#677CB7#677CB7

#677CB7 is a mid, moderate blue. Relative luminance 0.207; OKLCH L 59.4% C 0.094 H 268.5°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#677CB7
RGB	rgb(103, 124, 183)
HSL	hsl(224, 36%, 56%)
HSV	hsv(224, 44%, 72%)
CMYK	cmyk(43.7%, 32.2%, 0%, 28.2%)
CIE-LAB	lab(52.64, 8.07, -33.52)
CIE-LCH	lch(52.64, 34.48, 283.53°)
OKLab	oklab(59.45% -0.0024 -0.0939)
OKLCH	oklch(59.45% 0.094 268.5)
XYZ	xyz(21.3457, 20.7166, 47.6645)
Luminance	0.2072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CB7 #B7A267

analogous

#67A4B7 #677CB7 #7A67B7

triadic

#677CB7 #B7677C #7CB767

tetradic

#677CB7 #B767A4 #B7A267 #67B77A

square

#677CB7 #B767A4 #B7A267 #67B77A

split-complementary

#677CB7 #B77A67 #A4B767

monochromatic

#35446F #485D99 #677CB7 #91A0CB #BAC4DE

Accessibility & contrast

On white

4.08

#677CB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#677CB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CB7

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CB7	#FFFFFF	#000000	##000000
##677CB7	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6781B9

Deuteranopia (green-blind)

#5F7AB6

Tritanopia (blue-blind)

#4B8891

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #677cb7;
/* rgb */ color: rgb(103, 124, 183);
/* oklch */ color: oklch(59.4% 0.094 268.5);

Tailwind

colors: {
  custom: {
    50: '#96a1cd',
    500: '#677cb7',
    950: '#000000',
  },
}

SCSS

$custom: #677cb7;
$custom-light: #96a1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#677cb7",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 183
  },
  "hsl": {
    "h": 224.25,
    "s": 35.714,
    "l": 56.078
  },
  "oklch": {
    "l": 0.59448,
    "c": 0.09396,
    "h": 268.5
  },
  "luminance": 0.20718
}

Semantic roles & 50–950 ramp

primary

#677CB7

secondary

#CDC5AC

accent

#AE5CCC

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0F13

muted

#7E7E82

Preview Lab

Preview with #677CB7

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

Preview Lab → · Contrast checker → · Palette generator →