#677BE4#677BE4

#677BE4 is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.8% C 0.159 H 272.8°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#677BE4
RGB	rgb(103, 123, 228)
HSL	hsl(230, 70%, 65%)
HSV	hsv(230, 55%, 89%)
CMYK	cmyk(54.8%, 46.1%, 0%, 10.6%)
CIE-LAB	lab(54.71, 22.58, -55.77)
CIE-LCH	lch(54.71, 60.17, 292.04°)
OKLab	oklab(61.8% 0.0078 -0.1589)
OKLCH	oklch(61.8% 0.159 272.8)
XYZ	xyz(26.6755, 22.6490, 76.3498)
Luminance	0.2265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BE4 #E4D067

analogous

#67B9E4 #677BE4 #9267E4

triadic

#677BE4 #E4677B #7BE467

tetradic

#677BE4 #E467B9 #E4D067 #67E492

square

#677BE4 #E467B9 #E4D067 #67E492

split-complementary

#677BE4 #E49267 #B9E467

monochromatic

#1F37B1 #334EDB #677BE4 #9BA8ED #CFD5F6

Accessibility & contrast

On white

3.80

#677BE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#677BE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BE4

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BE4	#FFFFFF	#000000	##000000
##677BE4	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B89E8

Deuteranopia (green-blind)

#3B7EE2

Tritanopia (blue-blind)

#2292A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #677be4;
/* rgb */ color: rgb(103, 123, 228);
/* oklch */ color: oklch(61.8% 0.159 272.8);

Tailwind

colors: {
  custom: {
    50: '#9ba0ed',
    500: '#677be4',
    950: '#000000',
  },
}

SCSS

$custom: #677be4;
$custom-light: #9ba0ed;
$custom-dark: #000000;

JSON

{
  "hex": "#677be4",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 228
  },
  "hsl": {
    "h": 230.4,
    "s": 69.832,
    "l": 64.902
  },
  "oklch": {
    "l": 0.61801,
    "c": 0.15911,
    "h": 272.8
  },
  "luminance": 0.22651
}

Semantic roles & 50–950 ramp

primary

#677BE4

secondary

#E9E2BE

accent

#B314D2

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #677BE4

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

Preview Lab → · Contrast checker → · Palette generator →