#5374BB#5374BB

#5374BB is a mid, moderate blue. Relative luminance 0.179; OKLCH L 56.7% C 0.117 H 264.2°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#5374BB
RGB	rgb(83, 116, 187)
HSL	hsl(221, 43%, 53%)
HSV	hsv(221, 56%, 73%)
CMYK	cmyk(55.6%, 38%, 0%, 26.7%)
CIE-LAB	lab(49.39, 9.35, -41.01)
CIE-LCH	lch(49.39, 42.06, 282.84°)
OKLab	oklab(56.68% -0.0119 -0.1161)
OKLCH	oklch(56.68% 0.117 264.2)
XYZ	xyz(18.7793, 17.9162, 49.4726)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5374BB #BB9A53

analogous

#53A8BB #5374BB #6653BB

triadic

#5374BB #BB5374 #74BB53

tetradic

#5374BB #BB53A8 #BB9A53 #53BB66

square

#5374BB #BB53A8 #BB9A53 #53BB66

split-complementary

#5374BB #BB6653 #A8BB53

monochromatic

#2A3E6A #3B5896 #5374BB #7F97CC #ABBBDE

Accessibility & contrast

On white

4.58

#5374BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#5374BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5374BB

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5374BB	#FFFFFF	#000000	##000000
##5374BB	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577BBE

Deuteranopia (green-blind)

#4A71B9

Tritanopia (blue-blind)

#13848E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5374bb;
/* rgb */ color: rgb(83, 116, 187);
/* oklch */ color: oklch(56.7% 0.117 264.2);

Tailwind

colors: {
  custom: {
    50: '#8b9bd0',
    500: '#5374bb',
    950: '#000000',
  },
}

SCSS

$custom: #5374bb;
$custom-light: #8b9bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5374bb",
  "rgb": {
    "r": 83,
    "g": 116,
    "b": 187
  },
  "hsl": {
    "h": 220.962,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56681,
    "c": 0.11673,
    "h": 264.2
  },
  "luminance": 0.17918
}

Semantic roles & 50–950 ramp

primary

#5374BB

secondary

#CBBD9E

accent

#AB55D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #5374BB

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

Preview Lab → · Contrast checker → · Palette generator →