#537DB2#537DB2

#537DB2 is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.2% C 0.095 H 254.8°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#537DB2
RGB	rgb(83, 125, 178)
HSL	hsl(213, 38%, 51%)
HSV	hsv(213, 53%, 70%)
CMYK	cmyk(53.4%, 29.8%, 0%, 30.2%)
CIE-LAB	lab(51.52, 0.99, -32.48)
CIE-LCH	lch(51.52, 32.49, 271.74°)
OKLab	oklab(58.19% -0.0248 -0.0912)
OKLCH	oklch(58.19% 0.095 254.8)
XYZ	xyz(18.9340, 19.7191, 44.9193)
Luminance	0.1972 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DB2 #B28853

analogous

#53ACB2 #537DB2 #5853B2

triadic

#537DB2 #B2537D #7DB253

tetradic

#537DB2 #B253AC #B28853 #53B258

square

#537DB2 #B253AC #B28853 #53B258

split-complementary

#537DB2 #B25853 #ACB253

monochromatic

#2B4260 #3E5F8A #537DB2 #7D9DC5 #A8BDD8

Accessibility & contrast

On white

4.25

#537DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#537DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DB2

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DB2	#FFFFFF	#000000	##000000
##537DB2	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)

#6880B4

Deuteranopia (green-blind)

#5C77B1

Tritanopia (blue-blind)

#1E8990

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #537db2;
/* rgb */ color: rgb(83, 125, 178);
/* oklch */ color: oklch(58.2% 0.095 254.8);

Tailwind

colors: {
  custom: {
    50: '#89a2c9',
    500: '#537db2',
    950: '#000000',
  },
}

SCSS

$custom: #537db2;
$custom-light: #89a2c9;
$custom-dark: #000000;

JSON

{
  "hex": "#537db2",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 178
  },
  "hsl": {
    "h": 213.474,
    "s": 38.153,
    "l": 51.176
  },
  "oklch": {
    "l": 0.5819,
    "c": 0.09455,
    "h": 254.8
  },
  "luminance": 0.19721
}

Semantic roles & 50–950 ramp

primary

#537DB2

secondary

#C5B39B

accent

#9B5ACE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #537DB2

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

Preview Lab → · Contrast checker → · Palette generator →