#537AC4#537AC4

#537AC4 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.5% C 0.122 H 262.2°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#537AC4
RGB	rgb(83, 122, 196)
HSL	hsl(219, 49%, 55%)
HSV	hsv(219, 58%, 77%)
CMYK	cmyk(57.7%, 37.8%, 0%, 23.1%)
CIE-LAB	lab(51.54, 8.65, -42.77)
CIE-LCH	lch(51.54, 43.64, 281.44°)
OKLab	oklab(58.5% -0.0166 -0.1212)
OKLCH	oklch(58.5% 0.122 262.2)
XYZ	xyz(20.4872, 19.7419, 54.9448)
Luminance	0.1974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537AC4 #C49D53

analogous

#53B3C4 #537AC4 #6553C4

triadic

#537AC4 #C4537A #7AC453

tetradic

#537AC4 #C453B3 #C49D53 #53C465

square

#537AC4 #C453B3 #C49D53 #53C465

split-complementary

#537AC4 #C46553 #B3C453

monochromatic

#284275 #385CA2 #537AC4 #819DD4 #AEC0E3

Accessibility & contrast

On white

4.24

#537AC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#537AC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537AC4

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537AC4	#FFFFFF	#000000	##000000
##537AC4	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B81C7

Deuteranopia (green-blind)

#4D76C2

Tritanopia (blue-blind)

#008A95

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #537ac4;
/* rgb */ color: rgb(83, 122, 196);
/* oklch */ color: oklch(58.5% 0.122 262.2);

Tailwind

colors: {
  custom: {
    50: '#8ca0d6',
    500: '#537ac4',
    950: '#000000',
  },
}

SCSS

$custom: #537ac4;
$custom-light: #8ca0d6;
$custom-dark: #000000;

JSON

{
  "hex": "#537ac4",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 196
  },
  "hsl": {
    "h": 219.292,
    "s": 48.918,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58499,
    "c": 0.12235,
    "h": 262.2
  },
  "luminance": 0.19744
}

Semantic roles & 50–950 ramp

primary

#537AC4

secondary

#D1C1A2

accent

#A94FD8

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #537AC4

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

Preview Lab → · Contrast checker → · Palette generator →