#5B78F5#5B78F5

#5B78F5 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.6% C 0.189 H 270.2°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#5B78F5
RGB	rgb(91, 120, 245)
HSL	hsl(229, 89%, 66%)
HSV	hsv(229, 63%, 96%)
CMYK	cmyk(62.9%, 51%, 0%, 3.9%)
CIE-LAB	lab(54.29, 27.76, -65.96)
CIE-LCH	lch(54.29, 71.57, 292.82°)
OKLab	oklab(61.63% 0.0006 -0.1892)
OKLCH	oklch(61.63% 0.189 270.2)
XYZ	xyz(27.5067, 22.2472, 89.2131)
Luminance	0.2225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B78F5 #F5D85B

analogous

#5BC5F5 #5B78F5 #8B5BF5

triadic

#5B78F5 #F55B78 #78F55B

tetradic

#5B78F5 #F55BC5 #F5D85B #5BF58B

square

#5B78F5 #F55BC5 #F5D85B #5BF58B

split-complementary

#5B78F5 #F58B5B #C5F55B

monochromatic

#0C30C9 #2149F1 #5B78F5 #95A7F9 #CED7FC

Accessibility & contrast

On white

3.85

#5B78F5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#5B78F5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B78F5

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B78F5	#FFFFFF	#000000	##000000
##5B78F5	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)

#2D89F9

Deuteranopia (green-blind)

#007BF2

Tritanopia (blue-blind)

#0095AB

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5b78f5;
/* rgb */ color: rgb(91, 120, 245);
/* oklch */ color: oklch(61.6% 0.189 270.2);

Tailwind

colors: {
  custom: {
    50: '#979ef9',
    500: '#5b78f5',
    950: '#000000',
  },
}

SCSS

$custom: #5b78f5;
$custom-light: #979ef9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b78f5",
  "rgb": {
    "r": 91,
    "g": 120,
    "b": 245
  },
  "hsl": {
    "h": 228.701,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.61633,
    "c": 0.18918,
    "h": 270.2
  },
  "luminance": 0.2225
}

Semantic roles & 50–950 ramp

primary

#5B78F5

secondary

#EFE6BC

accent

#BA00E5

background

#FAF9FF

surface

#F3F2FF

border

#CDCCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #5B78F5

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

Preview Lab → · Contrast checker → · Palette generator →