#5B77E7#5B77E7

#5B77E7 is a mid, vivid blue. Relative luminance 0.212; OKLCH L 60.5% C 0.172 H 270.1°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#5B77E7
RGB	rgb(91, 119, 231)
HSL	hsl(228, 74%, 63%)
HSV	hsv(228, 61%, 91%)
CMYK	cmyk(60.6%, 48.5%, 0%, 9.4%)
CIE-LAB	lab(53.15, 23.70, -59.99)
CIE-LCH	lch(53.15, 64.50, 291.56°)
OKLab	oklab(60.49% 0.0001 -0.1716)
OKLCH	oklch(60.49% 0.172 270.1)
XYZ	xyz(25.3302, 21.1852, 78.3401)
Luminance	0.2119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B77E7 #E7CB5B

analogous

#5BBDE7 #5B77E7 #855BE7

triadic

#5B77E7 #E75B77 #77E75B

tetradic

#5B77E7 #E75BBD #E7CB5B #5BE785

square

#5B77E7 #E75BBD #E7CB5B #5BE785

split-complementary

#5B77E7 #E7855B #BDE75B

monochromatic

#1937AE #264BDF #5B77E7 #90A3EF #C6D0F7

Accessibility & contrast

On white

4.01

#5B77E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#5B77E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B77E7

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B77E7	#FFFFFF	#000000	##000000
##5B77E7	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D85EB

Deuteranopia (green-blind)

#2179E5

Tritanopia (blue-blind)

#0091A4

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #5b77e7;
/* rgb */ color: rgb(91, 119, 231);
/* oklch */ color: oklch(60.5% 0.172 270.1);

Tailwind

colors: {
  custom: {
    50: '#959def',
    500: '#5b77e7',
    950: '#000000',
  },
}

SCSS

$custom: #5b77e7;
$custom-light: #959def;
$custom-dark: #000000;

JSON

{
  "hex": "#5b77e7",
  "rgb": {
    "r": 91,
    "g": 119,
    "b": 231
  },
  "hsl": {
    "h": 228,
    "s": 74.468,
    "l": 63.137
  },
  "oklch": {
    "l": 0.6049,
    "c": 0.17161,
    "h": 270.1
  },
  "luminance": 0.21187
}

Semantic roles & 50–950 ramp

primary

#5B77E7

secondary

#E8DEB6

accent

#AF0FD7

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5B77E7

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

Preview Lab → · Contrast checker → · Palette generator →