#537CC8#537CC8

#537CC8 is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.2% C 0.126 H 261.8°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#537CC8
RGB	rgb(83, 124, 200)
HSL	hsl(219, 52%, 55%)
HSV	hsv(219, 59%, 78%)
CMYK	cmyk(58.5%, 38%, 0%, 21.6%)
CIE-LAB	lab(52.31, 8.76, -43.84)
CIE-LCH	lch(52.31, 44.71, 281.31°)
OKLab	oklab(59.16% -0.0178 -0.1243)
OKLCH	oklch(59.16% 0.126 261.8)
XYZ	xyz(21.1967, 20.4227, 57.4573)
Luminance	0.2042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CC8 #C89F53

analogous

#53B7C8 #537CC8 #6453C8

triadic

#537CC8 #C8537C #7CC853

tetradic

#537CC8 #C853B7 #C89F53 #53C864

square

#537CC8 #C853B7 #C89F53 #53C864

split-complementary

#537CC8 #C86453 #B7C853

monochromatic

#27447A #365EA8 #537CC8 #819FD7 #B0C3E6

Accessibility & contrast

On white

4.13

#537CC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#537CC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CC8

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CC8	#FFFFFF	#000000	##000000
##537CC8	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C83CB

Deuteranopia (green-blind)

#4D78C6

Tritanopia (blue-blind)

#008D98

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537cc8;
/* rgb */ color: rgb(83, 124, 200);
/* oklch */ color: oklch(59.2% 0.126 261.8);

Tailwind

colors: {
  custom: {
    50: '#8ca1d9',
    500: '#537cc8',
    950: '#000000',
  },
}

SCSS

$custom: #537cc8;
$custom-light: #8ca1d9;
$custom-dark: #000000;

JSON

{
  "hex": "#537cc8",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 200
  },
  "hsl": {
    "h": 218.974,
    "s": 51.542,
    "l": 55.49
  },
  "oklch": {
    "l": 0.59162,
    "c": 0.1256,
    "h": 261.8
  },
  "luminance": 0.20424
}

Semantic roles & 50–950 ramp

primary

#537CC8

secondary

#D4C3A3

accent

#A94DDB

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #537CC8

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

Preview Lab → · Contrast checker → · Palette generator →