CIE-LAB	lab(65.72, 15.20, -47.04)
CIE-LCH	lch(65.72, 49.43, 287.91°)
OKLab	oklab(70.99% 0.0049 -0.1325)
OKLCH	oklch(70.99% 0.133 272.1)
XYZ	xyz(37.7182, 34.9588, 90.3307)
Luminance	0.3496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#859BF4 #F4DE85

analogous

#85D3F4 #859BF4 #A785F4

triadic

#859BF4 #F4859B #9BF485

tetradic

#859BF4 #F485D3 #F4DE85 #85F4A7

square

#859BF4 #F485D3 #F4DE85 #85F4A7

split-complementary

#859BF4 #F4A785 #D3F485

monochromatic

#153FEA #4D6DEF #859BF4 #BDC9F9 #E3E8FC

Accessibility & contrast

On white

2.63

#859BF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.99

#859BF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #859BF4

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##859BF4	#FFFFFF	#000000	##000000
##859BF4	1.00	2.63	7.99	7.99
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.99	21.00	1.00	1.00
##000000	7.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA5F8

Deuteranopia (green-blind)

#709BF2

Tritanopia (blue-blind)

#5CADBC

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #859bf4;
/* rgb */ color: rgb(133, 155, 244);
/* oklch */ color: oklch(71.0% 0.133 272.1);

Tailwind

colors: {
  custom: {
    50: '#adb8f8',
    500: '#859bf4',
    950: '#000000',
  },
}

SCSS

$custom: #859bf4;
$custom-light: #adb8f8;
$custom-dark: #000000;

JSON

{
  "hex": "#859bf4",
  "rgb": {
    "r": 133,
    "g": 155,
    "b": 244
  },
  "hsl": {
    "h": 228.108,
    "s": 83.459,
    "l": 73.922
  },
  "oklch": {
    "l": 0.70995,
    "c": 0.1326,
    "h": 272.1
  },
  "luminance": 0.34961
}

Semantic roles & 50–950 ramp

primary

#859BF4

secondary

#F4EED7

accent

#B506E0

background

#FBFBFF

surface

#F6F6FF

border

#D0D0D7

text

#111117

muted

#808085

Preview Lab

Preview with #859BF4

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

Preview Lab → · Contrast checker → · Palette generator →