#677CD8#677CD8

#677CD8 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.3% C 0.141 H 272.0°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#677CD8
RGB	rgb(103, 124, 216)
HSL	hsl(229, 59%, 63%)
HSV	hsv(229, 52%, 85%)
CMYK	cmyk(52.3%, 42.6%, 0%, 15.3%)
CIE-LAB	lab(54.30, 18.17, -49.69)
CIE-LCH	lch(54.30, 52.91, 290.09°)
OKLab	oklab(61.27% 0.0048 -0.141)
OKLCH	oklch(61.27% 0.141 272)
XYZ	xyz(25.1918, 22.2550, 67.9206)
Luminance	0.2226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CD8 #D8C367

analogous

#67B4D8 #677CD8 #8B67D8

triadic

#677CD8 #D8677C #7CD867

tetradic

#677CD8 #D867B4 #D8C367 #67D88B

square

#677CD8 #D867B4 #D8C367 #67D88B

split-complementary

#677CD8 #D88B67 #B4D867

monochromatic

#283E9C #3652CC #677CD8 #98A6E4 #C8D0F1

Accessibility & contrast

On white

3.85

#677CD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#677CD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CD8

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CD8	#FFFFFF	#000000	##000000
##677CD8	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5687DC

Deuteranopia (green-blind)

#497DD6

Tritanopia (blue-blind)

#32909F

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #677cd8;
/* rgb */ color: rgb(103, 124, 216);
/* oklch */ color: oklch(61.3% 0.141 272.0);

Tailwind

colors: {
  custom: {
    50: '#99a1e4',
    500: '#677cd8',
    950: '#000000',
  },
}

SCSS

$custom: #677cd8;
$custom-light: #99a1e4;
$custom-dark: #000000;

JSON

{
  "hex": "#677cd8",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 216
  },
  "hsl": {
    "h": 228.85,
    "s": 59.162,
    "l": 62.549
  },
  "oklch": {
    "l": 0.61268,
    "c": 0.14113,
    "h": 272
  },
  "luminance": 0.22257
}

Semantic roles & 50–950 ramp

primary

#677CD8

secondary

#E2DAB9

accent

#A81FC7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #677CD8

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

Preview Lab → · Contrast checker → · Palette generator →