#537FBC#537FBC

#537FBC is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 59.2% C 0.106 H 256.8°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#537FBC
RGB	rgb(83, 127, 188)
HSL	hsl(215, 44%, 53%)
HSV	hsv(215, 56%, 74%)
CMYK	cmyk(55.9%, 32.4%, 0%, 26.3%)
CIE-LAB	lab(52.56, 3.01, -36.59)
CIE-LCH	lch(52.56, 36.71, 274.71°)
OKLab	oklab(59.16% -0.0242 -0.1032)
OKLCH	oklch(59.16% 0.106 256.8)
XYZ	xyz(20.2306, 20.6469, 50.4864)
Luminance	0.2065 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FBC #BC9053

analogous

#53B3BC #537FBC #5B53BC

triadic

#537FBC #BC537F #7FBC53

tetradic

#537FBC #BC53B3 #BC9053 #53BC5B

square

#537FBC #BC53B3 #BC9053 #53BC5B

split-complementary

#537FBC #BC5B53 #B3BC53

monochromatic

#2A456B #3B6197 #537FBC #7FA0CD #ABC1DE

Accessibility & contrast

On white

4.09

#537FBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#537FBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FBC

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FBC	#FFFFFF	#000000	##000000
##537FBC	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)

#6683BF

Deuteranopia (green-blind)

#5979BB

Tritanopia (blue-blind)

#088D95

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537fbc;
/* rgb */ color: rgb(83, 127, 188);
/* oklch */ color: oklch(59.2% 0.106 256.8);

Tailwind

colors: {
  custom: {
    50: '#8ba3d0',
    500: '#537fbc',
    950: '#000000',
  },
}

SCSS

$custom: #537fbc;
$custom-light: #8ba3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#537fbc",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 188
  },
  "hsl": {
    "h": 214.857,
    "s": 43.933,
    "l": 53.137
  },
  "oklch": {
    "l": 0.5916,
    "c": 0.10597,
    "h": 256.8
  },
  "luminance": 0.20649
}

Semantic roles & 50–950 ramp

primary

#537FBC

secondary

#CCB99F

accent

#9E54D4

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #537FBC

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

Preview Lab → · Contrast checker → · Palette generator →