#537DB3#537DB3

#537DB3 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.2% C 0.096 H 255.2°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#537DB3
RGB	rgb(83, 125, 179)
HSL	hsl(214, 39%, 51%)
HSV	hsv(214, 54%, 70%)
CMYK	cmyk(53.6%, 30.2%, 0%, 29.8%)
CIE-LAB	lab(51.56, 1.31, -32.98)
CIE-LCH	lch(51.56, 33.01, 272.27°)
OKLab	oklab(58.24% -0.0245 -0.0927)
OKLCH	oklch(58.24% 0.096 255.2)
XYZ	xyz(19.0348, 19.7594, 45.4500)
Luminance	0.1976 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DB3 #B38953

analogous

#53ADB3 #537DB3 #5953B3

triadic

#537DB3 #B3537D #7DB353

tetradic

#537DB3 #B353AD #B38953 #53B359

square

#537DB3 #B353AD #B38953 #53B359

split-complementary

#537DB3 #B35953 #ADB353

monochromatic

#2B4261 #3E608B #537DB3 #7D9DC6 #A8BDD9

Accessibility & contrast

On white

4.24

#537DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#537DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DB3

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DB3	#FFFFFF	#000000	##000000
##537DB3	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B5

Deuteranopia (green-blind)

#5B77B2

Tritanopia (blue-blind)

#1D8990

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #537db3;
/* rgb */ color: rgb(83, 125, 179);
/* oklch */ color: oklch(58.2% 0.096 255.2);

Tailwind

colors: {
  custom: {
    50: '#8aa2ca',
    500: '#537db3',
    950: '#000000',
  },
}

SCSS

$custom: #537db3;
$custom-light: #8aa2ca;
$custom-dark: #000000;

JSON

{
  "hex": "#537db3",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 179
  },
  "hsl": {
    "h": 213.75,
    "s": 38.71,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58241,
    "c": 0.09588,
    "h": 255.2
  },
  "luminance": 0.19761
}

Semantic roles & 50–950 ramp

primary

#537DB3

secondary

#C6B49C

accent

#9B59CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #537DB3

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

Preview Lab → · Contrast checker → · Palette generator →