#436BD4#436BD4

#436BD4 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.5% C 0.168 H 265.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#436BD4
RGB	rgb(67, 107, 212)
HSL	hsl(223, 63%, 55%)
HSV	hsv(223, 68%, 83%)
CMYK	cmyk(68.4%, 49.5%, 0%, 16.9%)
CIE-LAB	lab(47.57, 20.63, -58.30)
CIE-LCH	lch(47.57, 61.84, 289.49°)
OKLab	oklab(55.54% -0.013 -0.1673)
OKLCH	oklch(55.54% 0.168 265.5)
XYZ	xyz(19.4519, 16.4602, 64.4266)
Luminance	0.1646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BD4 #D4AC43

analogous

#43B4D4 #436BD4 #6343D4

triadic

#436BD4 #D4436B #6BD443

tetradic

#436BD4 #D443B4 #D4AC43 #43D463

square

#436BD4 #D443B4 #D4AC43 #43D463

split-complementary

#436BD4 #D46343 #B4D443

monochromatic

#1D387F #294EB1 #436BD4 #7592DF #A7B9EB

Accessibility & contrast

On white

4.89

#436BD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#436BD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BD4

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BD4	#FFFFFF	#000000	##FFFFFF
##436BD4	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F78D8

Deuteranopia (green-blind)

#006BD2

Tritanopia (blue-blind)

#008495

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #436bd4;
/* rgb */ color: rgb(67, 107, 212);
/* oklch */ color: oklch(55.5% 0.168 265.5);

Tailwind

colors: {
  custom: {
    50: '#8794e2',
    500: '#436bd4',
    950: '#000000',
  },
}

SCSS

$custom: #436bd4;
$custom-light: #8794e2;
$custom-dark: #000000;

JSON

{
  "hex": "#436bd4",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 212
  },
  "hsl": {
    "h": 223.448,
    "s": 62.771,
    "l": 54.706
  },
  "oklch": {
    "l": 0.55535,
    "c": 0.16781,
    "h": 265.5
  },
  "luminance": 0.16462
}

Semantic roles & 50–950 ramp

primary

#436BD4

secondary

#D8C79B

accent

#B942E6

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0D0D15

muted

#7D7E83

Preview Lab

Preview with #436BD4

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

Preview Lab → · Contrast checker → · Palette generator →