#5B77ED#5B77ED

#5B77ED is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.9% C 0.180 H 270.3°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#5B77ED
RGB	rgb(91, 119, 237)
HSL	hsl(228, 80%, 64%)
HSV	hsv(228, 62%, 93%)
CMYK	cmyk(61.6%, 49.8%, 0%, 7.1%)
CIE-LAB	lab(53.52, 25.70, -62.74)
CIE-LCH	lch(53.52, 67.80, 292.27°)
OKLab	oklab(60.89% 0.0008 -0.1797)
OKLCH	oklch(60.89% 0.18 270.3)
XYZ	xyz(26.1921, 21.5300, 82.8798)
Luminance	0.2153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B77ED #EDD15B

analogous

#5BC0ED #5B77ED #885BED

triadic

#5B77ED #ED5B77 #77ED5B

tetradic

#5B77ED #ED5BC0 #EDD15B #5BED88

square

#5B77ED #ED5BC0 #EDD15B #5BED88

split-complementary

#5B77ED #ED885B #C0ED5B

monochromatic

#1434B9 #2449E7 #5B77ED #92A5F3 #C9D2F9

Accessibility & contrast

On white

3.96

#5B77ED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#5B77ED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B77ED

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B77ED	#FFFFFF	#000000	##000000
##5B77ED	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3687F1

Deuteranopia (green-blind)

#0D7AEB

Tritanopia (blue-blind)

#0092A7

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5b77ed;
/* rgb */ color: rgb(91, 119, 237);
/* oklch */ color: oklch(60.9% 0.180 270.3);

Tailwind

colors: {
  custom: {
    50: '#969df3',
    500: '#5b77ed',
    950: '#000000',
  },
}

SCSS

$custom: #5b77ed;
$custom-light: #969df3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b77ed",
  "rgb": {
    "r": 91,
    "g": 119,
    "b": 237
  },
  "hsl": {
    "h": 228.493,
    "s": 80.22,
    "l": 64.314
  },
  "oklch": {
    "l": 0.60892,
    "c": 0.17971,
    "h": 270.3
  },
  "luminance": 0.21532
}

Semantic roles & 50–950 ramp

primary

#5B77ED

secondary

#EBE2B9

accent

#B409DD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E17

muted

#7E7E85

Preview Lab

Preview with #5B77ED

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

Preview Lab → · Contrast checker → · Palette generator →