#677CAA#677CAA

#677CAA is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.8% C 0.075 H 265.3°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#677CAA
RGB	rgb(103, 124, 170)
HSL	hsl(221, 28%, 54%)
HSV	hsv(221, 39%, 67%)
CMYK	cmyk(39.4%, 27.1%, 0%, 33.3%)
CIE-LAB	lab(52.06, 4.29, -26.91)
CIE-LCH	lch(52.06, 27.25, 279.06°)
OKLab	oklab(58.81% -0.0062 -0.0749)
OKLCH	oklch(58.81% 0.075 265.3)
XYZ	xyz(20.0546, 20.2002, 40.8647)
Luminance	0.2020 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CAA #AA9567

analogous

#679DAA #677CAA #7367AA

triadic

#677CAA #AA677C #7CAA67

tetradic

#677CAA #AA679D #AA9567 #67AA73

square

#677CAA #AA679D #AA9567 #67AA73

split-complementary

#677CAA #AA7367 #9DAA67

monochromatic

#364361 #4C5F88 #677CAA #8E9EC0 #B5C0D6

Accessibility & contrast

On white

4.17

#677CAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#677CAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CAA

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CAA	#FFFFFF	#000000	##000000
##677CAA	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7FAC

Deuteranopia (green-blind)

#6679A9

Tritanopia (blue-blind)

#51858C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #677caa;
/* rgb */ color: rgb(103, 124, 170);
/* oklch */ color: oklch(58.8% 0.075 265.3);

Tailwind

colors: {
  custom: {
    50: '#95a1c3',
    500: '#677caa',
    950: '#000000',
  },
}

SCSS

$custom: #677caa;
$custom-light: #95a1c3;
$custom-dark: #000000;

JSON

{
  "hex": "#677caa",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 170
  },
  "hsl": {
    "h": 221.194,
    "s": 28.27,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58811,
    "c": 0.07517,
    "h": 265.3
  },
  "luminance": 0.20201
}

Semantic roles & 50–950 ramp

primary

#677CAA

secondary

#C5BCA8

accent

#A663C5

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #677CAA

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

Preview Lab → · Contrast checker → · Palette generator →