#537CA9#537CA9

#537CA9 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.5% C 0.084 H 251.6°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#537CA9
RGB	rgb(83, 124, 169)
HSL	hsl(211, 34%, 49%)
HSV	hsv(211, 51%, 66%)
CMYK	cmyk(50.9%, 26.6%, 0%, 33.7%)
CIE-LAB	lab(50.82, -1.26, -28.35)
CIE-LCH	lch(50.82, 28.38, 267.46°)
OKLab	oklab(57.51% -0.0264 -0.0793)
OKLCH	oklch(57.51% 0.084 251.6)
XYZ	xyz(17.9339, 19.1176, 40.2734)
Luminance	0.1912 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CA9 #A98053

analogous

#53A7A9 #537CA9 #5553A9

triadic

#537CA9 #A9537C #7CA953

tetradic

#537CA9 #A953A7 #A98053 #53A955

square

#537CA9 #A953A7 #A98053 #53A955

split-complementary

#537CA9 #A95553 #A7A953

monochromatic

#2B4057 #3F5E80 #537CA9 #7B9BBE #A4BAD2

Accessibility & contrast

On white

4.35

#537CA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#537CA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CA9

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CA9	#FFFFFF	#000000	##000000
##537CA9	1.00	4.35	4.82	4.82
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7EAB

Deuteranopia (green-blind)

#5F75A8

Tritanopia (blue-blind)

#29868C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #537ca9;
/* rgb */ color: rgb(83, 124, 169);
/* oklch */ color: oklch(57.5% 0.084 251.6);

Tailwind

colors: {
  custom: {
    50: '#88a1c2',
    500: '#537ca9',
    950: '#000000',
  },
}

SCSS

$custom: #537ca9;
$custom-light: #88a1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#537ca9",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 169
  },
  "hsl": {
    "h": 211.395,
    "s": 34.127,
    "l": 49.412
  },
  "oklch": {
    "l": 0.57513,
    "c": 0.0836,
    "h": 251.6
  },
  "luminance": 0.19119
}

Semantic roles & 50–950 ramp

primary

#537CA9

secondary

#C0AD98

accent

#965ECA

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #537CA9

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

Preview Lab → · Contrast checker → · Palette generator →