#537EA8#537EA8

#537EA8 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.9% C 0.081 H 248.8°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX#537EA8
RGBrgb(83, 126, 168)
HSLhsl(210, 34%, 49%)
HSVhsv(210, 51%, 66%)
CMYKcmyk(50.6%, 25%, 0%, 34.1%)
CIE-LABlab(51.37, -2.74, -26.93)
CIE-LCHlch(51.37, 27.07, 264.18°)
OKLaboklab(57.93% -0.0292 -0.0752)
OKLCHoklch(57.93% 0.081 248.8)
XYZxyz(18.0936, 19.5865, 39.8653)
Luminance0.1959 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#537EA8 #A87D53
analogous
#53A8A8 #537EA8 #5354A8
triadic
#537EA8 #A8537E #7EA853
tetradic
#537EA8 #A853A8 #A87D53 #54A853
square
#537EA8 #A853A8 #A87D53 #54A853
split-complementary
#537EA8 #A85354 #A8A853
monochromatic
#2B4156 #3F5F7F #537EA8 #7B9CBE #A4BBD2

Accessibility & contrast

On white

4.27
#537EA8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.92
#537EA8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EA8
4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##537EA8#FFFFFF#000000##000000
##537EA81.004.274.924.92
#FFFFFF4.271.0021.0021.00
#0000004.9221.001.001.00
##0000004.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D7FAA
Deuteranopia (green-blind)
#6277A7
Tritanopia (blue-blind)
#29888C
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #537ea8;
/* rgb */ color: rgb(83, 126, 168);
/* oklch */ color: oklch(57.9% 0.081 248.8);
Tailwind
colors: {
  custom: {
    50: '#88a3c2',
    500: '#537ea8',
    950: '#000000',
  },
}
SCSS
$custom: #537ea8;
$custom-light: #88a3c2;
$custom-dark: #000000;
JSON
{
  "hex": "#537ea8",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 168
  },
  "hsl": {
    "h": 209.647,
    "s": 33.865,
    "l": 49.216
  },
  "oklch": {
    "l": 0.57925,
    "c": 0.08069,
    "h": 248.8
  },
  "luminance": 0.19588
}

Semantic roles & 50–950 ramp

primary
#537EA8
secondary
#BFAB98
accent
#935ECA
background
#F8FAFB
surface
#F0F3F7
border
#CBCDD0
text
#0C0F12
muted
#7D7F81

Preview Lab

Preview with #537EA8

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

Preview Lab → · Contrast checker → · Palette generator →

#537EA8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva