#677BCC#677BCC

#677BCC is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.4% C 0.125 H 271.7°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#677BCC
RGB	rgb(103, 123, 204)
HSL	hsl(228, 50%, 60%)
HSV	hsv(228, 50%, 80%)
CMYK	cmyk(49.5%, 39.7%, 0%, 20%)
CIE-LAB	lab(53.39, 15.03, -44.33)
CIE-LCH	lch(53.39, 46.81, 288.73°)
OKLab	oklab(60.37% 0.0038 -0.1254)
OKLCH	oklch(60.37% 0.125 271.7)
XYZ	xyz(23.5721, 21.4076, 60.0050)
Luminance	0.2141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BCC #CCB867

analogous

#67ADCC #677BCC #8567CC

triadic

#677BCC #CC677B #7BCC67

tetradic

#677BCC #CC67AD #CCB867 #67CC85

square

#677BCC #CC67AD #CCB867 #67CC85

split-complementary

#677BCC #CC8567 #ADCC67

monochromatic

#2E418A #3E56B8 #677BCC #95A3DB #C3CBEB

Accessibility & contrast

On white

3.98

#677BCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#677BCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BCC

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BCC	#FFFFFF	#000000	##000000
##677BCC	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B84CF

Deuteranopia (green-blind)

#517CCA

Tritanopia (blue-blind)

#3D8C9A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #677bcc;
/* rgb */ color: rgb(103, 123, 204);
/* oklch */ color: oklch(60.4% 0.125 271.7);

Tailwind

colors: {
  custom: {
    50: '#98a0dc',
    500: '#677bcc',
    950: '#000000',
  },
}

SCSS

$custom: #677bcc;
$custom-light: #98a0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#677bcc",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 204
  },
  "hsl": {
    "h": 228.119,
    "s": 49.754,
    "l": 60.196
  },
  "oklch": {
    "l": 0.60367,
    "c": 0.12545,
    "h": 271.7
  },
  "luminance": 0.21409
}

Semantic roles & 50–950 ramp

primary

#677BCC

secondary

#DBD3B4

accent

#A028BD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #677BCC

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

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