#6678DC#6678DC

#6678DC is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.6% C 0.152 H 273.4°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#6678DC
RGB	rgb(102, 120, 220)
HSL	hsl(231, 63%, 63%)
HSV	hsv(231, 54%, 86%)
CMYK	cmyk(53.6%, 45.5%, 0%, 13.7%)
CIE-LAB	lab(53.41, 21.65, -53.36)
CIE-LCH	lch(53.41, 57.58, 292.08°)
OKLab	oklab(60.65% 0.0089 -0.1519)
OKLCH	oklch(60.65% 0.152 273.4)
XYZ	xyz(25.1101, 21.4233, 70.5082)
Luminance	0.2142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6678DC #DCCA66

analogous

#66B3DC #6678DC #8F66DC

triadic

#6678DC #DC6678 #78DC66

tetradic

#6678DC #DC66B3 #DCCA66 #66DC8F

square

#6678DC #DC66B3 #DCCA66 #66DC8F

split-complementary

#6678DC #DC8F66 #B3DC66

monochromatic

#2538A2 #344CD1 #6678DC #98A4E7 #CAD0F3

Accessibility & contrast

On white

3.97

#6678DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#6678DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6678DC

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6678DC	#FFFFFF	#000000	##000000
##6678DC	1.00	3.97	5.28	5.28
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B85E0

Deuteranopia (green-blind)

#3D7BDA

Tritanopia (blue-blind)

#2B8E9F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #6678dc;
/* rgb */ color: rgb(102, 120, 220);
/* oklch */ color: oklch(60.6% 0.152 273.4);

Tailwind

colors: {
  custom: {
    50: '#9a9ee7',
    500: '#6678dc',
    950: '#000000',
  },
}

SCSS

$custom: #6678dc;
$custom-light: #9a9ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#6678dc",
  "rgb": {
    "r": 102,
    "g": 120,
    "b": 220
  },
  "hsl": {
    "h": 230.847,
    "s": 62.766,
    "l": 63.137
  },
  "oklch": {
    "l": 0.60647,
    "c": 0.15214,
    "h": 273.4
  },
  "luminance": 0.21425
}

Semantic roles & 50–950 ramp

primary

#6678DC

secondary

#E4DEBA

accent

#B01BCB

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #6678DC

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

Preview Lab → · Contrast checker → · Palette generator →