#537ADA#537ADA

#537ADA is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.8% C 0.153 H 265.4°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#537ADA
RGB	rgb(83, 122, 218)
HSL	hsl(223, 65%, 59%)
HSV	hsv(223, 62%, 85%)
CMYK	cmyk(61.9%, 44%, 0%, 14.5%)
CIE-LAB	lab(52.75, 16.04, -53.35)
CIE-LCH	lch(52.75, 55.71, 286.74°)
OKLab	oklab(59.82% -0.0122 -0.1522)
OKLCH	oklch(59.82% 0.153 265.4)
XYZ	xyz(23.1773, 20.8180, 69.1129)
Luminance	0.2082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537ADA #DAB353

analogous

#53BDDA #537ADA #7053DA

triadic

#537ADA #DA537A #7ADA53

tetradic

#537ADA #DA53BD #DAB353 #53DA70

square

#537ADA #DA53BD #DAB353 #53DA70

split-complementary

#537ADA #DA7053 #BDDA53

monochromatic

#204193 #2A57C5 #537ADA #85A1E5 #B8C8F0

Accessibility & contrast

On white

4.07

#537ADA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#537ADA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537ADA

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537ADA	#FFFFFF	#000000	##000000
##537ADA	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)

#4D84DE

Deuteranopia (green-blind)

#3878D8

Tritanopia (blue-blind)

#00909F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #537ada;
/* rgb */ color: rgb(83, 122, 218);
/* oklch */ color: oklch(59.8% 0.153 265.4);

Tailwind

colors: {
  custom: {
    50: '#8fa0e6',
    500: '#537ada',
    950: '#000000',
  },
}

SCSS

$custom: #537ada;
$custom-light: #8fa0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#537ada",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 218
  },
  "hsl": {
    "h": 222.667,
    "s": 64.593,
    "l": 59.02
  },
  "oklch": {
    "l": 0.5982,
    "c": 0.15271,
    "h": 265.4
  },
  "luminance": 0.2082
}

Semantic roles & 50–950 ramp

primary

#537ADA

secondary

#DFD0AA

accent

#B740E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #537ADA

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

Preview Lab → · Contrast checker → · Palette generator →