#537EB2#537EB2

#537EB2 is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.4% C 0.094 H 253.9°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#537EB2
RGB	rgb(83, 126, 178)
HSL	hsl(213, 38%, 51%)
HSV	hsv(213, 53%, 70%)
CMYK	cmyk(53.4%, 29.2%, 0%, 30.2%)
CIE-LAB	lab(51.81, 0.39, -32.02)
CIE-LCH	lch(51.81, 32.03, 270.71°)
OKLab	oklab(58.42% -0.026 -0.0899)
OKLCH	oklch(58.42% 0.094 253.9)
XYZ	xyz(19.0612, 19.9736, 44.9617)
Luminance	0.1998 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EB2 #B28753

analogous

#53ADB2 #537EB2 #5753B2

triadic

#537EB2 #B2537E #7EB253

tetradic

#537EB2 #B253AD #B28753 #53B257

square

#537EB2 #B253AD #B28753 #53B257

split-complementary

#537EB2 #B25753 #ADB253

monochromatic

#2B4360 #3E608A #537EB2 #7D9EC5 #A8BDD8

Accessibility & contrast

On white

4.20

#537EB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#537EB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EB2

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EB2	#FFFFFF	#000000	##000000
##537EB2	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6981B4

Deuteranopia (green-blind)

#5D77B1

Tritanopia (blue-blind)

#1E8A90

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #537eb2;
/* rgb */ color: rgb(83, 126, 178);
/* oklch */ color: oklch(58.4% 0.094 253.9);

Tailwind

colors: {
  custom: {
    50: '#8aa3c9',
    500: '#537eb2',
    950: '#000000',
  },
}

SCSS

$custom: #537eb2;
$custom-light: #8aa3c9;
$custom-dark: #000000;

JSON

{
  "hex": "#537eb2",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 178
  },
  "hsl": {
    "h": 212.842,
    "s": 38.153,
    "l": 51.176
  },
  "oklch": {
    "l": 0.58417,
    "c": 0.09361,
    "h": 253.9
  },
  "luminance": 0.19975
}

Semantic roles & 50–950 ramp

primary

#537EB2

secondary

#C5B29B

accent

#995ACE

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #537EB2

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

Preview Lab → · Contrast checker → · Palette generator →