#677BD5#677BD5

#677BD5 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.9% C 0.138 H 272.3°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#677BD5
RGB	rgb(103, 123, 213)
HSL	hsl(229, 57%, 62%)
HSV	hsv(229, 52%, 84%)
CMYK	cmyk(51.6%, 42.3%, 0%, 16.5%)
CIE-LAB	lab(53.87, 17.84, -48.67)
CIE-LCH	lch(53.87, 51.84, 290.13°)
OKLab	oklab(60.89% 0.0055 -0.1381)
OKLCH	oklch(60.89% 0.138 272.3)
XYZ	xyz(24.6829, 21.8520, 65.8551)
Luminance	0.2185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BD5 #D5C167

analogous

#67B2D5 #677BD5 #8A67D5

triadic

#677BD5 #D5677B #7BD567

tetradic

#677BD5 #D567B2 #D5C167 #67D58A

square

#677BD5 #D567B2 #D5C167 #67D58A

split-complementary

#677BD5 #D58A67 #B2D567

monochromatic

#2A3E98 #3751C8 #677BD5 #97A5E2 #C7CEEF

Accessibility & contrast

On white

3.91

#677BD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#677BD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BD5

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BD5	#FFFFFF	#000000	##000000
##677BD5	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5686D8

Deuteranopia (green-blind)

#4A7CD3

Tritanopia (blue-blind)

#358E9E

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677bd5;
/* rgb */ color: rgb(103, 123, 213);
/* oklch */ color: oklch(60.9% 0.138 272.3);

Tailwind

colors: {
  custom: {
    50: '#99a0e2',
    500: '#677bd5',
    950: '#000000',
  },
}

SCSS

$custom: #677bd5;
$custom-light: #99a0e2;
$custom-dark: #000000;

JSON

{
  "hex": "#677bd5",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 213
  },
  "hsl": {
    "h": 229.091,
    "s": 56.701,
    "l": 61.961
  },
  "oklch": {
    "l": 0.60888,
    "c": 0.1382,
    "h": 272.3
  },
  "luminance": 0.21854
}

Semantic roles & 50–950 ramp

primary

#677BD5

secondary

#E0D9B8

accent

#A721C4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #677BD5

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

Preview Lab → · Contrast checker → · Palette generator →