#677BC7#677BC7

#677BC7 is a mid, moderate blue. Relative luminance 0.212; OKLCH L 60.1% C 0.118 H 271.3°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#677BC7
RGB	rgb(103, 123, 199)
HSL	hsl(228, 46%, 59%)
HSV	hsv(228, 48%, 78%)
CMYK	cmyk(48.2%, 38.2%, 0%, 22%)
CIE-LAB	lab(53.14, 13.49, -41.89)
CIE-LCH	lch(53.14, 44.01, 287.85°)
OKLab	oklab(60.09% 0.0027 -0.1183)
OKLCH	oklch(60.09% 0.118 271.3)
XYZ	xyz(22.9820, 21.1716, 56.8973)
Luminance	0.2117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BC7 #C7B367

analogous

#67ABC7 #677BC7 #8367C7

triadic

#677BC7 #C7677B #7BC767

tetradic

#677BC7 #C767AB #C7B367 #67C783

square

#677BC7 #C767AB #C7B367 #67C783

split-complementary

#677BC7 #C78367 #ABC767

monochromatic

#304283 #4158B0 #677BC7 #94A2D7 #C0C9E8

Accessibility & contrast

On white

4.01

#677BC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#677BC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BC7

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BC7	#FFFFFF	#000000	##000000
##677BC7	1.00	4.01	5.23	5.23
#FFFFFF	4.01	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)

#5E83CA

Deuteranopia (green-blind)

#557BC5

Tritanopia (blue-blind)

#418B97

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #677bc7;
/* rgb */ color: rgb(103, 123, 199);
/* oklch */ color: oklch(60.1% 0.118 271.3);

Tailwind

colors: {
  custom: {
    50: '#97a0d8',
    500: '#677bc7',
    950: '#000000',
  },
}

SCSS

$custom: #677bc7;
$custom-light: #97a0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#677bc7",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 199
  },
  "hsl": {
    "h": 227.5,
    "s": 46.154,
    "l": 59.216
  },
  "oklch": {
    "l": 0.60087,
    "c": 0.11829,
    "h": 271.3
  },
  "luminance": 0.21173
}

Semantic roles & 50–950 ramp

primary

#677BC7

secondary

#D8D0B2

accent

#BA52D6

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #677BC7

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

Preview Lab → · Contrast checker → · Palette generator →