#677BB8#677BB8

#677BB8 is a mid, moderate blue. Relative luminance 0.205; OKLCH L 59.3% C 0.097 H 269.5°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#677BB8
RGB	rgb(103, 123, 184)
HSL	hsl(225, 36%, 56%)
HSV	hsv(225, 44%, 72%)
CMYK	cmyk(44%, 33.2%, 0%, 27.8%)
CIE-LAB	lab(52.41, 8.96, -34.45)
CIE-LCH	lch(52.41, 35.60, 284.58°)
OKLab	oklab(59.29% -0.0009 -0.0966)
OKLCH	oklch(59.29% 0.097 269.5)
XYZ	xyz(21.3255, 20.5090, 48.1731)
Luminance	0.2051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BB8 #B8A467

analogous

#67A4B8 #677BB8 #7C67B8

triadic

#677BB8 #B8677B #7BB867

tetradic

#677BB8 #B867A4 #B8A467 #67B87C

square

#677BB8 #B867A4 #B8A467 #67B87C

split-complementary

#677BB8 #B87C67 #A4B867

monochromatic

#344370 #485C9A #677BB8 #919FCB #BAC3DF

Accessibility & contrast

On white

4.12

#677BB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#677BB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BB8

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BB8	#FFFFFF	#000000	##000000
##677BB8	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)

#6581BB

Deuteranopia (green-blind)

#5E7AB7

Tritanopia (blue-blind)

#4A8891

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #677bb8;
/* rgb */ color: rgb(103, 123, 184);
/* oklch */ color: oklch(59.3% 0.097 269.5);

Tailwind

colors: {
  custom: {
    50: '#96a1cd',
    500: '#677bb8',
    950: '#000000',
  },
}

SCSS

$custom: #677bb8;
$custom-light: #96a1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#677bb8",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 184
  },
  "hsl": {
    "h": 225.185,
    "s": 36.323,
    "l": 56.275
  },
  "oklch": {
    "l": 0.59285,
    "c": 0.09664,
    "h": 269.5
  },
  "luminance": 0.2051
}

Semantic roles & 50–950 ramp

primary

#677BB8

secondary

#CEC6AD

accent

#B05BCC

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E13

muted

#7E7E82

Preview Lab

Preview with #677BB8

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

Preview Lab → · Contrast checker → · Palette generator →