#818BF8#818BF8

#818BF8 is a light, vivid blue. Relative luminance 0.299; OKLCH L 67.8% C 0.160 H 277.3°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#818BF8
RGB	rgb(129, 139, 248)
HSL	hsl(235, 89%, 74%)
HSV	hsv(235, 48%, 97%)
CMYK	cmyk(48%, 44%, 0%, 2.7%)
CIE-LAB	lab(61.57, 24.77, -55.81)
CIE-LCH	lch(61.57, 61.06, 293.93°)
OKLab	oklab(67.82% 0.0203 -0.1583)
OKLCH	oklch(67.82% 0.16 277.3)
XYZ	xyz(35.2239, 29.9077, 92.7055)
Luminance	0.2991 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818BF8 #F8EE81

analogous

#81C7F8 #818BF8 #B381F8

triadic

#818BF8 #F8818B #8BF881

tetradic

#818BF8 #F881C7 #F8EE81 #81F8B3

square

#818BF8 #F881C7 #F8EE81 #81F8B3

split-complementary

#818BF8 #F8B381 #C7F881

monochromatic

#0D21F1 #4756F5 #818BF8 #BBC0FB #E2E4FD

Accessibility & contrast

On white

3.01

#818BF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#818BF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818BF8

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818BF8	#FFFFFF	#000000	##000000
##818BF8	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E9AFC

Deuteranopia (green-blind)

#5490F6

Tritanopia (blue-blind)

#54A2B5

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #818bf8;
/* rgb */ color: rgb(129, 139, 248);
/* oklch */ color: oklch(67.8% 0.160 277.3);

Tailwind

colors: {
  custom: {
    50: '#acacfb',
    500: '#818bf8',
    950: '#000000',
  },
}

SCSS

$custom: #818bf8;
$custom-light: #acacfb;
$custom-dark: #000000;

JSON

{
  "hex": "#818bf8",
  "rgb": {
    "r": 129,
    "g": 139,
    "b": 248
  },
  "hsl": {
    "h": 234.958,
    "s": 89.474,
    "l": 73.922
  },
  "oklch": {
    "l": 0.6782,
    "c": 0.15961,
    "h": 277.3
  },
  "luminance": 0.2991
}

Semantic roles & 50–950 ramp

primary

#818BF8

secondary

#F5F3D6

accent

#D200E6

background

#FBFAFF

surface

#F6F4FF

border

#D0CED7

text

#111017

muted

#807F85

Preview Lab

Preview with #818BF8

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

Preview Lab → · Contrast checker → · Palette generator →