#537AAF#537AAF

#537AAF is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.4% C 0.093 H 256.3°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#537AAF
RGB	rgb(83, 122, 175)
HSL	hsl(215, 37%, 51%)
HSV	hsv(215, 53%, 69%)
CMYK	cmyk(52.6%, 30.3%, 0%, 31.4%)
CIE-LAB	lab(50.51, 1.82, -32.31)
CIE-LCH	lch(50.51, 32.36, 273.23°)
OKLab	oklab(57.36% -0.0221 -0.0908)
OKLCH	oklch(57.36% 0.093 256.3)
XYZ	xyz(18.2620, 18.8518, 43.2256)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537AAF #AF8853

analogous

#53A8AF #537AAF #5A53AF

triadic

#537AAF #AF537A #7AAF53

tetradic

#537AAF #AF53A8 #AF8853 #53AF5A

square

#537AAF #AF53A8 #AF8853 #53AF5A

split-complementary

#537AAF #AF5A53 #A8AF53

monochromatic

#2B405D #3E5D86 #537AAF #7D9AC2 #A7BBD6

Accessibility & contrast

On white

4.40

#537AAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#537AAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537AAF

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537AAF	#FFFFFF	#000000	##000000
##537AAF	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657DB1

Deuteranopia (green-blind)

#5A74AE

Tritanopia (blue-blind)

#23868D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #537aaf;
/* rgb */ color: rgb(83, 122, 175);
/* oklch */ color: oklch(57.4% 0.093 256.3);

Tailwind

colors: {
  custom: {
    50: '#89a0c7',
    500: '#537aaf',
    950: '#000000',
  },
}

SCSS

$custom: #537aaf;
$custom-light: #89a0c7;
$custom-dark: #000000;

JSON

{
  "hex": "#537aaf",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 175
  },
  "hsl": {
    "h": 214.565,
    "s": 36.508,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57358,
    "c": 0.09343,
    "h": 256.3
  },
  "luminance": 0.18853
}

Semantic roles & 50–950 ramp

primary

#537AAF

secondary

#C3B29A

accent

#9D5BCD

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #537AAF

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

Preview Lab → · Contrast checker → · Palette generator →