#677BC8#677BC8

#677BC8 is a mid, moderate blue. Relative luminance 0.212; OKLCH L 60.1% C 0.120 H 271.4°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#677BC8
RGB	rgb(103, 123, 200)
HSL	hsl(228, 47%, 59%)
HSV	hsv(228, 49%, 78%)
CMYK	cmyk(48.5%, 38.5%, 0%, 21.6%)
CIE-LAB	lab(53.19, 13.80, -42.38)
CIE-LCH	lch(53.19, 44.57, 288.04°)
OKLab	oklab(60.14% 0.0029 -0.1197)
OKLCH	oklch(60.14% 0.12 271.4)
XYZ	xyz(23.0985, 21.2182, 57.5108)
Luminance	0.2122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BC8 #C8B467

analogous

#67ACC8 #677BC8 #8467C8

triadic

#677BC8 #C8677B #7BC867

tetradic

#677BC8 #C867AC #C8B467 #67C884

square

#677BC8 #C867AC #C8B467 #67C884

split-complementary

#677BC8 #C88467 #ACC867

monochromatic

#304185 #4058B2 #677BC8 #94A2D8 #C1C9E9

Accessibility & contrast

On white

4.00

#677BC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#677BC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BC8

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BC8	#FFFFFF	#000000	##000000
##677BC8	1.00	4.00	5.24	5.24
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E83CB

Deuteranopia (green-blind)

#547BC6

Tritanopia (blue-blind)

#408B98

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #677bc8;
/* rgb */ color: rgb(103, 123, 200);
/* oklch */ color: oklch(60.1% 0.120 271.4);

Tailwind

colors: {
  custom: {
    50: '#98a0d9',
    500: '#677bc8',
    950: '#000000',
  },
}

SCSS

$custom: #677bc8;
$custom-light: #98a0d9;
$custom-dark: #000000;

JSON

{
  "hex": "#677bc8",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 200
  },
  "hsl": {
    "h": 227.629,
    "s": 46.86,
    "l": 59.412
  },
  "oklch": {
    "l": 0.60142,
    "c": 0.11973,
    "h": 271.4
  },
  "luminance": 0.2122
}

Semantic roles & 50–950 ramp

primary

#677BC8

secondary

#D8D1B3

accent

#BB51D6

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #677BC8

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

Preview Lab → · Contrast checker → · Palette generator →