#537CBC#537CBC

#537CBC is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.5% C 0.109 H 259.0°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#537CBC
RGB	rgb(83, 124, 188)
HSL	hsl(217, 44%, 53%)
HSV	hsv(217, 56%, 74%)
CMYK	cmyk(55.9%, 34%, 0%, 26.3%)
CIE-LAB	lab(51.71, 4.81, -37.94)
CIE-LCH	lch(51.71, 38.24, 277.23°)
OKLab	oklab(58.49% -0.0208 -0.1071)
OKLCH	oklch(58.49% 0.109 259)
XYZ	xyz(19.8489, 19.8836, 50.3591)
Luminance	0.1988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CBC #BC9353

analogous

#53B1BC #537CBC #5E53BC

triadic

#537CBC #BC537C #7CBC53

tetradic

#537CBC #BC53B1 #BC9353 #53BC5E

square

#537CBC #BC53B1 #BC9353 #53BC5E

split-complementary

#537CBC #BC5E53 #B1BC53

monochromatic

#2A436B #3B5F97 #537CBC #7F9ECD #ABBFDE

Accessibility & contrast

On white

4.22

#537CBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#537CBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CBC

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CBC	#FFFFFF	#000000	##000000
##537CBC	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6281BF

Deuteranopia (green-blind)

#5577BB

Tritanopia (blue-blind)

#0B8A93

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #537cbc;
/* rgb */ color: rgb(83, 124, 188);
/* oklch */ color: oklch(58.5% 0.109 259.0);

Tailwind

colors: {
  custom: {
    50: '#8ba1d0',
    500: '#537cbc',
    950: '#000000',
  },
}

SCSS

$custom: #537cbc;
$custom-light: #8ba1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#537cbc",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 188
  },
  "hsl": {
    "h": 216.571,
    "s": 43.933,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58492,
    "c": 0.1091,
    "h": 259
  },
  "luminance": 0.19885
}

Semantic roles & 50–950 ramp

primary

#537CBC

secondary

#CCBA9F

accent

#A254D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #537CBC

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

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