#537AC5#537AC5

#537AC5 is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.6% C 0.124 H 262.4°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#537AC5
RGB	rgb(83, 122, 197)
HSL	hsl(219, 50%, 55%)
HSV	hsv(219, 58%, 77%)
CMYK	cmyk(57.9%, 38.1%, 0%, 22.7%)
CIE-LAB	lab(51.60, 8.98, -43.26)
CIE-LCH	lch(51.60, 44.18, 281.73°)
OKLab	oklab(58.56% -0.0163 -0.1226)
OKLCH	oklch(58.56% 0.124 262.4)
XYZ	xyz(20.6014, 19.7876, 55.5462)
Luminance	0.1979 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537AC5 #C59E53

analogous

#53B3C5 #537AC5 #6553C5

triadic

#537AC5 #C5537A #7AC553

tetradic

#537AC5 #C553B3 #C59E53 #53C565

square

#537AC5 #C553B3 #C59E53 #53C565

split-complementary

#537AC5 #C56553 #B3C553

monochromatic

#284276 #375CA4 #537AC5 #819DD4 #AFC1E4

Accessibility & contrast

On white

4.24

#537AC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#537AC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537AC5

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537AC5	#FFFFFF	#000000	##000000
##537AC5	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B81C8

Deuteranopia (green-blind)

#4C76C3

Tritanopia (blue-blind)

#008B96

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #537ac5;
/* rgb */ color: rgb(83, 122, 197);
/* oklch */ color: oklch(58.6% 0.124 262.4);

Tailwind

colors: {
  custom: {
    50: '#8ca0d7',
    500: '#537ac5',
    950: '#000000',
  },
}

SCSS

$custom: #537ac5;
$custom-light: #8ca0d7;
$custom-dark: #000000;

JSON

{
  "hex": "#537ac5",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 197
  },
  "hsl": {
    "h": 219.474,
    "s": 49.565,
    "l": 54.902
  },
  "oklch": {
    "l": 0.58556,
    "c": 0.12373,
    "h": 262.4
  },
  "luminance": 0.19789
}

Semantic roles & 50–950 ramp

primary

#537AC5

secondary

#D2C1A2

accent

#AA4FD9

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #537AC5

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

Preview Lab → · Contrast checker → · Palette generator →