#537FC0#537FC0

#537FC0 is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.4% C 0.111 H 258.0°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#537FC0
RGB	rgb(83, 127, 192)
HSL	hsl(216, 46%, 54%)
HSV	hsv(216, 57%, 75%)
CMYK	cmyk(56.8%, 33.9%, 0%, 24.7%)
CIE-LAB	lab(52.75, 4.32, -38.58)
CIE-LCH	lch(52.75, 38.82, 276.38°)
OKLab	oklab(59.37% -0.0232 -0.1089)
OKLCH	oklch(59.37% 0.111 258)
XYZ	xyz(20.6678, 20.8218, 52.7888)
Luminance	0.2082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FC0 #C09453

analogous

#53B6C0 #537FC0 #5E53C0

triadic

#537FC0 #C0537F #7FC053

tetradic

#537FC0 #C053B6 #C09453 #53C05E

square

#537FC0 #C053B6 #C09453 #53C05E

split-complementary

#537FC0 #C05E53 #B6C053

monochromatic

#294570 #39619C #537FC0 #80A0D0 #ADC2E1

Accessibility & contrast

On white

4.07

#537FC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#537FC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FC0

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FC0	#FFFFFF	#000000	##000000
##537FC0	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6484C3

Deuteranopia (green-blind)

#5779BF

Tritanopia (blue-blind)

#008E97

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #537fc0;
/* rgb */ color: rgb(83, 127, 192);
/* oklch */ color: oklch(59.4% 0.111 258.0);

Tailwind

colors: {
  custom: {
    50: '#8ba3d3',
    500: '#537fc0',
    950: '#000000',
  },
}

SCSS

$custom: #537fc0;
$custom-light: #8ba3d3;
$custom-dark: #000000;

JSON

{
  "hex": "#537fc0",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 192
  },
  "hsl": {
    "h": 215.78,
    "s": 46.383,
    "l": 53.922
  },
  "oklch": {
    "l": 0.59374,
    "c": 0.11137,
    "h": 258
  },
  "luminance": 0.20824
}

Semantic roles & 50–950 ramp

primary

#537FC0

secondary

#CFBCA0

accent

#A152D6

background

#F8FAFD

surface

#F0F3FA

border

#CBCDD3

text

#0D0F14

muted

#7D7F83

Preview Lab

Preview with #537FC0

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

Preview Lab → · Contrast checker → · Palette generator →