#677BC5#677BC5

#677BC5 is a mid, moderate blue. Relative luminance 0.211; OKLCH L 60.0% C 0.115 H 271.1°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#677BC5
RGB	rgb(103, 123, 197)
HSL	hsl(227, 45%, 59%)
HSV	hsv(227, 48%, 77%)
CMYK	cmyk(47.7%, 37.6%, 0%, 22.7%)
CIE-LAB	lab(53.04, 12.88, -40.91)
CIE-LCH	lch(53.04, 42.89, 287.48°)
OKLab	oklab(59.98% 0.0023 -0.1154)
OKLCH	oklch(59.98% 0.115 271.1)
XYZ	xyz(22.7513, 21.0793, 55.6824)
Luminance	0.2108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BC5 #C5B167

analogous

#67AAC5 #677BC5 #8267C5

triadic

#677BC5 #C5677B #7BC567

tetradic

#677BC5 #C567AA #C5B167 #67C582

square

#677BC5 #C567AA #C5B167 #67C582

split-complementary

#677BC5 #C58267 #AAC567

monochromatic

#314281 #4259AD #677BC5 #93A1D6 #C0C8E7

Accessibility & contrast

On white

4.03

#677BC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#677BC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BC5

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BC5	#FFFFFF	#000000	##000000
##677BC5	1.00	4.03	5.22	5.22
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F83C8

Deuteranopia (green-blind)

#567BC3

Tritanopia (blue-blind)

#428A97

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #677bc5;
/* rgb */ color: rgb(103, 123, 197);
/* oklch */ color: oklch(60.0% 0.115 271.1);

Tailwind

colors: {
  custom: {
    50: '#97a0d7',
    500: '#677bc5',
    950: '#000000',
  },
}

SCSS

$custom: #677bc5;
$custom-light: #97a0d7;
$custom-dark: #000000;

JSON

{
  "hex": "#677bc5",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 197
  },
  "hsl": {
    "h": 227.234,
    "s": 44.762,
    "l": 58.824
  },
  "oklch": {
    "l": 0.59976,
    "c": 0.11542,
    "h": 271.1
  },
  "luminance": 0.21081
}

Semantic roles & 50–950 ramp

primary

#677BC5

secondary

#D6CFB1

accent

#B953D4

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #677BC5

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

Preview Lab → · Contrast checker → · Palette generator →