#537FD7#537FD7

#537FD7 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.7% C 0.143 H 262.8°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#537FD7
RGB	rgb(83, 127, 215)
HSL	hsl(220, 62%, 58%)
HSV	hsv(220, 61%, 84%)
CMYK	cmyk(61.4%, 40.9%, 0%, 15.7%)
CIE-LAB	lab(53.94, 11.97, -49.75)
CIE-LCH	lch(53.94, 51.17, 283.53°)
OKLab	oklab(60.69% -0.0178 -0.1416)
OKLCH	oklch(60.69% 0.143 262.8)
XYZ	xyz(23.4181, 21.9220, 67.2741)
Luminance	0.2192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FD7 #D7AB53

analogous

#53C1D7 #537FD7 #6953D7

triadic

#537FD7 #D7537F #7FD753

tetradic

#537FD7 #D753C1 #D7AB53 #53D769

square

#537FD7 #D753C1 #D7AB53 #53D769

split-complementary

#537FD7 #D76953 #C1D753

monochromatic

#21468E #2D5EC0 #537FD7 #85A4E3 #B6C9EE

Accessibility & contrast

On white

3.90

#537FD7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#537FD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FD7

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FD7	#FFFFFF	#000000	##000000
##537FD7	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5887DA

Deuteranopia (green-blind)

#457BD5

Tritanopia (blue-blind)

#0093A0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #537fd7;
/* rgb */ color: rgb(83, 127, 215);
/* oklch */ color: oklch(60.7% 0.143 262.8);

Tailwind

colors: {
  custom: {
    50: '#8fa3e4',
    500: '#537fd7',
    950: '#000000',
  },
}

SCSS

$custom: #537fd7;
$custom-light: #8fa3e4;
$custom-dark: #000000;

JSON

{
  "hex": "#537fd7",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 215
  },
  "hsl": {
    "h": 220,
    "s": 62.264,
    "l": 58.431
  },
  "oklch": {
    "l": 0.60685,
    "c": 0.14272,
    "h": 262.8
  },
  "luminance": 0.21924
}

Semantic roles & 50–950 ramp

primary

#537FD7

secondary

#DDCCA9

accent

#AF42E5

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0D0F15

muted

#7E7F84

Preview Lab

Preview with #537FD7

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

Preview Lab → · Contrast checker → · Palette generator →