#859CF7#859CF7

#859CF7 is a light, vivid blue. Relative luminance 0.355; OKLCH L 71.4% C 0.136 H 271.8°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#859CF7
RGB	rgb(133, 156, 247)
HSL	hsl(228, 88%, 75%)
HSV	hsv(228, 46%, 97%)
CMYK	cmyk(46.2%, 36.8%, 0%, 3.1%)
CIE-LAB	lab(66.12, 15.49, -48.04)
CIE-LCH	lch(66.12, 50.48, 287.88°)
OKLab	oklab(71.35% 0.0044 -0.1354)
OKLCH	oklch(71.35% 0.136 271.8)
XYZ	xyz(38.3445, 35.4767, 92.8049)
Luminance	0.3548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#859CF7 #F7E085

analogous

#85D5F7 #859CF7 #A785F7

triadic

#859CF7 #F7859C #9CF785

tetradic

#859CF7 #F785D5 #F7E085 #85F7A7

square

#859CF7 #F785D5 #F7E085 #85F7A7

split-complementary

#859CF7 #F7A785 #D5F785

monochromatic

#123FEF #4C6DF3 #859CF7 #BECBFB #E2E8FD

Accessibility & contrast

On white

2.59

#859CF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#859CF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #859CF7

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##859CF7	#FFFFFF	#000000	##000000
##859CF7	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA6FB

Deuteranopia (green-blind)

#6F9CF5

Tritanopia (blue-blind)

#5AAFBE

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #859cf7;
/* rgb */ color: rgb(133, 156, 247);
/* oklch */ color: oklch(71.4% 0.136 271.8);

Tailwind

colors: {
  custom: {
    50: '#aeb8fa',
    500: '#859cf7',
    950: '#000000',
  },
}

SCSS

$custom: #859cf7;
$custom-light: #aeb8fa;
$custom-dark: #000000;

JSON

{
  "hex": "#859cf7",
  "rgb": {
    "r": 133,
    "g": 156,
    "b": 247
  },
  "hsl": {
    "h": 227.895,
    "s": 87.692,
    "l": 74.51
  },
  "oklch": {
    "l": 0.71351,
    "c": 0.13551,
    "h": 271.8
  },
  "luminance": 0.35479
}

Semantic roles & 50–950 ramp

primary

#859CF7

secondary

#F5EFD6

accent

#B601E4

background

#FBFBFF

surface

#F6F6FF

border

#D0D0D7

text

#111117

muted

#808085

Preview Lab

Preview with #859CF7

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

Preview Lab → · Contrast checker → · Palette generator →