#5B77BE#5B77BE

#5B77BE is a mid, moderate blue. Relative luminance 0.191; OKLCH L 58.0% C 0.114 H 266.6°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#5B77BE
RGB	rgb(91, 119, 190)
HSL	hsl(223, 43%, 55%)
HSV	hsv(223, 52%, 75%)
CMYK	cmyk(52.1%, 37.4%, 0%, 25.5%)
CIE-LAB	lab(50.84, 10.28, -40.41)
CIE-LCH	lch(50.84, 41.70, 284.27°)
OKLab	oklab(57.97% -0.0068 -0.1142)
OKLCH	oklch(57.97% 0.114 266.6)
XYZ	xyz(20.2024, 19.1341, 51.3339)
Luminance	0.1914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B77BE #BEA25B

analogous

#5BA9BE #5B77BE #705BBE

triadic

#5B77BE #BE5B77 #77BE5B

tetradic

#5B77BE #BE5BA9 #BEA25B #5BBE70

square

#5B77BE #BE5BA9 #BEA25B #5BBE70

split-complementary

#5B77BE #BE705B #A9BE5B

monochromatic

#2D4072 #3E599D #5B77BE #879BCF #B3C0E1

Accessibility & contrast

On white

4.35

#5B77BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#5B77BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B77BE

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B77BE	#FFFFFF	#000000	##000000
##5B77BE	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7EC1

Deuteranopia (green-blind)

#5075BC

Tritanopia (blue-blind)

#2C8691

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5b77be;
/* rgb */ color: rgb(91, 119, 190);
/* oklch */ color: oklch(58.0% 0.114 266.6);

Tailwind

colors: {
  custom: {
    50: '#8f9dd2',
    500: '#5b77be',
    950: '#000000',
  },
}

SCSS

$custom: #5b77be;
$custom-light: #8f9dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b77be",
  "rgb": {
    "r": 91,
    "g": 119,
    "b": 190
  },
  "hsl": {
    "h": 223.03,
    "s": 43.231,
    "l": 55.098
  },
  "oklch": {
    "l": 0.57974,
    "c": 0.11441,
    "h": 266.6
  },
  "luminance": 0.19136
}

Semantic roles & 50–950 ramp

primary

#5B77BE

secondary

#CFC3A6

accent

#AF55D3

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5B77BE

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

Preview Lab → · Contrast checker → · Palette generator →