#5B77EE#5B77EE

#5B77EE is a mid, vivid blue. Relative luminance 0.216; OKLCH L 61.0% C 0.181 H 270.3°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#5B77EE
RGB	rgb(91, 119, 238)
HSL	hsl(229, 81%, 65%)
HSV	hsv(229, 62%, 93%)
CMYK	cmyk(61.8%, 50%, 0%, 6.7%)
CIE-LAB	lab(53.59, 26.03, -63.20)
CIE-LCH	lch(53.59, 68.35, 292.39°)
OKLab	oklab(60.96% 0.0009 -0.1811)
OKLCH	oklch(60.96% 0.181 270.3)
XYZ	xyz(26.3386, 21.5886, 83.6514)
Luminance	0.2159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B77EE #EED25B

analogous

#5BC1EE #5B77EE #885BEE

triadic

#5B77EE #EE5B77 #77EE5B

tetradic

#5B77EE #EE5BC1 #EED25B #5BEE88

square

#5B77EE #EE5BC1 #EED25B #5BEE88

split-complementary

#5B77EE #EE885B #C1EE5B

monochromatic

#1333BB #2449E8 #5B77EE #92A5F4 #CAD3F9

Accessibility & contrast

On white

3.95

#5B77EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#5B77EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B77EE

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B77EE	#FFFFFF	#000000	##000000
##5B77EE	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)

#3487F2

Deuteranopia (green-blind)

#087AEC

Tritanopia (blue-blind)

#0093A7

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5b77ee;
/* rgb */ color: rgb(91, 119, 238);
/* oklch */ color: oklch(61.0% 0.181 270.3);

Tailwind

colors: {
  custom: {
    50: '#969df4',
    500: '#5b77ee',
    950: '#000000',
  },
}

SCSS

$custom: #5b77ee;
$custom-light: #969df4;
$custom-dark: #000000;

JSON

{
  "hex": "#5b77ee",
  "rgb": {
    "r": 91,
    "g": 119,
    "b": 238
  },
  "hsl": {
    "h": 228.571,
    "s": 81.215,
    "l": 64.51
  },
  "oklch": {
    "l": 0.6096,
    "c": 0.18106,
    "h": 270.3
  },
  "luminance": 0.21591
}

Semantic roles & 50–950 ramp

primary

#5B77EE

secondary

#ECE2B9

accent

#B508DE

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0F0E17

muted

#7E7E85

Preview Lab

Preview with #5B77EE

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

Preview Lab → · Contrast checker → · Palette generator →