#677DAB#677DAB

#677DAB is a mid, moderate blue. Relative luminance 0.205; OKLCH L 59.1% C 0.075 H 264.5°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#677DAB
RGB	rgb(103, 125, 171)
HSL	hsl(221, 29%, 54%)
HSV	hsv(221, 40%, 67%)
CMYK	cmyk(39.8%, 26.9%, 0%, 32.9%)
CIE-LAB	lab(52.39, 3.98, -26.99)
CIE-LCH	lch(52.39, 27.28, 278.40°)
OKLab	oklab(59.08% -0.0072 -0.0751)
OKLCH	oklch(59.08% 0.075 264.5)
XYZ	xyz(20.2755, 20.4901, 41.4068)
Luminance	0.2049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677DAB #AB9567

analogous

#679FAB #677DAB #7367AB

triadic

#677DAB #AB677D #7DAB67

tetradic

#677DAB #AB679F #AB9567 #67AB73

square

#677DAB #AB679F #AB9567 #67AB73

split-complementary

#677DAB #AB7367 #9FAB67

monochromatic

#364462 #4C6089 #677DAB #8E9FC1 #B6C0D7

Accessibility & contrast

On white

4.12

#677DAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#677DAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DAB

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677DAB	#FFFFFF	#000000	##000000
##677DAB	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D80AD

Deuteranopia (green-blind)

#667AAA

Tritanopia (blue-blind)

#51878D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #677dab;
/* rgb */ color: rgb(103, 125, 171);
/* oklch */ color: oklch(59.1% 0.075 264.5);

Tailwind

colors: {
  custom: {
    50: '#95a2c4',
    500: '#677dab',
    950: '#000000',
  },
}

SCSS

$custom: #677dab;
$custom-light: #95a2c4;
$custom-dark: #000000;

JSON

{
  "hex": "#677dab",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 171
  },
  "hsl": {
    "h": 220.588,
    "s": 28.814,
    "l": 53.725
  },
  "oklch": {
    "l": 0.59078,
    "c": 0.07548,
    "h": 264.5
  },
  "luminance": 0.20491
}

Semantic roles & 50–950 ramp

primary

#677DAB

secondary

#C5BCA8

accent

#A563C5

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #677DAB

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

Preview Lab → · Contrast checker → · Palette generator →