#5B78EA#5B78EA

#5B78EA is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.9% C 0.174 H 269.8°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#5B78EA
RGB	rgb(91, 120, 234)
HSL	hsl(228, 77%, 64%)
HSV	hsv(228, 61%, 92%)
CMYK	cmyk(61.1%, 48.7%, 0%, 8.2%)
CIE-LAB	lab(53.60, 24.08, -60.95)
CIE-LCH	lch(53.60, 65.54, 291.56°)
OKLab	oklab(60.89% -0.0005 -0.1744)
OKLCH	oklch(60.89% 0.174 269.8)
XYZ	xyz(25.8771, 21.5954, 80.6306)
Luminance	0.2160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B78EA #EACD5B

analogous

#5BBFEA #5B78EA #855BEA

triadic

#5B78EA #EA5B78 #78EA5B

tetradic

#5B78EA #EA5BBF #EACD5B #5BEA85

square

#5B78EA #EA5BBF #EACD5B #5BEA85

split-complementary

#5B78EA #EA855B #BFEA5B

monochromatic

#1737B4 #254BE3 #5B78EA #91A5F1 #C8D1F8

Accessibility & contrast

On white

3.95

#5B78EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#5B78EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B78EA

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B78EA	#FFFFFF	#000000	##000000
##5B78EA	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C87EE

Deuteranopia (green-blind)

#1D7AE8

Tritanopia (blue-blind)

#0092A6

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5b78ea;
/* rgb */ color: rgb(91, 120, 234);
/* oklch */ color: oklch(60.9% 0.174 269.8);

Tailwind

colors: {
  custom: {
    50: '#969ef1',
    500: '#5b78ea',
    950: '#000000',
  },
}

SCSS

$custom: #5b78ea;
$custom-light: #969ef1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b78ea",
  "rgb": {
    "r": 91,
    "g": 120,
    "b": 234
  },
  "hsl": {
    "h": 227.832,
    "s": 77.297,
    "l": 63.725
  },
  "oklch": {
    "l": 0.60886,
    "c": 0.17444,
    "h": 269.8
  },
  "luminance": 0.21598
}

Semantic roles & 50–950 ramp

primary

#5B78EA

secondary

#EADFB7

accent

#B00CDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5B78EA

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

Preview Lab → · Contrast checker → · Palette generator →