#537BC2#537BC2

#537BC2 is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.6% C 0.118 H 261.2°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#537BC2
RGB	rgb(83, 123, 194)
HSL	hsl(218, 48%, 54%)
HSV	hsv(218, 57%, 76%)
CMYK	cmyk(57.2%, 36.6%, 0%, 23.9%)
CIE-LAB	lab(51.72, 7.38, -41.35)
CIE-LCH	lch(51.72, 42.00, 280.12°)
OKLab	oklab(58.6% -0.0181 -0.117)
OKLCH	oklch(58.6% 0.118 261.2)
XYZ	xyz(20.3845, 19.8983, 53.7950)
Luminance	0.1990 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537BC2 #C29A53

analogous

#53B3C2 #537BC2 #6353C2

triadic

#537BC2 #C2537B #7BC253

tetradic

#537BC2 #C253B3 #C29A53 #53C263

square

#537BC2 #C253B3 #C29A53 #53C263

split-complementary

#537BC2 #C26353 #B3C253

monochromatic

#284372 #385E9F #537BC2 #809ED2 #ADC0E2

Accessibility & contrast

On white

4.22

#537BC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#537BC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BC2

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537BC2	#FFFFFF	#000000	##000000
##537BC2	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E81C5

Deuteranopia (green-blind)

#5077C0

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #537bc2;
/* rgb */ color: rgb(83, 123, 194);
/* oklch */ color: oklch(58.6% 0.118 261.2);

Tailwind

colors: {
  custom: {
    50: '#8ca0d5',
    500: '#537bc2',
    950: '#000000',
  },
}

SCSS

$custom: #537bc2;
$custom-light: #8ca0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#537bc2",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 194
  },
  "hsl": {
    "h": 218.378,
    "s": 47.639,
    "l": 54.314
  },
  "oklch": {
    "l": 0.58603,
    "c": 0.11845,
    "h": 261.2
  },
  "luminance": 0.199
}

Semantic roles & 50–950 ramp

primary

#537BC2

secondary

#D0BFA1

accent

#A751D7

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #537BC2

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

Preview Lab → · Contrast checker → · Palette generator →