#537BC0#537BC0

#537BC0 is a mid, moderate blue. Relative luminance 0.198; OKLCH L 58.5% C 0.116 H 260.7°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#537BC0
RGB	rgb(83, 123, 192)
HSL	hsl(218, 46%, 54%)
HSV	hsv(218, 57%, 75%)
CMYK	cmyk(56.8%, 35.9%, 0%, 24.7%)
CIE-LAB	lab(51.62, 6.72, -40.36)
CIE-LCH	lch(51.62, 40.92, 279.46°)
OKLab	oklab(58.49% -0.0186 -0.1142)
OKLCH	oklch(58.49% 0.116 260.7)
XYZ	xyz(20.1614, 19.8091, 52.6200)
Luminance	0.1981 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537BC0 #C09853

analogous

#53B2C0 #537BC0 #6253C0

triadic

#537BC0 #C0537B #7BC053

tetradic

#537BC0 #C053B2 #C09853 #53C062

square

#537BC0 #C053B2 #C09853 #53C062

split-complementary

#537BC0 #C06253 #B2C053

monochromatic

#294370 #395E9C #537BC0 #809DD0 #ADC0E1

Accessibility & contrast

On white

4.23

#537BC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#537BC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BC0

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537BC0	#FFFFFF	#000000	##000000
##537BC0	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F81C3

Deuteranopia (green-blind)

#5176BF

Tritanopia (blue-blind)

#008A94

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #537bc0;
/* rgb */ color: rgb(83, 123, 192);
/* oklch */ color: oklch(58.5% 0.116 260.7);

Tailwind

colors: {
  custom: {
    50: '#8ba0d3',
    500: '#537bc0',
    950: '#000000',
  },
}

SCSS

$custom: #537bc0;
$custom-light: #8ba0d3;
$custom-dark: #000000;

JSON

{
  "hex": "#537bc0",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 192
  },
  "hsl": {
    "h": 217.982,
    "s": 46.383,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58491,
    "c": 0.11569,
    "h": 260.7
  },
  "luminance": 0.19811
}

Semantic roles & 50–950 ramp

primary

#537BC0

secondary

#CFBEA0

accent

#A552D6

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0D0E14

muted

#7D7E83

Preview Lab

Preview with #537BC0

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

Preview Lab → · Contrast checker → · Palette generator →