#436ABC#436ABC

#436ABC is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.7% C 0.136 H 263.4°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX#436ABC
RGBrgb(67, 106, 188)
HSLhsl(221, 47%, 50%)
HSVhsv(221, 64%, 74%)
CMYKcmyk(64.4%, 43.6%, 0%, 26.3%)
CIE-LABlab(45.81, 12.73, -47.33)
CIE-LCHlch(45.81, 49.01, 285.05°)
OKLaboklab(53.71% -0.0157 -0.1351)
OKLCHoklch(53.71% 0.136 263.4)
XYZxyz(16.5427, 15.1307, 49.6159)
Luminance0.1513 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#436ABC #BC9543
analogous
#43A7BC #436ABC #5843BC
triadic
#436ABC #BC436A #6ABC43
tetradic
#436ABC #BC43A7 #BC9543 #43BC58
square
#436ABC #BC43A7 #BC9543 #43BC58
split-complementary
#436ABC #BC5843 #A7BC43
monochromatic
#233762 #33518F #436ABC #708ECC #9DB2DC

Accessibility & contrast

On white

5.22
#436ABC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.03
#436ABC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436ABC
5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##436ABC#FFFFFF#000000##FFFFFF
##436ABC1.005.224.035.22
#FFFFFF5.221.0021.001.00
#0000004.0321.001.0021.00
##FFFFFF5.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4472BF
Deuteranopia (green-blind)
#3067BA
Tritanopia (blue-blind)
#007D8A
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #436abc;
/* rgb */ color: rgb(67, 106, 188);
/* oklch */ color: oklch(53.7% 0.136 263.4);
Tailwind
colors: {
  custom: {
    50: '#8394d1',
    500: '#436abc',
    950: '#000000',
  },
}
SCSS
$custom: #436abc;
$custom-light: #8394d1;
$custom-dark: #000000;
JSON
{
  "hex": "#436abc",
  "rgb": {
    "r": 67,
    "g": 106,
    "b": 188
  },
  "hsl": {
    "h": 220.661,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.5371,
    "c": 0.13597,
    "h": 263.4
  },
  "luminance": 0.15132
}

Semantic roles & 50–950 ramp

primary
#436ABC
secondary
#C9B792
accent
#AC51D7
background
#F8F9FC
surface
#F0F1F9
border
#CBCBD2
text
#0C0D14
muted
#7D7E82

Preview Lab

Preview with #436ABC

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

Preview Lab → · Contrast checker → · Palette generator →

#436ABC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva