#6678EB#6678EB

#6678EB is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.6% C 0.173 H 273.6°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#6678EB
RGB	rgb(102, 120, 235)
HSL	hsl(232, 77%, 66%)
HSV	hsv(232, 57%, 92%)
CMYK	cmyk(56.6%, 48.9%, 0%, 7.8%)
CIE-LAB	lab(54.30, 26.44, -60.35)
CIE-LCH	lch(54.30, 65.89, 293.66°)
OKLab	oklab(61.61% 0.0107 -0.1724)
OKLCH	oklch(61.61% 0.173 273.6)
XYZ	xyz(27.1865, 22.2539, 81.4440)
Luminance	0.2226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6678EB #EBD966

analogous

#66BAEB #6678EB #9666EB

triadic

#6678EB #EB6678 #78EB66

tetradic

#6678EB #EB66BA #EBD966 #66EB96

square

#6678EB #EB66BA #EBD966 #66EB96

split-complementary

#6678EB #EB9666 #BAEB66

monochromatic

#192FBE #3048E4 #6678EB #9CA8F2 #D2D8F9

Accessibility & contrast

On white

3.85

#6678EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#6678EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6678EB

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6678EB	#FFFFFF	#000000	##000000
##6678EB	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E88EF

Deuteranopia (green-blind)

#287CE9

Tritanopia (blue-blind)

#0D92A6

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #6678eb;
/* rgb */ color: rgb(102, 120, 235);
/* oklch */ color: oklch(61.6% 0.173 273.6);

Tailwind

colors: {
  custom: {
    50: '#9c9ef2',
    500: '#6678eb',
    950: '#000000',
  },
}

SCSS

$custom: #6678eb;
$custom-light: #9c9ef2;
$custom-dark: #000000;

JSON

{
  "hex": "#6678eb",
  "rgb": {
    "r": 102,
    "g": 120,
    "b": 235
  },
  "hsl": {
    "h": 231.88,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.61605,
    "c": 0.17276,
    "h": 273.6
  },
  "luminance": 0.22256
}

Semantic roles & 50–950 ramp

primary

#6678EB

secondary

#ECE6C1

accent

#BD0CD9

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6678EB

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

Preview Lab → · Contrast checker → · Palette generator →