#537CD8#537CD8

#537CD8 is a mid, vivid blue. Relative luminance 0.212; OKLCH L 60.1% C 0.148 H 264.3°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#537CD8
RGB	rgb(83, 124, 216)
HSL	hsl(222, 63%, 59%)
HSV	hsv(222, 62%, 85%)
CMYK	cmyk(61.6%, 42.6%, 0%, 15.3%)
CIE-LAB	lab(53.18, 14.14, -51.53)
CIE-LCH	lch(53.18, 53.44, 285.34°)
OKLab	oklab(60.11% -0.0146 -0.1469)
OKLCH	oklch(60.11% 0.148 264.3)
XYZ	xyz(23.1653, 21.2101, 67.8256)
Luminance	0.2121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CD8 #D8AF53

analogous

#53BED8 #537CD8 #6C53D8

triadic

#537CD8 #D8537C #7CD853

tetradic

#537CD8 #D853BE #D8AF53 #53D86C

square

#537CD8 #D853BE #D8AF53 #53D86C

split-complementary

#537CD8 #D86C53 #BED853

monochromatic

#214390 #2C5AC2 #537CD8 #85A2E3 #B7C8EF

Accessibility & contrast

On white

4.01

#537CD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#537CD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CD8

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CD8	#FFFFFF	#000000	##000000
##537CD8	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5286DC

Deuteranopia (green-blind)

#3E79D6

Tritanopia (blue-blind)

#00919F

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #537cd8;
/* rgb */ color: rgb(83, 124, 216);
/* oklch */ color: oklch(60.1% 0.148 264.3);

Tailwind

colors: {
  custom: {
    50: '#8fa1e4',
    500: '#537cd8',
    950: '#000000',
  },
}

SCSS

$custom: #537cd8;
$custom-light: #8fa1e4;
$custom-dark: #000000;

JSON

{
  "hex": "#537cd8",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 216
  },
  "hsl": {
    "h": 221.504,
    "s": 63.033,
    "l": 58.627
  },
  "oklch": {
    "l": 0.60113,
    "c": 0.14759,
    "h": 264.3
  },
  "luminance": 0.21212
}

Semantic roles & 50–950 ramp

primary

#537CD8

secondary

#DECDA9

accent

#B342E6

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #537CD8

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

Preview Lab → · Contrast checker → · Palette generator →