#536FCB#536FCB

#536FCB is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.6% C 0.145 H 268.7°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX#536FCB
RGBrgb(83, 111, 203)
HSLhsl(226, 54%, 56%)
HSVhsv(226, 59%, 80%)
CMYKcmyk(59.1%, 45.3%, 0%, 20.4%)
CIE-LABlab(48.91, 17.76, -50.97)
CIE-LCHlch(48.91, 53.98, 289.21°)
OKLaboklab(56.59% -0.0033 -0.1454)
OKLCHoklch(56.59% 0.145 268.7)
XYZxyz(20.0276, 17.5181, 58.8143)
Luminance0.1752 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#536FCB #CBAF53
analogous
#53ABCB #536FCB #7353CB
triadic
#536FCB #CB536F #6FCB53
tetradic
#536FCB #CB53AB #CBAF53 #53CB73
square
#536FCB #CB53AB #CBAF53 #53CB73
split-complementary
#536FCB #CB7353 #ABCB53
monochromatic
#263A7E #3450AD #536FCB #8296D9 #B1BEE7

Accessibility & contrast

On white

4.66
#536FCB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.50
#536FCB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #536FCB
4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##536FCB#FFFFFF#000000##FFFFFF
##536FCB1.004.664.504.66
#FFFFFF4.661.0021.001.00
#0000004.5021.001.0021.00
##FFFFFF4.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#447ACE
Deuteranopia (green-blind)
#326FC9
Tritanopia (blue-blind)
#008493
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #536fcb;
/* rgb */ color: rgb(83, 111, 203);
/* oklch */ color: oklch(56.6% 0.145 268.7);
Tailwind
colors: {
  custom: {
    50: '#8d97db',
    500: '#536fcb',
    950: '#000000',
  },
}
SCSS
$custom: #536fcb;
$custom-light: #8d97db;
$custom-dark: #000000;
JSON
{
  "hex": "#536fcb",
  "rgb": {
    "r": 83,
    "g": 111,
    "b": 203
  },
  "hsl": {
    "h": 226,
    "s": 53.571,
    "l": 56.078
  },
  "oklch": {
    "l": 0.56594,
    "c": 0.14542,
    "h": 268.7
  },
  "luminance": 0.1752
}

Semantic roles & 50–950 ramp

primary
#536FCB
secondary
#D6CAA4
accent
#BB4BDD
background
#F9F9FD
surface
#F1F2FB
border
#CBCCD4
text
#0D0D15
muted
#7E7E83

Preview Lab

Preview with #536FCB

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

Preview Lab → · Contrast checker → · Palette generator →

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