#677FC9#677FC9

#677FC9 is a mid, moderate blue. Relative luminance 0.223; OKLCH L 61.0% C 0.116 H 269.2°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#677FC9
RGB	rgb(103, 127, 201)
HSL	hsl(225, 48%, 60%)
HSV	hsv(225, 49%, 79%)
CMYK	cmyk(48.8%, 36.8%, 0%, 21.2%)
CIE-LAB	lab(54.32, 11.70, -41.16)
CIE-LCH	lch(54.32, 42.79, 285.87°)
OKLab	oklab(61.03% -0.0017 -0.1161)
OKLCH	oklch(61.03% 0.116 269.2)
XYZ	xyz(23.7221, 22.2779, 58.2971)
Luminance	0.2228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FC9 #C9B167

analogous

#67B0C9 #677FC9 #8067C9

triadic

#677FC9 #C9677F #7FC967

tetradic

#677FC9 #C967B0 #C9B167 #67C980

square

#677FC9 #C967B0 #C9B167 #67C980

split-complementary

#677FC9 #C98067 #B0C967

monochromatic

#304586 #405CB3 #677FC9 #94A5D9 #C1CBE9

Accessibility & contrast

On white

3.85

#677FC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#677FC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FC9

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FC9	#FFFFFF	#000000	##000000
##677FC9	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6387CC

Deuteranopia (green-blind)

#597EC7

Tritanopia (blue-blind)

#3F8F9A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #677fc9;
/* rgb */ color: rgb(103, 127, 201);
/* oklch */ color: oklch(61.0% 0.116 269.2);

Tailwind

colors: {
  custom: {
    50: '#98a3da',
    500: '#677fc9',
    950: '#000000',
  },
}

SCSS

$custom: #677fc9;
$custom-light: #98a3da;
$custom-dark: #000000;

JSON

{
  "hex": "#677fc9",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 201
  },
  "hsl": {
    "h": 225.306,
    "s": 47.573,
    "l": 59.608
  },
  "oklch": {
    "l": 0.61032,
    "c": 0.11612,
    "h": 269.2
  },
  "luminance": 0.22279
}

Semantic roles & 50–950 ramp

primary

#677FC9

secondary

#D9D0B3

accent

#B651D7

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #677FC9

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

Preview Lab → · Contrast checker → · Palette generator →