#677CF9#677CF9

#677CF9 is a light, vivid blue. Relative luminance 0.241; OKLCH L 63.4% C 0.186 H 272.8°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#677CF9
RGB	rgb(103, 124, 249)
HSL	hsl(231, 92%, 69%)
HSV	hsv(231, 59%, 98%)
CMYK	cmyk(58.6%, 50.2%, 0%, 2.4%)
CIE-LAB	lab(56.22, 28.72, -65.02)
CIE-LCH	lch(56.22, 71.08, 293.83°)
OKLab	oklab(63.36% 0.0091 -0.1861)
OKLCH	oklch(63.36% 0.186 272.8)
XYZ	xyz(29.8944, 24.1361, 92.6876)
Luminance	0.2414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CF9 #F9E467

analogous

#67C5F9 #677CF9 #9B67F9

triadic

#677CF9 #F9677C #7CF967

tetradic

#677CF9 #F967C5 #F9E467 #67F99B

square

#677CF9 #F967C5 #F9E467 #67F99B

split-complementary

#677CF9 #F99B67 #C5F967

monochromatic

#0927DD #2C49F7 #677CF9 #A2AFFB #DDE1FE

Accessibility & contrast

On white

3.60

#677CF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#677CF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CF9

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CF9	#FFFFFF	#000000	##000000
##677CF9	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#378DFD

Deuteranopia (green-blind)

#1581F6

Tritanopia (blue-blind)

#0099AF

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #677cf9;
/* rgb */ color: rgb(103, 124, 249);
/* oklch */ color: oklch(63.4% 0.186 272.8);

Tailwind

colors: {
  custom: {
    50: '#9ea1fc',
    500: '#677cf9',
    950: '#000000',
  },
}

SCSS

$custom: #677cf9;
$custom-light: #9ea1fc;
$custom-dark: #000000;

JSON

{
  "hex": "#677cf9",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 249
  },
  "hsl": {
    "h": 231.37,
    "s": 92.405,
    "l": 69.02
  },
  "oklch": {
    "l": 0.63355,
    "c": 0.18633,
    "h": 272.8
  },
  "luminance": 0.24138
}

Semantic roles & 50–950 ramp

primary

#677CF9

secondary

#F3EDC8

accent

#C400E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#100F18

muted

#7F7E86

Preview Lab

Preview with #677CF9

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

Preview Lab → · Contrast checker → · Palette generator →