#677BE9#677BE9

#677BE9 is a light, vivid blue. Relative luminance 0.229; OKLCH L 62.1% C 0.166 H 272.9°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#677BE9
RGB	rgb(103, 123, 233)
HSL	hsl(231, 75%, 66%)
HSV	hsv(231, 56%, 91%)
CMYK	cmyk(55.8%, 47.2%, 0%, 8.6%)
CIE-LAB	lab(55.00, 24.18, -58.10)
CIE-LCH	lch(55.00, 62.93, 292.60°)
OKLab	oklab(62.12% 0.0084 -0.1658)
OKLCH	oklch(62.12% 0.166 272.9)
XYZ	xyz(27.3797, 22.9307, 80.0583)
Luminance	0.2293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BE9 #E9D567

analogous

#67BCE9 #677BE9 #9467E9

triadic

#677BE9 #E9677B #7BE967

tetradic

#677BE9 #E967BC #E9D567 #67E994

square

#677BE9 #E967BC #E9D567 #67E994

split-complementary

#677BE9 #E99467 #BCE967

monochromatic

#1B34BB #324DE1 #677BE9 #9CA9F1 #D2D8F8

Accessibility & contrast

On white

3.76

#677BE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#677BE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BE9

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BE9	#FFFFFF	#000000	##000000
##677BE9	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4789ED

Deuteranopia (green-blind)

#347EE7

Tritanopia (blue-blind)

#1894A7

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #677be9;
/* rgb */ color: rgb(103, 123, 233);
/* oklch */ color: oklch(62.1% 0.166 272.9);

Tailwind

colors: {
  custom: {
    50: '#9ca0f1',
    500: '#677be9',
    950: '#000000',
  },
}

SCSS

$custom: #677be9;
$custom-light: #9ca0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#677be9",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 233
  },
  "hsl": {
    "h": 230.769,
    "s": 74.713,
    "l": 65.882
  },
  "oklch": {
    "l": 0.62117,
    "c": 0.16597,
    "h": 272.9
  },
  "luminance": 0.22933
}

Semantic roles & 50–950 ramp

primary

#677BE9

secondary

#EBE5C0

accent

#B80FD7

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #677BE9

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

Preview Lab → · Contrast checker → · Palette generator →