#677CA9#677CA9

#677CA9 is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.8% C 0.074 H 264.9°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#677CA9
RGB	rgb(103, 124, 169)
HSL	hsl(221, 28%, 53%)
HSV	hsv(221, 39%, 66%)
CMYK	cmyk(39.1%, 26.6%, 0%, 33.7%)
CIE-LAB	lab(52.02, 4.01, -26.40)
CIE-LCH	lch(52.02, 26.70, 278.63°)
OKLab	oklab(58.76% -0.0065 -0.0734)
OKLCH	oklch(58.76% 0.074 264.9)
XYZ	xyz(19.9604, 20.1625, 40.3684)
Luminance	0.2016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CA9 #A99467

analogous

#679DA9 #677CA9 #7367A9

triadic

#677CA9 #A9677C #7CA967

tetradic

#677CA9 #A9679D #A99467 #67A973

square

#677CA9 #A9679D #A99467 #67A973

split-complementary

#677CA9 #A97367 #9DA967

monochromatic

#364360 #4C5F87 #677CA9 #8E9EBF #B5BFD5

Accessibility & contrast

On white

4.17

#677CA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#677CA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CA9

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CA9	#FFFFFF	#000000	##000000
##677CA9	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7FAB

Deuteranopia (green-blind)

#6679A8

Tritanopia (blue-blind)

#52858C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #677ca9;
/* rgb */ color: rgb(103, 124, 169);
/* oklch */ color: oklch(58.8% 0.074 264.9);

Tailwind

colors: {
  custom: {
    50: '#95a1c2',
    500: '#677ca9',
    950: '#000000',
  },
}

SCSS

$custom: #677ca9;
$custom-light: #95a1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#677ca9",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 169
  },
  "hsl": {
    "h": 220.909,
    "s": 27.731,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58764,
    "c": 0.07372,
    "h": 264.9
  },
  "luminance": 0.20163
}

Semantic roles & 50–950 ramp

primary

#677CA9

secondary

#C4BBA8

accent

#A564C4

background

#F9F9FB

surface

#F2F2F7

border

#CCCCD0

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #677CA9

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

Preview Lab → · Contrast checker → · Palette generator →