#537DB1#537DB1

#537DB1 is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.1% C 0.093 H 254.4°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#537DB1
RGB	rgb(83, 125, 177)
HSL	hsl(213, 38%, 51%)
HSV	hsv(213, 53%, 69%)
CMYK	cmyk(53.1%, 29.4%, 0%, 30.6%)
CIE-LAB	lab(51.47, 0.67, -31.97)
CIE-LCH	lch(51.47, 31.98, 271.20°)
OKLab	oklab(58.14% -0.0251 -0.0898)
OKLCH	oklch(58.14% 0.093 254.4)
XYZ	xyz(18.8340, 19.6791, 44.3924)
Luminance	0.1968 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DB1 #B18753

analogous

#53ACB1 #537DB1 #5853B1

triadic

#537DB1 #B1537D #7DB153

tetradic

#537DB1 #B153AC #B18753 #53B158

square

#537DB1 #B153AC #B18753 #53B158

split-complementary

#537DB1 #B15853 #ACB153

monochromatic

#2B425F #3E5F89 #537DB1 #7D9DC4 #A7BDD7

Accessibility & contrast

On white

4.25

#537DB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#537DB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DB1

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DB1	#FFFFFF	#000000	##000000
##537DB1	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6880B3

Deuteranopia (green-blind)

#5C77B0

Tritanopia (blue-blind)

#20898F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #537db1;
/* rgb */ color: rgb(83, 125, 177);
/* oklch */ color: oklch(58.1% 0.093 254.4);

Tailwind

colors: {
  custom: {
    50: '#89a2c8',
    500: '#537db1',
    950: '#000000',
  },
}

SCSS

$custom: #537db1;
$custom-light: #89a2c8;
$custom-dark: #000000;

JSON

{
  "hex": "#537db1",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 177
  },
  "hsl": {
    "h": 213.191,
    "s": 37.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.58139,
    "c": 0.09322,
    "h": 254.4
  },
  "luminance": 0.19681
}

Semantic roles & 50–950 ramp

primary

#537DB1

secondary

#C5B29B

accent

#9A5ACE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #537DB1

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

Preview Lab → · Contrast checker → · Palette generator →