#5B77BF#5B77BF

#5B77BF is a mid, moderate blue. Relative luminance 0.192; OKLCH L 58.0% C 0.116 H 266.7°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#5B77BF
RGB	rgb(91, 119, 191)
HSL	hsl(223, 44%, 55%)
HSV	hsv(223, 52%, 75%)
CMYK	cmyk(52.4%, 37.7%, 0%, 25.1%)
CIE-LAB	lab(50.89, 10.59, -40.91)
CIE-LCH	lch(50.89, 42.26, 284.52°)
OKLab	oklab(58.03% -0.0066 -0.1156)
OKLCH	oklch(58.03% 0.116 266.7)
XYZ	xyz(20.3121, 19.1780, 51.9115)
Luminance	0.1918 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B77BF #BFA35B

analogous

#5BA9BF #5B77BF #715BBF

triadic

#5B77BF #BF5B77 #77BF5B

tetradic

#5B77BF #BF5BA9 #BFA35B #5BBF71

square

#5B77BF #BF5BA9 #BFA35B #5BBF71

split-complementary

#5B77BF #BF715B #A9BF5B

monochromatic

#2D4073 #3E599F #5B77BF #879CD0 #B3C0E1

Accessibility & contrast

On white

4.34

#5B77BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#5B77BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B77BF

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B77BF	#FFFFFF	#000000	##000000
##5B77BF	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7EC2

Deuteranopia (green-blind)

#4F75BD

Tritanopia (blue-blind)

#2B8792

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5b77bf;
/* rgb */ color: rgb(91, 119, 191);
/* oklch */ color: oklch(58.0% 0.116 266.7);

Tailwind

colors: {
  custom: {
    50: '#909dd2',
    500: '#5b77bf',
    950: '#000000',
  },
}

SCSS

$custom: #5b77bf;
$custom-light: #909dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b77bf",
  "rgb": {
    "r": 91,
    "g": 119,
    "b": 191
  },
  "hsl": {
    "h": 223.2,
    "s": 43.86,
    "l": 55.294
  },
  "oklch": {
    "l": 0.5803,
    "c": 0.11584,
    "h": 266.7
  },
  "luminance": 0.19179
}

Semantic roles & 50–950 ramp

primary

#5B77BF

secondary

#D0C4A6

accent

#B054D4

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5B77BF

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

Preview Lab → · Contrast checker → · Palette generator →