#677CAB#677CAB

#677CAB is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.9% C 0.077 H 265.6°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#677CAB
RGB	rgb(103, 124, 171)
HSL	hsl(221, 29%, 54%)
HSV	hsv(221, 40%, 67%)
CMYK	cmyk(39.8%, 27.5%, 0%, 32.9%)
CIE-LAB	lab(52.11, 4.58, -27.43)
CIE-LCH	lch(52.11, 27.81, 279.47°)
OKLab	oklab(58.86% -0.0059 -0.0764)
OKLCH	oklch(58.86% 0.077 265.6)
XYZ	xyz(20.1496, 20.2381, 41.3648)
Luminance	0.2024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CAB #AB9667

analogous

#679EAB #677CAB #7467AB

triadic

#677CAB #AB677C #7CAB67

tetradic

#677CAB #AB679E #AB9667 #67AB74

square

#677CAB #AB679E #AB9667 #67AB74

split-complementary

#677CAB #AB7467 #9EAB67

monochromatic

#364362 #4C5F89 #677CAB #8E9EC1 #B6C0D7

Accessibility & contrast

On white

4.16

#677CAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#677CAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CAB

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CAB	#FFFFFF	#000000	##000000
##677CAB	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C80AD

Deuteranopia (green-blind)

#6579AA

Tritanopia (blue-blind)

#51868C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #677cab;
/* rgb */ color: rgb(103, 124, 171);
/* oklch */ color: oklch(58.9% 0.077 265.6);

Tailwind

colors: {
  custom: {
    50: '#95a1c4',
    500: '#677cab',
    950: '#000000',
  },
}

SCSS

$custom: #677cab;
$custom-light: #95a1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#677cab",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 171
  },
  "hsl": {
    "h": 221.471,
    "s": 28.814,
    "l": 53.725
  },
  "oklch": {
    "l": 0.58859,
    "c": 0.07661,
    "h": 265.6
  },
  "luminance": 0.20239
}

Semantic roles & 50–950 ramp

primary

#677CAB

secondary

#C5BCA8

accent

#A763C5

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #677CAB

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

Preview Lab → · Contrast checker → · Palette generator →