#537CB5#537CB5

#537CB5 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 58.1% C 0.100 H 256.8°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#537CB5
RGB	rgb(83, 124, 181)
HSL	hsl(215, 40%, 52%)
HSV	hsv(215, 54%, 71%)
CMYK	cmyk(54.1%, 31.5%, 0%, 29%)
CIE-LAB	lab(51.37, 2.54, -34.44)
CIE-LCH	lch(51.37, 34.53, 274.23°)
OKLab	oklab(58.12% -0.0227 -0.0969)
OKLCH	oklch(58.12% 0.1 256.8)
XYZ	xyz(19.1125, 19.5890, 46.4810)
Luminance	0.1959 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CB5 #B58C53

analogous

#53ADB5 #537CB5 #5B53B5

triadic

#537CB5 #B5537C #7CB553

tetradic

#537CB5 #B553AD #B58C53 #53B55B

square

#537CB5 #B553AD #B58C53 #53B55B

split-complementary

#537CB5 #B55B53 #ADB553

monochromatic

#2B4263 #3D5F8E #537CB5 #7E9DC7 #A9BDDA

Accessibility & contrast

On white

4.27

#537CB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#537CB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CB5

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CB5	#FFFFFF	#000000	##000000
##537CB5	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6580B7

Deuteranopia (green-blind)

#5976B4

Tritanopia (blue-blind)

#1A8990

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #537cb5;
/* rgb */ color: rgb(83, 124, 181);
/* oklch */ color: oklch(58.1% 0.100 256.8);

Tailwind

colors: {
  custom: {
    50: '#8aa1cb',
    500: '#537cb5',
    950: '#000000',
  },
}

SCSS

$custom: #537cb5;
$custom-light: #8aa1cb;
$custom-dark: #000000;

JSON

{
  "hex": "#537cb5",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 181
  },
  "hsl": {
    "h": 214.898,
    "s": 39.837,
    "l": 51.765
  },
  "oklch": {
    "l": 0.5812,
    "c": 0.09956,
    "h": 256.8
  },
  "luminance": 0.1959
}

Semantic roles & 50–950 ramp

primary

#537CB5

secondary

#C7B59C

accent

#9E58D0

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #537CB5

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

Preview Lab → · Contrast checker → · Palette generator →