#859BF0#859BF0

#859BF0 is a light, vivid blue. Relative luminance 0.347; OKLCH L 70.8% C 0.127 H 271.8°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#859BF0
RGB	rgb(133, 155, 240)
HSL	hsl(228, 78%, 73%)
HSV	hsv(228, 45%, 94%)
CMYK	cmyk(44.6%, 35.4%, 0%, 5.9%)
CIE-LAB	lab(65.53, 14.05, -45.14)
CIE-LCH	lch(65.53, 47.28, 287.29°)
OKLab	oklab(70.79% 0.004 -0.127)
OKLCH	oklch(70.79% 0.127 271.8)
XYZ	xyz(37.1175, 34.7185, 87.1667)
Luminance	0.3472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#859BF0 #F0DA85

analogous

#85D0F0 #859BF0 #A485F0

triadic

#859BF0 #F0859B #9BF085

tetradic

#859BF0 #F085D0 #F0DA85 #85F0A4

square

#859BF0 #F085D0 #F0DA85 #85F0A4

split-complementary

#859BF0 #F0A485 #D0F085

monochromatic

#1B44DF #4E6EE9 #859BF0 #BBC8F7 #E4E9FC

Accessibility & contrast

On white

2.64

#859BF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#859BF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #859BF0

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##859BF0	#FFFFFF	#000000	##000000
##859BF0	1.00	2.64	7.94	7.94
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7CA4F3

Deuteranopia (green-blind)

#729BEE

Tritanopia (blue-blind)

#5FADBA

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #859bf0;
/* rgb */ color: rgb(133, 155, 240);
/* oklch */ color: oklch(70.8% 0.127 271.8);

Tailwind

colors: {
  custom: {
    50: '#adb8f5',
    500: '#859bf0',
    950: '#000000',
  },
}

SCSS

$custom: #859bf0;
$custom-light: #adb8f5;
$custom-dark: #000000;

JSON

{
  "hex": "#859bf0",
  "rgb": {
    "r": 133,
    "g": 155,
    "b": 240
  },
  "hsl": {
    "h": 227.664,
    "s": 78.102,
    "l": 73.137
  },
  "oklch": {
    "l": 0.70789,
    "c": 0.12705,
    "h": 271.8
  },
  "luminance": 0.34721
}

Semantic roles & 50–950 ramp

primary

#859BF0

secondary

#F3EED8

accent

#B00BDA

background

#FBFBFF

surface

#F6F6FE

border

#D0D0D6

text

#111117

muted

#808085

Preview Lab

Preview with #859BF0

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

Preview Lab → · Contrast checker → · Palette generator →