#677BC0#677BC0

#677BC0 is a mid, moderate blue. Relative luminance 0.209; OKLCH L 59.7% C 0.108 H 270.6°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#677BC0
RGB	rgb(103, 123, 192)
HSL	hsl(227, 41%, 58%)
HSV	hsv(227, 46%, 75%)
CMYK	cmyk(46.4%, 35.9%, 0%, 24.7%)
CIE-LAB	lab(52.79, 11.36, -38.44)
CIE-LCH	lch(52.79, 40.09, 286.46°)
OKLab	oklab(59.71% 0.0011 -0.1082)
OKLCH	oklch(59.71% 0.108 270.6)
XYZ	xyz(22.1879, 20.8540, 52.7150)
Luminance	0.2086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BC0 #C0AC67

analogous

#67A7C0 #677BC0 #7F67C0

triadic

#677BC0 #C0677B #7BC067

tetradic

#677BC0 #C067A7 #C0AC67 #67C07F

square

#677BC0 #C067A7 #C0AC67 #67C07F

split-complementary

#677BC0 #C07F67 #A7C067

monochromatic

#33437A #455AA5 #677BC0 #92A1D2 #BEC6E4

Accessibility & contrast

On white

4.06

#677BC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#677BC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BC0

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BC0	#FFFFFF	#000000	##000000
##677BC0	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6282C3

Deuteranopia (green-blind)

#597ABE

Tritanopia (blue-blind)

#468994

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #677bc0;
/* rgb */ color: rgb(103, 123, 192);
/* oklch */ color: oklch(59.7% 0.108 270.6);

Tailwind

colors: {
  custom: {
    50: '#97a0d3',
    500: '#677bc0',
    950: '#000000',
  },
}

SCSS

$custom: #677bc0;
$custom-light: #97a0d3;
$custom-dark: #000000;

JSON

{
  "hex": "#677bc0",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 192
  },
  "hsl": {
    "h": 226.517,
    "s": 41.395,
    "l": 57.843
  },
  "oklch": {
    "l": 0.59705,
    "c": 0.10823,
    "h": 270.6
  },
  "luminance": 0.20855
}

Semantic roles & 50–950 ramp

primary

#677BC0

secondary

#D3CBB0

accent

#B657D1

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #677BC0

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

Preview Lab → · Contrast checker → · Palette generator →