#537FA3#537FA3

#537FA3 is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.9% C 0.074 H 244.2°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#537FA3
RGB	rgb(83, 127, 163)
HSL	hsl(207, 33%, 48%)
HSV	hsv(207, 49%, 64%)
CMYK	cmyk(49.1%, 22.1%, 0%, 36.1%)
CIE-LAB	lab(51.45, -4.86, -23.90)
CIE-LCH	lch(51.45, 24.39, 258.50°)
OKLab	oklab(57.92% -0.0321 -0.0666)
OKLCH	oklch(57.92% 0.074 244.2)
XYZ	xyz(17.7652, 19.6608, 37.5020)
Luminance	0.1966 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FA3 #A37753

analogous

#53A39F #537FA3 #5357A3

triadic

#537FA3 #A3537F #7FA353

tetradic

#537FA3 #9F53A3 #A37753 #57A353

square

#537FA3 #9F53A3 #A37753 #57A353

split-complementary

#537FA3 #A35357 #A39F53

monochromatic

#2A4052 #3E5F7A #537FA3 #799DBB #A1BBCF

Accessibility & contrast

On white

4.26

#537FA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#537FA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FA3

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FA3	#FFFFFF	#000000	##000000
##537FA3	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707FA5

Deuteranopia (green-blind)

#6577A2

Tritanopia (blue-blind)

#2E888B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #537fa3;
/* rgb */ color: rgb(83, 127, 163);
/* oklch */ color: oklch(57.9% 0.074 244.2);

Tailwind

colors: {
  custom: {
    50: '#88a4be',
    500: '#537fa3',
    950: '#000000',
  },
}

SCSS

$custom: #537fa3;
$custom-light: #88a4be;
$custom-dark: #000000;

JSON

{
  "hex": "#537fa3",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 163
  },
  "hsl": {
    "h": 207,
    "s": 32.52,
    "l": 48.235
  },
  "oklch": {
    "l": 0.57923,
    "c": 0.0739,
    "h": 244.2
  },
  "luminance": 0.19662
}

Semantic roles & 50–950 ramp

primary

#537FA3

secondary

#BCA795

accent

#8F5FC9

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #537FA3

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

Preview Lab → · Contrast checker → · Palette generator →