#859BFB#859BFB

#859BFB is a light, vivid blue. Relative luminance 0.354; OKLCH L 71.4% C 0.142 H 272.6°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#859BFB
RGB	rgb(133, 155, 251)
HSL	hsl(229, 94%, 75%)
HSV	hsv(229, 47%, 98%)
CMYK	cmyk(47%, 38.2%, 0%, 1.6%)
CIE-LAB	lab(66.05, 17.24, -50.33)
CIE-LCH	lch(66.05, 53.20, 288.91°)
OKLab	oklab(71.36% 0.0064 -0.1421)
OKLCH	oklch(71.36% 0.142 272.6)
XYZ	xyz(38.8013, 35.3920, 96.0349)
Luminance	0.3539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#859BFB #FBE585

analogous

#85D6FB #859BFB #AA85FB

triadic

#859BFB #FB859B #9BFB85

tetradic

#859BFB #FB85D6 #FBE585 #85FBAA

square

#859BFB #FB85D6 #FBE585 #85FBAA

split-complementary

#859BFB #FBAA85 #D6FB85

monochromatic

#0E3AF7 #4A6AF9 #859BFB #C0CCFD #E1E7FE

Accessibility & contrast

On white

2.60

#859BFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.08

#859BFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #859BFB

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##859BFB	#FFFFFF	#000000	##000000
##859BFB	1.00	2.60	8.08	8.08
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.08	21.00	1.00	1.00
##000000	8.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77A6FF

Deuteranopia (green-blind)

#6B9CF9

Tritanopia (blue-blind)

#58AFBF

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #859bfb;
/* rgb */ color: rgb(133, 155, 251);
/* oklch */ color: oklch(71.4% 0.142 272.6);

Tailwind

colors: {
  custom: {
    50: '#aeb8fd',
    500: '#859bfb',
    950: '#000000',
  },
}

SCSS

$custom: #859bfb;
$custom-light: #aeb8fd;
$custom-dark: #000000;

JSON

{
  "hex": "#859bfb",
  "rgb": {
    "r": 133,
    "g": 155,
    "b": 251
  },
  "hsl": {
    "h": 228.814,
    "s": 93.651,
    "l": 75.294
  },
  "oklch": {
    "l": 0.71364,
    "c": 0.14226,
    "h": 272.6
  },
  "luminance": 0.35394
}

Semantic roles & 50–950 ramp

primary

#859BFB

secondary

#F6F0D5

accent

#BB00E6

background

#FBFBFF

surface

#F6F6FF

border

#D0D0D7

text

#111117

muted

#808085

Preview Lab

Preview with #859BFB

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

Preview Lab → · Contrast checker → · Palette generator →