#677AC8#677AC8

#677AC8 is a mid, vivid blue. Relative luminance 0.210; OKLCH L 59.9% C 0.121 H 272.0°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#677AC8
RGB	rgb(103, 122, 200)
HSL	hsl(228, 47%, 59%)
HSV	hsv(228, 49%, 78%)
CMYK	cmyk(48.5%, 39%, 0%, 21.6%)
CIE-LAB	lab(52.92, 14.40, -42.81)
CIE-LCH	lch(52.92, 45.16, 288.60°)
OKLab	oklab(59.94% 0.0041 -0.1209)
OKLCH	oklch(59.94% 0.121 272)
XYZ	xyz(22.9751, 20.9714, 57.4696)
Luminance	0.2097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677AC8 #C8B567

analogous

#67ABC8 #677AC8 #8467C8

triadic

#677AC8 #C8677A #7AC867

tetradic

#677AC8 #C867AB #C8B567 #67C884

square

#677AC8 #C867AB #C8B567 #67C884

split-complementary

#677AC8 #C88467 #ABC867

monochromatic

#304185 #4056B2 #677AC8 #94A1D8 #C1C9E9

Accessibility & contrast

On white

4.04

#677AC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#677AC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677AC8

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677AC8	#FFFFFF	#000000	##000000
##677AC8	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C83CB

Deuteranopia (green-blind)

#537AC6

Tritanopia (blue-blind)

#418A97

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #677ac8;
/* rgb */ color: rgb(103, 122, 200);
/* oklch */ color: oklch(59.9% 0.121 272.0);

Tailwind

colors: {
  custom: {
    50: '#98a0d9',
    500: '#677ac8',
    950: '#000000',
  },
}

SCSS

$custom: #677ac8;
$custom-light: #98a0d9;
$custom-dark: #000000;

JSON

{
  "hex": "#677ac8",
  "rgb": {
    "r": 103,
    "g": 122,
    "b": 200
  },
  "hsl": {
    "h": 228.247,
    "s": 46.86,
    "l": 59.412
  },
  "oklch": {
    "l": 0.59935,
    "c": 0.12101,
    "h": 272
  },
  "luminance": 0.20973
}

Semantic roles & 50–950 ramp

primary

#677AC8

secondary

#D8D1B3

accent

#BC51D6

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #677AC8

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

Preview Lab → · Contrast checker → · Palette generator →