#677999#677999

#677999 is a mid, muted blue. Relative luminance 0.189; OKLCH L 57.4% C 0.054 H 261.8°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#677999
RGB	rgb(103, 121, 153)
HSL	hsl(218, 20%, 50%)
HSV	hsv(218, 33%, 60%)
CMYK	cmyk(32.7%, 20.9%, 0%, 40%)
CIE-LAB	lab(50.52, 1.36, -19.40)
CIE-LCH	lch(50.52, 19.45, 274.00°)
OKLab	oklab(57.38% -0.0077 -0.0535)
OKLCH	oklch(57.38% 0.054 261.8)
XYZ	xyz(18.1790, 18.8575, 32.8128)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677999 #998767

analogous

#679299 #677999 #6E6799

triadic

#677999 #996779 #799967

tetradic

#677999 #996792 #998767 #67996E

square

#677999 #996792 #998767 #67996E

split-complementary

#677999 #996E67 #929967

monochromatic

#363F50 #4E5C75 #677999 #8C99B2 #B0BACA

Accessibility & contrast

On white

4.40

#677999 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#677999 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677999

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677999	#FFFFFF	#000000	##000000
##677999	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7B9A

Deuteranopia (green-blind)

#697698

Tritanopia (blue-blind)

#588084

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #677999;
/* rgb */ color: rgb(103, 121, 153);
/* oklch */ color: oklch(57.4% 0.054 261.8);

Tailwind

colors: {
  custom: {
    50: '#939fb7',
    500: '#677999',
    950: '#000000',
  },
}

SCSS

$custom: #677999;
$custom-light: #939fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#677999",
  "rgb": {
    "r": 103,
    "g": 121,
    "b": 153
  },
  "hsl": {
    "h": 218.4,
    "s": 19.685,
    "l": 50.196
  },
  "oklch": {
    "l": 0.57377,
    "c": 0.05404,
    "h": 261.8
  },
  "luminance": 0.18858
}

Semantic roles & 50–950 ramp

primary

#677999

secondary

#B9B1A3

accent

#9F6CBC

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0E11

muted

#7E7E80

Preview Lab

Preview with #677999

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

Preview Lab → · Contrast checker → · Palette generator →