#537BCD#537BCD

#537BCD is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.2% C 0.134 H 263.3°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#537BCD
RGB	rgb(83, 123, 205)
HSL	hsl(220, 55%, 56%)
HSV	hsv(220, 60%, 80%)
CMYK	cmyk(59.5%, 40%, 0%, 19.6%)
CIE-LAB	lab(52.30, 11.04, -46.71)
CIE-LCH	lch(52.30, 47.99, 283.30°)
OKLab	oklab(59.24% -0.0157 -0.1327)
OKLCH	oklch(59.24% 0.134 263.3)
XYZ	xyz(21.6659, 20.4109, 60.5437)
Luminance	0.2041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537BCD #CDA553

analogous

#53B8CD #537BCD #6853CD

triadic

#537BCD #CD537B #7BCD53

tetradic

#537BCD #CD53B8 #CDA553 #53CD68

square

#537BCD #CD53B8 #CDA553 #53CD68

split-complementary

#537BCD #CD6853 #B8CD53

monochromatic

#254380 #335CB0 #537BCD #829FDB #B2C4E9

Accessibility & contrast

On white

4.13

#537BCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#537BCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BCD

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537BCD	#FFFFFF	#000000	##000000
##537BCD	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5883D0

Deuteranopia (green-blind)

#4778CB

Tritanopia (blue-blind)

#008D9A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537bcd;
/* rgb */ color: rgb(83, 123, 205);
/* oklch */ color: oklch(59.2% 0.134 263.3);

Tailwind

colors: {
  custom: {
    50: '#8da0dd',
    500: '#537bcd',
    950: '#000000',
  },
}

SCSS

$custom: #537bcd;
$custom-light: #8da0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#537bcd",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 205
  },
  "hsl": {
    "h": 220.328,
    "s": 54.955,
    "l": 56.471
  },
  "oklch": {
    "l": 0.59238,
    "c": 0.13364,
    "h": 263.3
  },
  "luminance": 0.20413
}

Semantic roles & 50–950 ramp

primary

#537BCD

secondary

#D7C7A5

accent

#AE4ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #537BCD

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

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