#5B78DF#5B78DF

#5B78DF is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.2% C 0.159 H 269.3°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#5B78DF
RGB	rgb(91, 120, 223)
HSL	hsl(227, 67%, 62%)
HSV	hsv(227, 59%, 87%)
CMYK	cmyk(59.2%, 46.2%, 0%, 12.5%)
CIE-LAB	lab(52.93, 20.42, -55.85)
CIE-LCH	lch(52.93, 59.47, 290.09°)
OKLab	oklab(60.17% -0.0019 -0.1594)
OKLCH	oklch(60.17% 0.159 269.3)
XYZ	xyz(24.3457, 20.9828, 72.5649)
Luminance	0.2099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B78DF #DFC25B

analogous

#5BBADF #5B78DF #805BDF

triadic

#5B78DF #DF5B78 #78DF5B

tetradic

#5B78DF #DF5BBA #DFC25B #5BDF80

square

#5B78DF #DF5BBA #DFC25B #5BDF80

split-complementary

#5B78DF #DF805B #BADF5B

monochromatic

#1F3CA0 #294FD4 #5B78DF #8EA2E9 #C1CCF3

Accessibility & contrast

On white

4.04

#5B78DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#5B78DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B78DF

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B78DF	#FFFFFF	#000000	##000000
##5B78DF	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4785E3

Deuteranopia (green-blind)

#3279DD

Tritanopia (blue-blind)

#008FA1

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5b78df;
/* rgb */ color: rgb(91, 120, 223);
/* oklch */ color: oklch(60.2% 0.159 269.3);

Tailwind

colors: {
  custom: {
    50: '#949ee9',
    500: '#5b78df',
    950: '#000000',
  },
}

SCSS

$custom: #5b78df;
$custom-light: #949ee9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b78df",
  "rgb": {
    "r": 91,
    "g": 120,
    "b": 223
  },
  "hsl": {
    "h": 226.818,
    "s": 67.347,
    "l": 61.569
  },
  "oklch": {
    "l": 0.60166,
    "c": 0.15945,
    "h": 269.3
  },
  "luminance": 0.20985
}

Semantic roles & 50–950 ramp

primary

#5B78DF

secondary

#E3D9B2

accent

#A716CF

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5B78DF

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

Preview Lab → · Contrast checker → · Palette generator →