#537FB5#537FB5

#537FB5 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.8% C 0.097 H 254.2°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX#537FB5
RGBrgb(83, 127, 181)
HSLhsl(213, 40%, 52%)
HSVhsv(213, 54%, 71%)
CMYKcmyk(54.1%, 29.8%, 0%, 29%)
CIE-LABlab(52.23, 0.76, -33.09)
CIE-LCHlch(52.23, 33.09, 271.31°)
OKLaboklab(58.8% -0.0263 -0.093)
OKLCHoklch(58.8% 0.097 254.2)
XYZxyz(19.4942, 20.3524, 46.6082)
Luminance0.2035 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#537FB5 #B58953
analogous
#53B0B5 #537FB5 #5853B5
triadic
#537FB5 #B5537F #7FB553
tetradic
#537FB5 #B553B0 #B58953 #53B558
square
#537FB5 #B553B0 #B58953 #53B558
split-complementary
#537FB5 #B55853 #B0B553
monochromatic
#2B4463 #3D618E #537FB5 #7E9FC7 #A9BFDA

Accessibility & contrast

On white

4.14
#537FB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.07
#537FB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FB5
5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##537FB5#FFFFFF#000000##000000
##537FB51.004.145.075.07
#FFFFFF4.141.0021.0021.00
#0000005.0721.001.001.00
##0000005.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6982B7
Deuteranopia (green-blind)
#5D78B4
Tritanopia (blue-blind)
#198B92
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #537fb5;
/* rgb */ color: rgb(83, 127, 181);
/* oklch */ color: oklch(58.8% 0.097 254.2);
Tailwind
colors: {
  custom: {
    50: '#8aa3cb',
    500: '#537fb5',
    950: '#000000',
  },
}
SCSS
$custom: #537fb5;
$custom-light: #8aa3cb;
$custom-dark: #000000;
JSON
{
  "hex": "#537fb5",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 181
  },
  "hsl": {
    "h": 213.061,
    "s": 39.837,
    "l": 51.765
  },
  "oklch": {
    "l": 0.58796,
    "c": 0.09663,
    "h": 254.2
  },
  "luminance": 0.20354
}

Semantic roles & 50–950 ramp

primary
#537FB5
secondary
#C7B49C
accent
#9A58D0
background
#F8FAFC
surface
#F0F3F8
border
#CBCDD1
text
#0C0F13
muted
#7D7F82

Preview Lab

Preview with #537FB5

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

Preview Lab → · Contrast checker → · Palette generator →

#537FB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva