#5377BB#5377BB

#5377BB is a mid, moderate blue. Relative luminance 0.186; OKLCH L 57.3% C 0.113 H 262.2°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#5377BB
RGB	rgb(83, 119, 187)
HSL	hsl(219, 43%, 53%)
HSV	hsv(219, 56%, 73%)
CMYK	cmyk(55.6%, 36.4%, 0%, 26.7%)
CIE-LAB	lab(50.24, 7.51, -39.67)
CIE-LCH	lch(50.24, 40.38, 280.72°)
OKLab	oklab(57.34% -0.0153 -0.1122)
OKLCH	oklch(57.34% 0.113 262.2)
XYZ	xyz(19.1307, 18.6190, 49.5898)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5377BB #BB9753

analogous

#53ABBB #5377BB #6353BB

triadic

#5377BB #BB5377 #77BB53

tetradic

#5377BB #BB53AB #BB9753 #53BB63

square

#5377BB #BB53AB #BB9753 #53BB63

split-complementary

#5377BB #BB6353 #ABBB53

monochromatic

#2A406A #3B5A96 #5377BB #7F9ACC #ABBCDE

Accessibility & contrast

On white

4.45

#5377BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#5377BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5377BB

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5377BB	#FFFFFF	#000000	##000000
##5377BB	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7DBE

Deuteranopia (green-blind)

#4F73BA

Tritanopia (blue-blind)

#118690

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5377bb;
/* rgb */ color: rgb(83, 119, 187);
/* oklch */ color: oklch(57.3% 0.113 262.2);

Tailwind

colors: {
  custom: {
    50: '#8b9dd0',
    500: '#5377bb',
    950: '#000000',
  },
}

SCSS

$custom: #5377bb;
$custom-light: #8b9dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5377bb",
  "rgb": {
    "r": 83,
    "g": 119,
    "b": 187
  },
  "hsl": {
    "h": 219.231,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57335,
    "c": 0.11324,
    "h": 262.2
  },
  "luminance": 0.18621
}

Semantic roles & 50–950 ramp

primary

#5377BB

secondary

#CBBC9E

accent

#A755D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #5377BB

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

Preview Lab → · Contrast checker → · Palette generator →