#859BF1#859BF1

#859BF1 is a light, vivid blue. Relative luminance 0.348; OKLCH L 70.8% C 0.128 H 271.9°. Best body text is #000000 at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#859BF1
RGB	rgb(133, 155, 241)
HSL	hsl(228, 79%, 73%)
HSV	hsv(228, 45%, 95%)
CMYK	cmyk(44.8%, 35.7%, 0%, 5.5%)
CIE-LAB	lab(65.58, 14.34, -45.61)
CIE-LCH	lch(65.58, 47.81, 287.45°)
OKLab	oklab(70.84% 0.0042 -0.1284)
OKLCH	oklch(70.84% 0.128 271.9)
XYZ	xyz(37.2664, 34.7781, 87.9512)
Luminance	0.3478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#859BF1 #F1DB85

analogous

#85D1F1 #859BF1 #A585F1

triadic

#859BF1 #F1859B #9BF185

tetradic

#859BF1 #F185D1 #F1DB85 #85F1A5

square

#859BF1 #F185D1 #F1DB85 #85F1A5

split-complementary

#859BF1 #F1A585 #D1F185

monochromatic

#1A43E2 #4E6EEB #859BF1 #BCC8F7 #E4E8FC

Accessibility & contrast

On white

2.64

#859BF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.96

#859BF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #859BF1

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##859BF1	#FFFFFF	#000000	##000000
##859BF1	1.00	2.64	7.96	7.96
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.96	21.00	1.00	1.00
##000000	7.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7CA4F4

Deuteranopia (green-blind)

#729BEF

Tritanopia (blue-blind)

#5EADBB

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #859bf1;
/* rgb */ color: rgb(133, 155, 241);
/* oklch */ color: oklch(70.8% 0.128 271.9);

Tailwind

colors: {
  custom: {
    50: '#adb8f6',
    500: '#859bf1',
    950: '#000000',
  },
}

SCSS

$custom: #859bf1;
$custom-light: #adb8f6;
$custom-dark: #000000;

JSON

{
  "hex": "#859bf1",
  "rgb": {
    "r": 133,
    "g": 155,
    "b": 241
  },
  "hsl": {
    "h": 227.778,
    "s": 79.412,
    "l": 73.333
  },
  "oklch": {
    "l": 0.7084,
    "c": 0.12844,
    "h": 271.9
  },
  "luminance": 0.3478
}

Semantic roles & 50–950 ramp

primary

#859BF1

secondary

#F4EED7

accent

#B10ADC

background

#FBFBFF

surface

#F6F6FE

border

#D0D0D6

text

#111117

muted

#808085

Preview Lab

Preview with #859BF1

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

Preview Lab → · Contrast checker → · Palette generator →