#677CDF#677CDF

#677CDF is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.7% C 0.151 H 272.3°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#677CDF
RGB	rgb(103, 124, 223)
HSL	hsl(230, 65%, 64%)
HSV	hsv(230, 54%, 87%)
CMYK	cmyk(53.8%, 44.4%, 0%, 12.5%)
CIE-LAB	lab(54.68, 20.39, -53.01)
CIE-LCH	lch(54.68, 56.79, 291.04°)
OKLab	oklab(61.69% 0.006 -0.1508)
OKLCH	oklch(61.69% 0.151 272.3)
XYZ	xyz(26.1161, 22.6248, 72.7886)
Luminance	0.2263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CDF #DFCA67

analogous

#67B8DF #677CDF #8E67DF

triadic

#677CDF #DF677C #7CDF67

tetradic

#677CDF #DF67B8 #DFCA67 #67DF8E

square

#677CDF #DF67B8 #DFCA67 #67DF8E

split-complementary

#677CDF #DF8E67 #B8DF67

monochromatic

#233BA8 #3450D4 #677CDF #9AA8EA #CCD3F4

Accessibility & contrast

On white

3.80

#677CDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#677CDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CDF

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CDF	#FFFFFF	#000000	##000000
##677CDF	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5188E3

Deuteranopia (green-blind)

#427EDD

Tritanopia (blue-blind)

#2A92A3

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #677cdf;
/* rgb */ color: rgb(103, 124, 223);
/* oklch */ color: oklch(61.7% 0.151 272.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#677cdf",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 223
  },
  "hsl": {
    "h": 229.5,
    "s": 65.217,
    "l": 63.922
  },
  "oklch": {
    "l": 0.6169,
    "c": 0.15091,
    "h": 272.3
  },
  "luminance": 0.22627
}

Semantic roles & 50–950 ramp

primary

#677CDF

secondary

#E6DFBC

accent

#AD18CD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #677CDF

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

Preview Lab → · Contrast checker → · Palette generator →