#677DC9#677DC9

#677DC9 is a mid, moderate blue. Relative luminance 0.218; OKLCH L 60.6% C 0.119 H 270.3°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#677DC9
RGB	rgb(103, 125, 201)
HSL	hsl(227, 48%, 60%)
HSV	hsv(227, 49%, 79%)
CMYK	cmyk(48.8%, 37.8%, 0%, 21.2%)
CIE-LAB	lab(53.78, 12.90, -42.02)
CIE-LCH	lch(53.78, 43.95, 287.07°)
OKLab	oklab(60.61% 0.0007 -0.1186)
OKLCH	oklch(60.61% 0.119 270.3)
XYZ	xyz(23.4664, 21.7664, 58.2118)
Luminance	0.2177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677DC9 #C9B367

analogous

#67AEC9 #677DC9 #8267C9

triadic

#677DC9 #C9677D #7DC967

tetradic

#677DC9 #C967AE #C9B367 #67C982

square

#677DC9 #C967AE #C9B367 #67C982

split-complementary

#677DC9 #C98267 #AEC967

monochromatic

#304386 #405AB3 #677DC9 #94A4D9 #C1CAE9

Accessibility & contrast

On white

3.92

#677DC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#677DC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DC9

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677DC9	#FFFFFF	#000000	##000000
##677DC9	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6085CC

Deuteranopia (green-blind)

#567DC7

Tritanopia (blue-blind)

#3F8D99

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #677dc9;
/* rgb */ color: rgb(103, 125, 201);
/* oklch */ color: oklch(60.6% 0.119 270.3);

Tailwind

colors: {
  custom: {
    50: '#98a2da',
    500: '#677dc9',
    950: '#000000',
  },
}

SCSS

$custom: #677dc9;
$custom-light: #98a2da;
$custom-dark: #000000;

JSON

{
  "hex": "#677dc9",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 201
  },
  "hsl": {
    "h": 226.531,
    "s": 47.573,
    "l": 59.608
  },
  "oklch": {
    "l": 0.60614,
    "c": 0.11862,
    "h": 270.3
  },
  "luminance": 0.21768
}

Semantic roles & 50–950 ramp

primary

#677DC9

secondary

#D9D0B3

accent

#B951D7

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #677DC9

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

Preview Lab → · Contrast checker → · Palette generator →