#537CCD#537CCD

#537CCD is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.5% C 0.132 H 262.7°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#537CCD
RGB	rgb(83, 124, 205)
HSL	hsl(220, 55%, 56%)
HSV	hsv(220, 60%, 80%)
CMYK	cmyk(59.5%, 39.5%, 0%, 19.6%)
CIE-LAB	lab(52.58, 10.43, -46.27)
CIE-LCH	lch(52.58, 47.43, 282.71°)
OKLab	oklab(59.45% -0.0167 -0.1314)
OKLCH	oklch(59.45% 0.132 262.7)
XYZ	xyz(21.7906, 20.6602, 60.5853)
Luminance	0.2066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CCD #CDA453

analogous

#53B9CD #537CCD #6753CD

triadic

#537CCD #CD537C #7CCD53

tetradic

#537CCD #CD53B9 #CDA453 #53CD67

square

#537CCD #CD53B9 #CDA453 #53CD67

split-complementary

#537CCD #CD6753 #B9CD53

monochromatic

#254480 #335DB0 #537CCD #82A0DB #B2C4E9

Accessibility & contrast

On white

4.09

#537CCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#537CCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CCD

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CCD	#FFFFFF	#000000	##000000
##537CCD	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5984D0

Deuteranopia (green-blind)

#4978CB

Tritanopia (blue-blind)

#008E9A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537ccd;
/* rgb */ color: rgb(83, 124, 205);
/* oklch */ color: oklch(59.5% 0.132 262.7);

Tailwind

colors: {
  custom: {
    50: '#8da1dd',
    500: '#537ccd',
    950: '#000000',
  },
}

SCSS

$custom: #537ccd;
$custom-light: #8da1dd;
$custom-dark: #000000;

JSON

{
  "hex": "#537ccd",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 205
  },
  "hsl": {
    "h": 219.836,
    "s": 54.955,
    "l": 56.471
  },
  "oklch": {
    "l": 0.59452,
    "c": 0.13248,
    "h": 262.7
  },
  "luminance": 0.20662
}

Semantic roles & 50–950 ramp

primary

#537CCD

secondary

#D7C6A5

accent

#AC4ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #537CCD

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

Preview Lab → · Contrast checker → · Palette generator →