#677CDE#677CDE

#677CDE is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.6% C 0.150 H 272.2°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#677CDE
RGB	rgb(103, 124, 222)
HSL	hsl(229, 64%, 64%)
HSV	hsv(229, 54%, 87%)
CMYK	cmyk(53.6%, 44.1%, 0%, 12.9%)
CIE-LAB	lab(54.63, 20.07, -52.54)
CIE-LCH	lch(54.63, 56.24, 290.91°)
OKLab	oklab(61.63% 0.0058 -0.1494)
OKLCH	oklch(61.63% 0.15 272.2)
XYZ	xyz(25.9817, 22.5710, 72.0806)
Luminance	0.2257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CDE #DEC967

analogous

#67B7DE #677CDE #8D67DE

triadic

#677CDE #DE677C #7CDE67

tetradic

#677CDE #DE67B7 #DEC967 #67DE8D

square

#677CDE #DE67B7 #DEC967 #67DE8D

split-complementary

#677CDE #DE8D67 #B7DE67

monochromatic

#243BA6 #3551D3 #677CDE #99A7E9 #CCD3F4

Accessibility & contrast

On white

3.81

#677CDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#677CDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CDE

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CDE	#FFFFFF	#000000	##000000
##677CDE	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5188E2

Deuteranopia (green-blind)

#437EDC

Tritanopia (blue-blind)

#2B91A2

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #677cde;
/* rgb */ color: rgb(103, 124, 222);
/* oklch */ color: oklch(61.6% 0.150 272.2);

Tailwind

colors: {
  custom: {
    50: '#9aa1e9',
    500: '#677cde',
    950: '#000000',
  },
}

SCSS

$custom: #677cde;
$custom-light: #9aa1e9;
$custom-dark: #000000;

JSON

{
  "hex": "#677cde",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 222
  },
  "hsl": {
    "h": 229.412,
    "s": 64.324,
    "l": 63.725
  },
  "oklch": {
    "l": 0.61629,
    "c": 0.14952,
    "h": 272.2
  },
  "luminance": 0.22573
}

Semantic roles & 50–950 ramp

primary

#677CDE

secondary

#E5DEBB

accent

#AD19CC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #677CDE

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

Preview Lab → · Contrast checker → · Palette generator →