#436FD4#436FD4

#436FD4 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.4% C 0.163 H 264.2°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#436FD4
RGB	rgb(67, 111, 212)
HSL	hsl(222, 63%, 55%)
HSV	hsv(222, 68%, 83%)
CMYK	cmyk(68.4%, 47.6%, 0%, 16.9%)
CIE-LAB	lab(48.65, 18.12, -56.56)
CIE-LCH	lch(48.65, 59.39, 287.76°)
OKLab	oklab(56.36% -0.0166 -0.1621)
OKLCH	oklch(56.36% 0.163 264.2)
XYZ	xyz(19.8787, 17.3136, 64.5688)
Luminance	0.1732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FD4 #D4A843

analogous

#43B8D4 #436FD4 #5F43D4

triadic

#436FD4 #D4436F #6FD443

tetradic

#436FD4 #D443B8 #D4A843 #43D45F

square

#436FD4 #D443B8 #D4A843 #43D45F

split-complementary

#436FD4 #D45F43 #B8D443

monochromatic

#1D3B7F #2952B1 #436FD4 #7595DF #A7BBEB

Accessibility & contrast

On white

4.71

#436FD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#436FD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436FD4

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FD4	#FFFFFF	#000000	##FFFFFF
##436FD4	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#397BD8

Deuteranopia (green-blind)

#156DD2

Tritanopia (blue-blind)

#008797

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #436fd4;
/* rgb */ color: rgb(67, 111, 212);
/* oklch */ color: oklch(56.4% 0.163 264.2);

Tailwind

colors: {
  custom: {
    50: '#8797e2',
    500: '#436fd4',
    950: '#000000',
  },
}

SCSS

$custom: #436fd4;
$custom-light: #8797e2;
$custom-dark: #000000;

JSON

{
  "hex": "#436fd4",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 212
  },
  "hsl": {
    "h": 221.793,
    "s": 62.771,
    "l": 54.706
  },
  "oklch": {
    "l": 0.5636,
    "c": 0.16297,
    "h": 264.2
  },
  "luminance": 0.17316
}

Semantic roles & 50–950 ramp

primary

#436FD4

secondary

#D8C59B

accent

#B442E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0D15

muted

#7D7E83

Preview Lab

Preview with #436FD4

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

Preview Lab → · Contrast checker → · Palette generator →