#6D78CC#6D78CC

#6D78CC is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.2% C 0.128 H 276.2°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#6D78CC
RGB	rgb(109, 120, 204)
HSL	hsl(233, 48%, 61%)
HSV	hsv(233, 47%, 80%)
CMYK	cmyk(46.6%, 41.2%, 0%, 20%)
CIE-LAB	lab(53.00, 18.28, -44.93)
CIE-LCH	lch(53.00, 48.51, 292.13°)
OKLab	oklab(60.17% 0.0138 -0.127)
OKLCH	oklch(60.17% 0.128 276.2)
XYZ	xyz(23.9189, 21.0425, 59.9163)
Luminance	0.2104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6D78CC #CCC16D

analogous

#6DA8CC #6D78CC #926DCC

triadic

#6D78CC #CC6D78 #78CC6D

tetradic

#6D78CC #CC6DA8 #CCC16D #6DCC92

square

#6D78CC #CC6DA8 #CCC16D #6DCC92

split-complementary

#6D78CC #CC926D #A8CC6D

monochromatic

#313C8D #414FBB #6D78CC #9AA2DC #C8CCEC

Accessibility & contrast

On white

4.03

#6D78CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#6D78CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6D78CC

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6D78CC	#FFFFFF	#000000	##000000
##6D78CC	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5883CF

Deuteranopia (green-blind)

#507BCA

Tritanopia (blue-blind)

#4B8998

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #6d78cc;
/* rgb */ color: rgb(109, 120, 204);
/* oklch */ color: oklch(60.2% 0.128 276.2);

Tailwind

colors: {
  custom: {
    50: '#9c9edc',
    500: '#6d78cc',
    950: '#000000',
  },
}

SCSS

$custom: #6d78cc;
$custom-light: #9c9edc;
$custom-dark: #000000;

JSON

{
  "hex": "#6d78cc",
  "rgb": {
    "r": 109,
    "g": 120,
    "b": 204
  },
  "hsl": {
    "h": 233.053,
    "s": 48.223,
    "l": 61.373
  },
  "oklch": {
    "l": 0.60166,
    "c": 0.12779,
    "h": 276.2
  },
  "luminance": 0.21044
}

Semantic roles & 50–950 ramp

primary

#6D78CC

secondary

#DCD8B9

accent

#AB2ABC

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0F0E15

muted

#7E7E83

Preview Lab

Preview with #6D78CC

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

Preview Lab → · Contrast checker → · Palette generator →