#677EC4#677EC4

#677EC4 is a mid, moderate blue. Relative luminance 0.218; OKLCH L 60.6% C 0.110 H 269.1°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#677EC4
RGB	rgb(103, 126, 196)
HSL	hsl(225, 44%, 59%)
HSV	hsv(225, 47%, 77%)
CMYK	cmyk(47.4%, 35.7%, 0%, 23.1%)
CIE-LAB	lab(53.80, 10.77, -39.13)
CIE-LCH	lch(53.80, 40.59, 285.39°)
OKLab	oklab(60.55% -0.0016 -0.1102)
OKLCH	oklch(60.55% 0.11 269.1)
XYZ	xyz(23.0150, 21.7894, 55.2069)
Luminance	0.2179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677EC4 #C4AD67

analogous

#67ACC4 #677EC4 #7E67C4

triadic

#677EC4 #C4677E #7EC467

tetradic

#677EC4 #C467AC #C4AD67 #67C47E

square

#677EC4 #C467AC #C4AD67 #67C47E

split-complementary

#677EC4 #C47E67 #ACC467

monochromatic

#31457F #425CAB #677EC4 #93A3D5 #BFC9E6

Accessibility & contrast

On white

3.92

#677EC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#677EC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677EC4

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677EC4	#FFFFFF	#000000	##000000
##677EC4	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6485C7

Deuteranopia (green-blind)

#5B7DC2

Tritanopia (blue-blind)

#438D98

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677ec4;
/* rgb */ color: rgb(103, 126, 196);
/* oklch */ color: oklch(60.6% 0.110 269.1);

Tailwind

colors: {
  custom: {
    50: '#97a3d6',
    500: '#677ec4',
    950: '#000000',
  },
}

SCSS

$custom: #677ec4;
$custom-light: #97a3d6;
$custom-dark: #000000;

JSON

{
  "hex": "#677ec4",
  "rgb": {
    "r": 103,
    "g": 126,
    "b": 196
  },
  "hsl": {
    "h": 225.161,
    "s": 44.076,
    "l": 58.627
  },
  "oklch": {
    "l": 0.60552,
    "c": 0.11022,
    "h": 269.1
  },
  "luminance": 0.21791
}

Semantic roles & 50–950 ramp

primary

#677EC4

secondary

#D6CDB1

accent

#B454D4

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #677EC4

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

Preview Lab → · Contrast checker → · Palette generator →