#677B9F#677B9F

#677B9F is a mid, moderate blue. Relative luminance 0.196; OKLCH L 58.1% C 0.060 H 262.0°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#677B9F
RGB	rgb(103, 123, 159)
HSL	hsl(219, 23%, 51%)
HSV	hsv(219, 35%, 62%)
CMYK	cmyk(35.2%, 22.6%, 0%, 37.6%)
CIE-LAB	lab(51.33, 1.81, -21.66)
CIE-LCH	lch(51.33, 21.74, 274.77°)
OKLab	oklab(58.09% -0.0084 -0.0599)
OKLCH	oklch(58.09% 0.061 262)
XYZ	xyz(18.9326, 19.5519, 35.5705)
Luminance	0.1955 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677B9F #9F8B67

analogous

#67979F #677B9F #6F679F

triadic

#677B9F #9F677B #7B9F67

tetradic

#677B9F #9F6797 #9F8B67 #679F6F

square

#677B9F #9F6797 #9F8B67 #679F6F

split-complementary

#677B9F #9F6F67 #979F67

monochromatic

#364156 #4E5E7B #677B9F #8D9CB7 #B2BCCE

Accessibility & contrast

On white

4.28

#677B9F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#677B9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677B9F

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677B9F	#FFFFFF	#000000	##000000
##677B9F	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7DA1

Deuteranopia (green-blind)

#69789E

Tritanopia (blue-blind)

#568287

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #677b9f;
/* rgb */ color: rgb(103, 123, 159);
/* oklch */ color: oklch(58.1% 0.060 262.0);

Tailwind

colors: {
  custom: {
    50: '#94a1bb',
    500: '#677b9f',
    950: '#000000',
  },
}

SCSS

$custom: #677b9f;
$custom-light: #94a1bb;
$custom-dark: #000000;

JSON

{
  "hex": "#677b9f",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 159
  },
  "hsl": {
    "h": 218.571,
    "s": 22.581,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58087,
    "c": 0.0605,
    "h": 262
  },
  "luminance": 0.19553
}

Semantic roles & 50–950 ramp

primary

#677B9F

secondary

#BDB4A5

accent

#A069BF

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #677B9F

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

Preview Lab → · Contrast checker → · Palette generator →