#859EEF#859EEF

#859EEF is a light, vivid blue. Relative luminance 0.357; OKLCH L 71.3% C 0.122 H 270.1°. Best body text is #000000 at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#859EEF
RGB	rgb(133, 158, 239)
HSL	hsl(226, 77%, 73%)
HSV	hsv(226, 44%, 94%)
CMYK	cmyk(44.4%, 33.9%, 0%, 6.3%)
CIE-LAB	lab(66.27, 12.04, -43.43)
CIE-LCH	lch(66.27, 45.07, 285.49°)
OKLab	oklab(71.34% 0.0001 -0.122)
OKLCH	oklch(71.34% 0.122 270.1)
XYZ	xyz(37.4748, 35.6702, 86.5550)
Luminance	0.3567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#859EEF #EFD685

analogous

#85D3EF #859EEF #A185EF

triadic

#859EEF #EF859E #9EEF85

tetradic

#859EEF #EF85D3 #EFD685 #85EFA1

square

#859EEF #EF85D3 #EFD685 #85EFA1

split-complementary

#859EEF #EFA185 #D3EF85

monochromatic

#1D4ADD #4F73E8 #859EEF #BBC9F6 #E4E9FB

Accessibility & contrast

On white

2.58

#859EEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.13

#859EEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #859EEF

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##859EEF	#FFFFFF	#000000	##000000
##859EEF	1.00	2.58	8.13	8.13
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.13	21.00	1.00	1.00
##000000	8.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A6F2

Deuteranopia (green-blind)

#779DED

Tritanopia (blue-blind)

#5FAFBB

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #859eef;
/* rgb */ color: rgb(133, 158, 239);
/* oklch */ color: oklch(71.3% 0.122 270.1);

Tailwind

colors: {
  custom: {
    50: '#adbaf4',
    500: '#859eef',
    950: '#000000',
  },
}

SCSS

$custom: #859eef;
$custom-light: #adbaf4;
$custom-dark: #000000;

JSON

{
  "hex": "#859eef",
  "rgb": {
    "r": 133,
    "g": 158,
    "b": 239
  },
  "hsl": {
    "h": 225.849,
    "s": 76.812,
    "l": 72.941
  },
  "oklch": {
    "l": 0.71344,
    "c": 0.12202,
    "h": 270.1
  },
  "luminance": 0.35672
}

Semantic roles & 50–950 ramp

primary

#859EEF

secondary

#F3EDD8

accent

#A90CD9

background

#FAFBFE

surface

#F5F6FD

border

#CFD0D5

text

#111117

muted

#808085

Preview Lab

Preview with #859EEF

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

Preview Lab → · Contrast checker → · Palette generator →