#537AA3#537AA3

#537AA3 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.8% C 0.078 H 250.5°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#537AA3
RGBrgb(83, 122, 163)
HSLhsl(211, 33%, 48%)
HSVhsv(211, 49%, 64%)
CMYKcmyk(49.1%, 25.2%, 0%, 36.1%)
CIE-LABlab(49.98, -1.93, -26.17)
CIE-LCHlch(49.98, 26.25, 265.77°)
OKLaboklab(56.76% -0.0259 -0.0731)
OKLCHoklch(56.76% 0.078 250.5)
XYZxyz(17.1354, 18.4012, 37.2921)
Luminance0.1840 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#537AA3 #A37C53
analogous
#53A2A3 #537AA3 #5453A3
triadic
#537AA3 #A3537A #7AA353
tetradic
#537AA3 #A353A2 #A37C53 #53A354
square
#537AA3 #A353A2 #A37C53 #53A354
split-complementary
#537AA3 #A35453 #A2A353
monochromatic
#2A3D52 #3E5C7A #537AA3 #7999BB #A1B8CF

Accessibility & contrast

On white

4.49
#537AA3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.68
#537AA3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537AA3
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##537AA3#FFFFFF#000000##000000
##537AA31.004.494.684.68
#FFFFFF4.491.0021.0021.00
#0000004.6821.001.001.00
##0000004.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A7BA5
Deuteranopia (green-blind)
#6073A2
Tritanopia (blue-blind)
#2F8388
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #537aa3;
/* rgb */ color: rgb(83, 122, 163);
/* oklch */ color: oklch(56.8% 0.078 250.5);
Tailwind
colors: {
  custom: {
    50: '#88a0be',
    500: '#537aa3',
    950: '#000000',
  },
}
SCSS
$custom: #537aa3;
$custom-light: #88a0be;
$custom-dark: #000000;
JSON
{
  "hex": "#537aa3",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 163
  },
  "hsl": {
    "h": 210.75,
    "s": 32.52,
    "l": 48.235
  },
  "oklch": {
    "l": 0.56763,
    "c": 0.07752,
    "h": 250.5
  },
  "luminance": 0.18402
}

Semantic roles & 50–950 ramp

primary
#537AA3
secondary
#BCA995
accent
#955FC9
background
#F8F9FB
surface
#F0F2F6
border
#CBCCD0
text
#0C0E12
muted
#7D7E81

Preview Lab

Preview with #537AA3

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

Preview Lab → · Contrast checker → · Palette generator →

#537AA3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva