#677AAA#677AAA

#677AAA is a mid, moderate blue. Relative luminance 0.197; OKLCH L 58.4% C 0.077 H 267.4°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#677AAA
RGB	rgb(103, 122, 170)
HSL	hsl(223, 28%, 54%)
HSV	hsv(223, 39%, 67%)
CMYK	cmyk(39.4%, 28.2%, 0%, 33.3%)
CIE-LAB	lab(51.50, 5.48, -27.79)
CIE-LCH	lch(51.50, 28.32, 281.16°)
OKLab	oklab(58.37% -0.0035 -0.0774)
OKLCH	oklch(58.37% 0.077 267.4)
XYZ	xyz(19.8065, 19.7040, 40.7820)
Luminance	0.1971 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677AAA #AA9767

analogous

#679BAA #677AAA #7567AA

triadic

#677AAA #AA677A #7AAA67

tetradic

#677AAA #AA679B #AA9767 #67AA75

square

#677AAA #AA679B #AA9767 #67AA75

split-complementary

#677AAA #AA7567 #9BAA67

monochromatic

#364261 #4C5D88 #677AAA #8E9CC0 #B5BFD6

Accessibility & contrast

On white

4.25

#677AAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#677AAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677AAA

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677AAA	#FFFFFF	#000000	##000000
##677AAA	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7EAC

Deuteranopia (green-blind)

#6378A9

Tritanopia (blue-blind)

#52848B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #677aaa;
/* rgb */ color: rgb(103, 122, 170);
/* oklch */ color: oklch(58.4% 0.077 267.4);

Tailwind

colors: {
  custom: {
    50: '#95a0c3',
    500: '#677aaa',
    950: '#000000',
  },
}

SCSS

$custom: #677aaa;
$custom-light: #95a0c3;
$custom-dark: #000000;

JSON

{
  "hex": "#677aaa",
  "rgb": {
    "r": 103,
    "g": 122,
    "b": 170
  },
  "hsl": {
    "h": 222.985,
    "s": 28.27,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58374,
    "c": 0.07749,
    "h": 267.4
  },
  "luminance": 0.19705
}

Semantic roles & 50–950 ramp

primary

#677AAA

secondary

#C5BDA8

accent

#A963C5

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #677AAA

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

Preview Lab → · Contrast checker → · Palette generator →