#5372B3#5372B3

#5372B3 is a mid, moderate blue. Relative luminance 0.171; OKLCH L 55.8% C 0.108 H 263.9°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5372B3
RGB	rgb(83, 114, 179)
HSL	hsl(221, 39%, 51%)
HSV	hsv(221, 54%, 70%)
CMYK	cmyk(53.6%, 36.3%, 0%, 29.8%)
CIE-LAB	lab(48.42, 7.96, -37.92)
CIE-LCH	lch(48.42, 38.74, 281.85°)
OKLab	oklab(55.79% -0.0114 -0.1071)
OKLCH	oklch(55.79% 0.108 263.9)
XYZ	xyz(17.7185, 17.1270, 45.0112)
Luminance	0.1713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5372B3 #B39453

analogous

#53A2B3 #5372B3 #6453B3

triadic

#5372B3 #B35372 #72B353

tetradic

#5372B3 #B353A2 #B39453 #53B364

square

#5372B3 #B353A2 #B39453 #53B364

split-complementary

#5372B3 #B36453 #A2B353

monochromatic

#2B3C61 #3E578B #5372B3 #7D95C6 #A8B8D9

Accessibility & contrast

On white

4.75

#5372B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#5372B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5372B3

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5372B3	#FFFFFF	#000000	##FFFFFF
##5372B3	1.00	4.75	4.43	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5878B6

Deuteranopia (green-blind)

#4D6FB2

Tritanopia (blue-blind)

#21808A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5372b3;
/* rgb */ color: rgb(83, 114, 179);
/* oklch */ color: oklch(55.8% 0.108 263.9);

Tailwind

colors: {
  custom: {
    50: '#8a9aca',
    500: '#5372b3',
    950: '#000000',
  },
}

SCSS

$custom: #5372b3;
$custom-light: #8a9aca;
$custom-dark: #000000;

JSON

{
  "hex": "#5372b3",
  "rgb": {
    "r": 83,
    "g": 114,
    "b": 179
  },
  "hsl": {
    "h": 220.625,
    "s": 38.71,
    "l": 51.373
  },
  "oklch": {
    "l": 0.55791,
    "c": 0.10774,
    "h": 263.9
  },
  "luminance": 0.17128
}

Semantic roles & 50–950 ramp

primary

#5372B3

secondary

#C6B89C

accent

#A959CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #5372B3

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

Preview Lab → · Contrast checker → · Palette generator →