#677CD0#677CD0

#677CD0 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.8% C 0.130 H 271.5°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#677CD0
RGB	rgb(103, 124, 208)
HSL	hsl(228, 53%, 61%)
HSV	hsv(228, 50%, 82%)
CMYK	cmyk(50.5%, 40.4%, 0%, 18.4%)
CIE-LAB	lab(53.87, 15.67, -45.84)
CIE-LCH	lch(53.87, 48.45, 288.87°)
OKLab	oklab(60.8% 0.0034 -0.1298)
OKLCH	oklch(60.8% 0.13 271.5)
XYZ	xyz(24.1827, 21.8514, 62.6057)
Luminance	0.2185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CD0 #D0BB67

analogous

#67B0D0 #677CD0 #8667D0

triadic

#677CD0 #D0677C #7CD067

tetradic

#677CD0 #D067B0 #D0BB67 #67D086

square

#677CD0 #D067B0 #D0BB67 #67D086

split-complementary

#677CD0 #D08667 #B0D067

monochromatic

#2D4090 #3B55BF #677CD0 #96A4DE #C4CDED

Accessibility & contrast

On white

3.91

#677CD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#677CD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CD0

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CD0	#FFFFFF	#000000	##000000
##677CD0	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)

#5B86D3

Deuteranopia (green-blind)

#507DCE

Tritanopia (blue-blind)

#3A8E9C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677cd0;
/* rgb */ color: rgb(103, 124, 208);
/* oklch */ color: oklch(60.8% 0.130 271.5);

Tailwind

colors: {
  custom: {
    50: '#98a1df',
    500: '#677cd0',
    950: '#000000',
  },
}

SCSS

$custom: #677cd0;
$custom-light: #98a1df;
$custom-dark: #000000;

JSON

{
  "hex": "#677cd0",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 208
  },
  "hsl": {
    "h": 228,
    "s": 52.764,
    "l": 60.98
  },
  "oklch": {
    "l": 0.60801,
    "c": 0.12985,
    "h": 271.5
  },
  "luminance": 0.21853
}

Semantic roles & 50–950 ramp

primary

#677CD0

secondary

#DDD5B6

accent

#A125C0

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #677CD0

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

Preview Lab → · Contrast checker → · Palette generator →