#677FDF#677FDF

#677FDF is a light, vivid blue. Relative luminance 0.234; OKLCH L 62.3% C 0.147 H 271.0°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#677FDF
RGB	rgb(103, 127, 223)
HSL	hsl(228, 65%, 64%)
HSV	hsv(228, 54%, 87%)
CMYK	cmyk(53.8%, 43%, 0%, 12.5%)
CIE-LAB	lab(55.47, 18.57, -51.75)
CIE-LCH	lch(55.47, 54.99, 289.74°)
OKLab	oklab(62.29% 0.0027 -0.1471)
OKLCH	oklch(62.29% 0.147 271)
XYZ	xyz(26.4978, 23.3882, 72.9158)
Luminance	0.2339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FDF #DFC767

analogous

#67BBDF #677FDF #8B67DF

triadic

#677FDF #DF677F #7FDF67

tetradic

#677FDF #DF67BB #DFC767 #67DF8B

square

#677FDF #DF67BB #DFC767 #67DF8B

split-complementary

#677FDF #DF8B67 #BBDF67

monochromatic

#233EA8 #3454D4 #677FDF #9AAAEA #CCD4F4

Accessibility & contrast

On white

3.70

#677FDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#677FDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FDF

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FDF	#FFFFFF	#000000	##000000
##677FDF	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#568AE3

Deuteranopia (green-blind)

#4880DD

Tritanopia (blue-blind)

#2994A4

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #677fdf;
/* rgb */ color: rgb(103, 127, 223);
/* oklch */ color: oklch(62.3% 0.147 271.0);

Tailwind

colors: {
  custom: {
    50: '#9aa3e9',
    500: '#677fdf',
    950: '#000000',
  },
}

SCSS

$custom: #677fdf;
$custom-light: #9aa3e9;
$custom-dark: #000000;

JSON

{
  "hex": "#677fdf",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 223
  },
  "hsl": {
    "h": 228,
    "s": 65.217,
    "l": 63.922
  },
  "oklch": {
    "l": 0.6229,
    "c": 0.14711,
    "h": 271
  },
  "luminance": 0.2339
}

Semantic roles & 50–950 ramp

primary

#677FDF

secondary

#E6DEBC

accent

#A918CD

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0F0F16

muted

#7E7F84

Preview Lab

Preview with #677FDF

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

Preview Lab → · Contrast checker → · Palette generator →