#677BCB#677BCB

#677BCB is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.3% C 0.124 H 271.6°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#677BCB
RGB	rgb(103, 123, 203)
HSL	hsl(228, 49%, 60%)
HSV	hsv(228, 49%, 80%)
CMYK	cmyk(49.3%, 39.4%, 0%, 20.4%)
CIE-LAB	lab(53.34, 14.72, -43.84)
CIE-LCH	lch(53.34, 46.25, 288.56°)
OKLab	oklab(60.31% 0.0036 -0.124)
OKLCH	oklch(60.31% 0.124 271.6)
XYZ	xyz(23.4525, 21.3598, 59.3754)
Luminance	0.2136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BCB #CBB767

analogous

#67ADCB #677BCB #8567CB

triadic

#677BCB #CB677B #7BCB67

tetradic

#677BCB #CB67AD #CBB767 #67CB85

square

#677BCB #CB67AD #CBB767 #67CB85

split-complementary

#677BCB #CB8567 #ADCB67

monochromatic

#2F4189 #3E56B6 #677BCB #95A3DB #C2CAEA

Accessibility & contrast

On white

3.98

#677BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#677BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BCB

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BCB	#FFFFFF	#000000	##000000
##677BCB	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C84CE

Deuteranopia (green-blind)

#527BC9

Tritanopia (blue-blind)

#3E8C99

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #677bcb;
/* rgb */ color: rgb(103, 123, 203);
/* oklch */ color: oklch(60.3% 0.124 271.6);

Tailwind

colors: {
  custom: {
    50: '#98a0db',
    500: '#677bcb',
    950: '#000000',
  },
}

SCSS

$custom: #677bcb;
$custom-light: #98a0db;
$custom-dark: #000000;

JSON

{
  "hex": "#677bcb",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 203
  },
  "hsl": {
    "h": 228,
    "s": 49.02,
    "l": 60
  },
  "oklch": {
    "l": 0.60311,
    "c": 0.12402,
    "h": 271.6
  },
  "luminance": 0.21361
}

Semantic roles & 50–950 ramp

primary

#677BCB

secondary

#DAD2B4

accent

#BD4FD9

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #677BCB

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

Preview Lab → · Contrast checker → · Palette generator →