#6B78CB#6B78CB

#6B78CB is a mid, vivid blue. Relative luminance 0.209; OKLCH L 60.0% C 0.127 H 275.2°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#6B78CB
RGB	rgb(107, 120, 203)
HSL	hsl(232, 48%, 61%)
HSV	hsv(232, 47%, 80%)
CMYK	cmyk(47.3%, 40.9%, 0%, 20.4%)
CIE-LAB	lab(52.81, 17.49, -44.67)
CIE-LCH	lch(52.81, 47.98, 291.38°)
OKLab	oklab(59.97% 0.0115 -0.1263)
OKLCH	oklch(59.97% 0.127 275.2)
XYZ	xyz(23.5560, 20.8692, 59.2753)
Luminance	0.2087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B78CB #CBBE6B

analogous

#6BA8CB #6B78CB #8E6BCB

triadic

#6B78CB #CB6B78 #78CB6B

tetradic

#6B78CB #CB6BA8 #CBBE6B #6BCB8E

square

#6B78CB #CB6BA8 #CBBE6B #6BCB8E

split-complementary

#6B78CB #CB8E6B #A8CB6B

monochromatic

#313D8B #4151B8 #6B78CB #98A1DB #C6CBEB

Accessibility & contrast

On white

4.06

#6B78CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#6B78CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6B78CB

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B78CB	#FFFFFF	#000000	##000000
##6B78CB	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5882CE

Deuteranopia (green-blind)

#507AC9

Tritanopia (blue-blind)

#478998

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #6b78cb;
/* rgb */ color: rgb(107, 120, 203);
/* oklch */ color: oklch(60.0% 0.127 275.2);

Tailwind

colors: {
  custom: {
    50: '#9a9edb',
    500: '#6b78cb',
    950: '#000000',
  },
}

SCSS

$custom: #6b78cb;
$custom-light: #9a9edb;
$custom-dark: #000000;

JSON

{
  "hex": "#6b78cb",
  "rgb": {
    "r": 107,
    "g": 120,
    "b": 203
  },
  "hsl": {
    "h": 231.875,
    "s": 48,
    "l": 60.784
  },
  "oklch": {
    "l": 0.59969,
    "c": 0.12685,
    "h": 275.2
  },
  "luminance": 0.20871
}

Semantic roles & 50–950 ramp

primary

#6B78CB

secondary

#DBD6B7

accent

#A82ABB

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #6B78CB

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

Preview Lab → · Contrast checker → · Palette generator →