#677CD4#677CD4

#677CD4 is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.0% C 0.136 H 271.7°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#677CD4
RGB	rgb(103, 124, 212)
HSL	hsl(228, 56%, 62%)
HSV	hsv(228, 51%, 83%)
CMYK	cmyk(51.4%, 41.5%, 0%, 16.9%)
CIE-LAB	lab(54.08, 16.92, -47.77)
CIE-LCH	lch(54.08, 50.68, 289.50°)
OKLab	oklab(61.03% 0.0041 -0.1354)
OKLCH	oklch(61.03% 0.136 271.7)
XYZ	xyz(24.6810, 22.0507, 65.2303)
Luminance	0.2205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CD4 #D4BF67

analogous

#67B3D4 #677CD4 #8967D4

triadic

#677CD4 #D4677C #7CD467

tetradic

#677CD4 #D467B3 #D4BF67 #67D489

square

#677CD4 #D467B3 #D4BF67 #67D489

split-complementary

#677CD4 #D48967 #B3D467

monochromatic

#2A3F96 #3853C6 #677CD4 #97A5E1 #C6CEEF

Accessibility & contrast

On white

3.88

#677CD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#677CD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CD4

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CD4	#FFFFFF	#000000	##000000
##677CD4	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)

#5886D7

Deuteranopia (green-blind)

#4C7DD2

Tritanopia (blue-blind)

#368F9E

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677cd4;
/* rgb */ color: rgb(103, 124, 212);
/* oklch */ color: oklch(61.0% 0.136 271.7);

Tailwind

colors: {
  custom: {
    50: '#99a1e2',
    500: '#677cd4',
    950: '#000000',
  },
}

SCSS

$custom: #677cd4;
$custom-light: #99a1e2;
$custom-dark: #000000;

JSON

{
  "hex": "#677cd4",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 212
  },
  "hsl": {
    "h": 228.44,
    "s": 55.897,
    "l": 61.765
  },
  "oklch": {
    "l": 0.61033,
    "c": 0.13551,
    "h": 271.7
  },
  "luminance": 0.22052
}

Semantic roles & 50–950 ramp

primary

#677CD4

secondary

#E0D8B7

accent

#A422C3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #677CD4

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

Preview Lab → · Contrast checker → · Palette generator →