#537ED5#537ED5

#537ED5 is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.4% C 0.141 H 263.0°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#537ED5
RGB	rgb(83, 126, 213)
HSL	hsl(220, 61%, 58%)
HSV	hsv(220, 61%, 84%)
CMYK	cmyk(61%, 40.8%, 0%, 16.5%)
CIE-LAB	lab(53.56, 11.90, -49.23)
CIE-LCH	lch(53.56, 50.65, 283.59°)
OKLab	oklab(60.35% -0.0172 -0.1401)
OKLCH	oklch(60.35% 0.141 263)
XYZ	xyz(23.0342, 21.5628, 65.8861)
Luminance	0.2157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537ED5 #D5AA53

analogous

#53BFD5 #537ED5 #6953D5

triadic

#537ED5 #D5537E #7ED553

tetradic

#537ED5 #D553BF #D5AA53 #53D569

square

#537ED5 #D553BF #D5AA53 #53D569

split-complementary

#537ED5 #D56953 #BFD553

monochromatic

#22458C #2E5DBD #537ED5 #84A3E1 #B5C8ED

Accessibility & contrast

On white

3.95

#537ED5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#537ED5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537ED5

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537ED5	#FFFFFF	#000000	##000000
##537ED5	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5886D8

Deuteranopia (green-blind)

#457AD3

Tritanopia (blue-blind)

#00929F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #537ed5;
/* rgb */ color: rgb(83, 126, 213);
/* oklch */ color: oklch(60.4% 0.141 263.0);

Tailwind

colors: {
  custom: {
    50: '#8ea2e2',
    500: '#537ed5',
    950: '#000000',
  },
}

SCSS

$custom: #537ed5;
$custom-light: #8ea2e2;
$custom-dark: #000000;

JSON

{
  "hex": "#537ed5",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 213
  },
  "hsl": {
    "h": 220.154,
    "s": 60.748,
    "l": 58.039
  },
  "oklch": {
    "l": 0.60353,
    "c": 0.14115,
    "h": 263
  },
  "luminance": 0.21565
}

Semantic roles & 50–950 ramp

primary

#537ED5

secondary

#DCCBA8

accent

#AF44E4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #537ED5

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

Preview Lab → · Contrast checker → · Palette generator →