#537EA6#537EA6

#537EA6 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.8% C 0.078 H 247.6°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#537EA6
RGB	rgb(83, 126, 166)
HSL	hsl(209, 33%, 49%)
HSV	hsv(209, 50%, 65%)
CMYK	cmyk(50%, 24.1%, 0%, 34.9%)
CIE-LAB	lab(51.28, -3.36, -25.90)
CIE-LCH	lch(51.28, 26.12, 262.61°)
OKLab	oklab(57.83% -0.0298 -0.0723)
OKLCH	oklch(57.83% 0.078 247.6)
XYZ	xyz(17.9087, 19.5126, 38.8916)
Luminance	0.1951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EA6 #A67B53

analogous

#53A6A5 #537EA6 #5355A6

triadic

#537EA6 #A6537E #7EA653

tetradic

#537EA6 #A553A6 #A67B53 #55A653

square

#537EA6 #A553A6 #A67B53 #55A653

split-complementary

#537EA6 #A65355 #A6A553

monochromatic

#2A4054 #3F5F7D #537EA6 #7A9CBC #A3BBD1

Accessibility & contrast

On white

4.28

#537EA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#537EA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EA6

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EA6	#FFFFFF	#000000	##000000
##537EA6	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7FA8

Deuteranopia (green-blind)

#6376A5

Tritanopia (blue-blind)

#2B878C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #537ea6;
/* rgb */ color: rgb(83, 126, 166);
/* oklch */ color: oklch(57.8% 0.078 247.6);

Tailwind

colors: {
  custom: {
    50: '#88a3c0',
    500: '#537ea6',
    950: '#000000',
  },
}

SCSS

$custom: #537ea6;
$custom-light: #88a3c0;
$custom-dark: #000000;

JSON

{
  "hex": "#537ea6",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 166
  },
  "hsl": {
    "h": 208.916,
    "s": 33.333,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5783,
    "c": 0.0782,
    "h": 247.6
  },
  "luminance": 0.19514
}

Semantic roles & 50–950 ramp

primary

#537EA6

secondary

#BEAA97

accent

#925EC9

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #537EA6

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

Preview Lab → · Contrast checker → · Palette generator →