#536EB8#536EB8

#536EB8 is a mid, moderate blue. Relative luminance 0.165; OKLCH L 55.2% C 0.120 H 267.3°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX#536EB8
RGBrgb(83, 110, 184)
HSLhsl(224, 42%, 52%)
HSVhsv(224, 55%, 72%)
CMYKcmyk(54.9%, 40.2%, 0%, 27.8%)
CIE-LABlab(47.56, 12.06, -42.18)
CIE-LCHlch(47.56, 43.87, 285.95°)
OKLaboklab(55.21% -0.0056 -0.1196)
OKLCHoklch(55.21% 0.12 267.3)
XYZxyz(17.7921, 16.4502, 47.5758)
Luminance0.1645 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#536EB8 #B89D53
analogous
#53A1B8 #536EB8 #6A53B8
triadic
#536EB8 #B8536E #6EB853
tetradic
#536EB8 #B853A1 #B89D53 #53B86A
square
#536EB8 #B853A1 #B89D53 #53B86A
split-complementary
#536EB8 #B86A53 #A1B853
monochromatic
#2A3A66 #3C5392 #536EB8 #7E93CA #AAB7DC

Accessibility & contrast

On white

4.89
#536EB8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.29
#536EB8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536EB8
4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##536EB8#FFFFFF#000000##FFFFFF
##536EB81.004.894.294.89
#FFFFFF4.891.0021.001.00
#0000004.2921.001.0021.00
##FFFFFF4.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F76BB
Deuteranopia (green-blind)
#436DB6
Tritanopia (blue-blind)
#1B7E8A
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #536eb8;
/* rgb */ color: rgb(83, 110, 184);
/* oklch */ color: oklch(55.2% 0.120 267.3);
Tailwind
colors: {
  custom: {
    50: '#8a97ce',
    500: '#536eb8',
    950: '#000000',
  },
}
SCSS
$custom: #536eb8;
$custom-light: #8a97ce;
$custom-dark: #000000;
JSON
{
  "hex": "#536eb8",
  "rgb": {
    "r": 83,
    "g": 110,
    "b": 184
  },
  "hsl": {
    "h": 223.96,
    "s": 41.564,
    "l": 52.353
  },
  "oklch": {
    "l": 0.55212,
    "c": 0.11973,
    "h": 267.3
  },
  "luminance": 0.16452
}

Semantic roles & 50–950 ramp

primary
#536EB8
secondary
#C9BE9D
accent
#B156D1
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0D13
muted
#7D7E82

Preview Lab

Preview with #536EB8

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

Preview Lab → · Contrast checker → · Palette generator →

#536EB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva