#436BC4#436BC4

#436BC4 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.4% C 0.146 H 264.0°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#436BC4
RGB	rgb(67, 107, 196)
HSL	hsl(221, 52%, 52%)
HSV	hsv(221, 66%, 77%)
CMYK	cmyk(65.8%, 45.4%, 0%, 23.1%)
CIE-LAB	lab(46.57, 14.93, -50.74)
CIE-LCH	lch(46.57, 52.90, 286.40°)
OKLab	oklab(54.45% -0.0153 -0.1451)
OKLCH	oklch(54.45% 0.146 264)
XYZ	xyz(17.5328, 15.6925, 54.3188)
Luminance	0.1569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BC4 #C49C43

analogous

#43ACC4 #436BC4 #5C43C4

triadic

#436BC4 #C4436B #6BC443

tetradic

#436BC4 #C443AC #C49C43 #43C45C

square

#436BC4 #C443AC #C49C43 #43C45C

split-complementary

#436BC4 #C45C43 #ACC443

monochromatic

#22386B #30519A #436BC4 #7290D3 #A0B4E1

Accessibility & contrast

On white

5.07

#436BC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#436BC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BC4

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BC4	#FFFFFF	#000000	##FFFFFF
##436BC4	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F75C7

Deuteranopia (green-blind)

#2869C2

Tritanopia (blue-blind)

#007F8E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436bc4;
/* rgb */ color: rgb(67, 107, 196);
/* oklch */ color: oklch(54.4% 0.146 264.0);

Tailwind

colors: {
  custom: {
    50: '#8494d6',
    500: '#436bc4',
    950: '#000000',
  },
}

SCSS

$custom: #436bc4;
$custom-light: #8494d6;
$custom-dark: #000000;

JSON

{
  "hex": "#436bc4",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 196
  },
  "hsl": {
    "h": 221.395,
    "s": 52.227,
    "l": 51.569
  },
  "oklch": {
    "l": 0.54445,
    "c": 0.14588,
    "h": 264
  },
  "luminance": 0.15694
}

Semantic roles & 50–950 ramp

primary

#436BC4

secondary

#CEBC95

accent

#AF4CDC

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436BC4

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

Preview Lab → · Contrast checker → · Palette generator →