#677DCF#677DCF

#677DCF is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.0% C 0.127 H 270.9°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#677DCF
RGB	rgb(103, 125, 207)
HSL	hsl(227, 52%, 61%)
HSV	hsv(227, 50%, 81%)
CMYK	cmyk(50.2%, 39.6%, 0%, 18.8%)
CIE-LAB	lab(54.08, 14.76, -44.94)
CIE-LCH	lch(54.08, 47.30, 288.18°)
OKLab	oklab(60.95% 0.002 -0.1272)
OKLCH	oklch(60.95% 0.127 270.9)
XYZ	xyz(24.1860, 22.0542, 62.0018)
Luminance	0.2206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677DCF #CFB967

analogous

#67B1CF #677DCF #8567CF

triadic

#677DCF #CF677D #7DCF67

tetradic

#677DCF #CF67B1 #CFB967 #67CF85

square

#677DCF #CF67B1 #CFB967 #67CF85

split-complementary

#677DCF #CF8567 #B1CF67

monochromatic

#2D428F #3C57BD #677DCF #96A5DE #C4CDEC

Accessibility & contrast

On white

3.88

#677DCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#677DCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DCF

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677DCF	#FFFFFF	#000000	##000000
##677DCF	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D86D2

Deuteranopia (green-blind)

#527DCD

Tritanopia (blue-blind)

#3A8E9C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677dcf;
/* rgb */ color: rgb(103, 125, 207);
/* oklch */ color: oklch(61.0% 0.127 270.9);

Tailwind

colors: {
  custom: {
    50: '#98a2de',
    500: '#677dcf',
    950: '#000000',
  },
}

SCSS

$custom: #677dcf;
$custom-light: #98a2de;
$custom-dark: #000000;

JSON

{
  "hex": "#677dcf",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 207
  },
  "hsl": {
    "h": 227.308,
    "s": 52,
    "l": 60.784
  },
  "oklch": {
    "l": 0.6095,
    "c": 0.12717,
    "h": 270.9
  },
  "luminance": 0.22056
}

Semantic roles & 50–950 ramp

primary

#677DCF

secondary

#DDD4B5

accent

#9F26BF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #677DCF

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

Preview Lab → · Contrast checker → · Palette generator →