#677BDE#677BDE

#677BDE is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.4% C 0.151 H 272.6°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#677BDE
RGB	rgb(103, 123, 222)
HSL	hsl(230, 64%, 64%)
HSV	hsv(230, 54%, 87%)
CMYK	cmyk(53.6%, 44.6%, 0%, 12.9%)
CIE-LAB	lab(54.37, 20.67, -52.95)
CIE-LCH	lch(54.37, 56.85, 291.33°)
OKLab	oklab(61.43% 0.0069 -0.1506)
OKLCH	oklch(61.43% 0.151 272.6)
XYZ	xyz(25.8570, 22.3216, 72.0390)
Luminance	0.2232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BDE #DECA67

analogous

#67B6DE #677BDE #8E67DE

triadic

#677BDE #DE677B #7BDE67

tetradic

#677BDE #DE67B6 #DECA67 #67DE8E

square

#677BDE #DE67B6 #DECA67 #67DE8E

split-complementary

#677BDE #DE8E67 #B6DE67

monochromatic

#243AA6 #354FD3 #677BDE #99A7E9 #CCD2F4

Accessibility & contrast

On white

3.84

#677BDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#677BDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BDE

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BDE	#FFFFFF	#000000	##000000
##677BDE	1.00	3.84	5.46	5.46
#FFFFFF	3.84	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)

#5087E2

Deuteranopia (green-blind)

#427DDC

Tritanopia (blue-blind)

#2B91A2

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #677bde;
/* rgb */ color: rgb(103, 123, 222);
/* oklch */ color: oklch(61.4% 0.151 272.6);

Tailwind

colors: {
  custom: {
    50: '#9aa0e9',
    500: '#677bde',
    950: '#000000',
  },
}

SCSS

$custom: #677bde;
$custom-light: #9aa0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#677bde",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 222
  },
  "hsl": {
    "h": 229.916,
    "s": 64.324,
    "l": 63.725
  },
  "oklch": {
    "l": 0.61429,
    "c": 0.1508,
    "h": 272.6
  },
  "luminance": 0.22323
}

Semantic roles & 50–950 ramp

primary

#677BDE

secondary

#E5DEBB

accent

#AE19CC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #677BDE

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

Preview Lab → · Contrast checker → · Palette generator →