#677BC6#677BC6

#677BC6 is a mid, moderate blue. Relative luminance 0.211; OKLCH L 60.0% C 0.117 H 271.2°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#677BC6
RGB	rgb(103, 123, 198)
HSL	hsl(227, 45%, 59%)
HSV	hsv(227, 48%, 78%)
CMYK	cmyk(48%, 37.9%, 0%, 22.4%)
CIE-LAB	lab(53.09, 13.19, -41.40)
CIE-LCH	lch(53.09, 43.45, 287.67°)
OKLab	oklab(60.03% 0.0025 -0.1168)
OKLCH	oklch(60.03% 0.117 271.2)
XYZ	xyz(22.8663, 21.1253, 56.2878)
Luminance	0.2113 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BC6 #C6B267

analogous

#67ABC6 #677BC6 #8367C6

triadic

#677BC6 #C6677B #7BC667

tetradic

#677BC6 #C667AB #C6B267 #67C683

square

#677BC6 #C667AB #C6B267 #67C683

split-complementary

#677BC6 #C68367 #ABC667

monochromatic

#314282 #4158AE #677BC6 #94A2D7 #C0C8E7

Accessibility & contrast

On white

4.02

#677BC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#677BC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BC6

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BC6	#FFFFFF	#000000	##000000
##677BC6	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F83C9

Deuteranopia (green-blind)

#557BC4

Tritanopia (blue-blind)

#428B97

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #677bc6;
/* rgb */ color: rgb(103, 123, 198);
/* oklch */ color: oklch(60.0% 0.117 271.2);

Tailwind

colors: {
  custom: {
    50: '#97a0d7',
    500: '#677bc6',
    950: '#000000',
  },
}

SCSS

$custom: #677bc6;
$custom-light: #97a0d7;
$custom-dark: #000000;

JSON

{
  "hex": "#677bc6",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 198
  },
  "hsl": {
    "h": 227.368,
    "s": 45.455,
    "l": 59.02
  },
  "oklch": {
    "l": 0.60032,
    "c": 0.11686,
    "h": 271.2
  },
  "luminance": 0.21127
}

Semantic roles & 50–950 ramp

primary

#677BC6

secondary

#D7CFB2

accent

#BA53D5

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #677BC6

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

Preview Lab → · Contrast checker → · Palette generator →