#677DD4#677DD4

#677DD4 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.2% C 0.134 H 271.3°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#677DD4
RGB	rgb(103, 125, 212)
HSL	hsl(228, 56%, 62%)
HSV	hsv(228, 51%, 83%)
CMYK	cmyk(51.4%, 41%, 0%, 16.9%)
CIE-LAB	lab(54.35, 16.31, -47.35)
CIE-LCH	lch(54.35, 50.08, 289.01°)
OKLab	oklab(61.24% 0.003 -0.1342)
OKLCH	oklch(61.24% 0.134 271.3)
XYZ	xyz(24.8070, 22.3026, 65.2722)
Luminance	0.2230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677DD4 #D4BE67

analogous

#67B4D4 #677DD4 #8867D4

triadic

#677DD4 #D4677D #7DD467

tetradic

#677DD4 #D467B4 #D4BE67 #67D488

square

#677DD4 #D467B4 #D4BE67 #67D488

split-complementary

#677DD4 #D48867 #B4D467

monochromatic

#2A4096 #3855C6 #677DD4 #97A6E1 #C6CFEF

Accessibility & contrast

On white

3.85

#677DD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#677DD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DD4

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677DD4	#FFFFFF	#000000	##000000
##677DD4	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A87D7

Deuteranopia (green-blind)

#4E7ED2

Tritanopia (blue-blind)

#36909E

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #677dd4;
/* rgb */ color: rgb(103, 125, 212);
/* oklch */ color: oklch(61.2% 0.134 271.3);

Tailwind

colors: {
  custom: {
    50: '#99a2e1',
    500: '#677dd4',
    950: '#000000',
  },
}

SCSS

$custom: #677dd4;
$custom-light: #99a2e1;
$custom-dark: #000000;

JSON

{
  "hex": "#677dd4",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 212
  },
  "hsl": {
    "h": 227.89,
    "s": 55.897,
    "l": 61.765
  },
  "oklch": {
    "l": 0.61237,
    "c": 0.13423,
    "h": 271.3
  },
  "luminance": 0.22304
}

Semantic roles & 50–950 ramp

primary

#677DD4

secondary

#E0D7B7

accent

#A322C3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #677DD4

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

Preview Lab → · Contrast checker → · Palette generator →