#5373BB#5373BB

#5373BB is a mid, moderate blue. Relative luminance 0.177; OKLCH L 56.5% C 0.118 H 264.8°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#5373BB
RGB	rgb(83, 115, 187)
HSL	hsl(222, 43%, 53%)
HSV	hsv(222, 56%, 73%)
CMYK	cmyk(55.6%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(49.11, 9.96, -41.45)
CIE-LCH	lch(49.11, 42.63, 283.51°)
OKLab	oklab(56.46% -0.0107 -0.1174)
OKLCH	oklch(56.46% 0.118 264.8)
XYZ	xyz(18.6646, 17.6869, 49.4344)
Luminance	0.1769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5373BB #BB9B53

analogous

#53A7BB #5373BB #6753BB

triadic

#5373BB #BB5373 #73BB53

tetradic

#5373BB #BB53A7 #BB9B53 #53BB67

square

#5373BB #BB53A7 #BB9B53 #53BB67

split-complementary

#5373BB #BB6753 #A7BB53

monochromatic

#2A3E6A #3B5796 #5373BB #7F97CC #ABBADE

Accessibility & contrast

On white

4.63

#5373BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#5373BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5373BB

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5373BB	#FFFFFF	#000000	##FFFFFF
##5373BB	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#557ABE

Deuteranopia (green-blind)

#4970B9

Tritanopia (blue-blind)

#13838E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5373bb;
/* rgb */ color: rgb(83, 115, 187);
/* oklch */ color: oklch(56.5% 0.118 264.8);

Tailwind

colors: {
  custom: {
    50: '#8b9ad0',
    500: '#5373bb',
    950: '#000000',
  },
}

SCSS

$custom: #5373bb;
$custom-light: #8b9ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#5373bb",
  "rgb": {
    "r": 83,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 221.538,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56464,
    "c": 0.11792,
    "h": 264.8
  },
  "luminance": 0.17688
}

Semantic roles & 50–950 ramp

primary

#5373BB

secondary

#CBBE9E

accent

#AC55D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #5373BB

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

Preview Lab → · Contrast checker → · Palette generator →