#677DCC#677DCC

#677DCC is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.8% C 0.123 H 270.6°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#677DCC
RGB	rgb(103, 125, 204)
HSL	hsl(227, 50%, 60%)
HSV	hsv(227, 50%, 80%)
CMYK	cmyk(49.5%, 38.7%, 0%, 20%)
CIE-LAB	lab(53.93, 13.83, -43.48)
CIE-LCH	lch(53.93, 45.63, 287.64°)
OKLab	oklab(60.78% 0.0014 -0.1229)
OKLCH	oklch(60.78% 0.123 270.6)
XYZ	xyz(23.8227, 21.9089, 60.0886)
Luminance	0.2191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677DCC #CCB667

analogous

#67AFCC #677DCC #8467CC

triadic

#677DCC #CC677D #7DCC67

tetradic

#677DCC #CC67AF #CCB667 #67CC84

square

#677DCC #CC67AF #CCB667 #67CC84

split-complementary

#677DCC #CC8467 #AFCC67

monochromatic

#2E428A #3E58B8 #677DCC #95A4DB #C3CBEB

Accessibility & contrast

On white

3.90

#677DCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#677DCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DCC

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677DCC	#FFFFFF	#000000	##000000
##677DCC	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E86CF

Deuteranopia (green-blind)

#547DCA

Tritanopia (blue-blind)

#3D8E9B

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677dcc;
/* rgb */ color: rgb(103, 125, 204);
/* oklch */ color: oklch(60.8% 0.123 270.6);

Tailwind

colors: {
  custom: {
    50: '#98a2dc',
    500: '#677dcc',
    950: '#000000',
  },
}

SCSS

$custom: #677dcc;
$custom-light: #98a2dc;
$custom-dark: #000000;

JSON

{
  "hex": "#677dcc",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 204
  },
  "hsl": {
    "h": 226.931,
    "s": 49.754,
    "l": 60.196
  },
  "oklch": {
    "l": 0.60781,
    "c": 0.1229,
    "h": 270.6
  },
  "luminance": 0.2191
}

Semantic roles & 50–950 ramp

primary

#677DCC

secondary

#DBD2B4

accent

#9D28BD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #677DCC

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

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