#537BDA#537BDA

#537BDA is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.0% C 0.152 H 265.0°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#537BDA
RGB	rgb(83, 123, 218)
HSL	hsl(222, 65%, 59%)
HSV	hsv(222, 62%, 85%)
CMYK	cmyk(61.9%, 43.6%, 0%, 14.5%)
CIE-LAB	lab(53.02, 15.43, -52.92)
CIE-LCH	lch(53.02, 55.12, 286.26°)
OKLab	oklab(60.03% -0.0132 -0.1509)
OKLCH	oklch(60.03% 0.152 265)
XYZ	xyz(23.3008, 21.0648, 69.1541)
Luminance	0.2107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537BDA #DAB253

analogous

#53BFDA #537BDA #6F53DA

triadic

#537BDA #DA537B #7BDA53

tetradic

#537BDA #DA53BF #DAB253 #53DA6F

square

#537BDA #DA53BF #DAB253 #53DA6F

split-complementary

#537BDA #DA6F53 #BFDA53

monochromatic

#204293 #2A58C5 #537BDA #85A2E5 #B8C8F0

Accessibility & contrast

On white

4.03

#537BDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#537BDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BDA

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537BDA	#FFFFFF	#000000	##000000
##537BDA	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F85DE

Deuteranopia (green-blind)

#3A79D8

Tritanopia (blue-blind)

#0091A0

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #537bda;
/* rgb */ color: rgb(83, 123, 218);
/* oklch */ color: oklch(60.0% 0.152 265.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#537bda",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 218
  },
  "hsl": {
    "h": 222.222,
    "s": 64.593,
    "l": 59.02
  },
  "oklch": {
    "l": 0.60028,
    "c": 0.15152,
    "h": 265
  },
  "luminance": 0.21067
}

Semantic roles & 50–950 ramp

primary

#537BDA

secondary

#DFCFAA

accent

#B640E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #537BDA

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

Preview Lab → · Contrast checker → · Palette generator →