#537EA9#537EA9

#537EA9 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 58.0% C 0.082 H 249.4°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#537EA9
RGB	rgb(83, 126, 169)
HSL	hsl(210, 34%, 49%)
HSV	hsv(210, 51%, 66%)
CMYK	cmyk(50.9%, 25.4%, 0%, 33.7%)
CIE-LAB	lab(51.41, -2.43, -27.44)
CIE-LCH	lch(51.41, 27.55, 264.93°)
OKLab	oklab(57.97% -0.0288 -0.0767)
OKLCH	oklch(57.97% 0.082 249.4)
XYZ	xyz(18.1871, 19.6239, 40.3578)
Luminance	0.1963 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EA9 #A97E53

analogous

#53A9A9 #537EA9 #5353A9

triadic

#537EA9 #A9537E #7EA953

tetradic

#537EA9 #A953A9 #A97E53 #53A953

square

#537EA9 #A953A9 #A97E53 #53A953

split-complementary

#537EA9 #A95353 #A9A953

monochromatic

#2B4157 #3F5F80 #537EA9 #7B9DBE #A4BBD2

Accessibility & contrast

On white

4.26

#537EA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#537EA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EA9

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EA9	#FFFFFF	#000000	##000000
##537EA9	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7FAB

Deuteranopia (green-blind)

#6277A8

Tritanopia (blue-blind)

#28888D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #537ea9;
/* rgb */ color: rgb(83, 126, 169);
/* oklch */ color: oklch(58.0% 0.082 249.4);

Tailwind

colors: {
  custom: {
    50: '#89a3c2',
    500: '#537ea9',
    950: '#000000',
  },
}

SCSS

$custom: #537ea9;
$custom-light: #89a3c2;
$custom-dark: #000000;

JSON

{
  "hex": "#537ea9",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 169
  },
  "hsl": {
    "h": 210,
    "s": 34.127,
    "l": 49.412
  },
  "oklch": {
    "l": 0.57973,
    "c": 0.08196,
    "h": 249.4
  },
  "luminance": 0.19625
}

Semantic roles & 50–950 ramp

primary

#537EA9

secondary

#C0AC98

accent

#945ECA

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #537EA9

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

Preview Lab → · Contrast checker → · Palette generator →