#436FC4#436FC4

#436FC4 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.3% C 0.141 H 262.2°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#436FC4
RGB	rgb(67, 111, 196)
HSL	hsl(220, 52%, 52%)
HSV	hsv(220, 66%, 77%)
CMYK	cmyk(65.8%, 43.4%, 0%, 23.1%)
CIE-LAB	lab(47.68, 12.42, -48.96)
CIE-LCH	lch(47.68, 50.51, 284.24°)
OKLab	oklab(55.3% -0.0192 -0.1398)
OKLCH	oklch(55.3% 0.141 262.2)
XYZ	xyz(17.9595, 16.5460, 54.4611)
Luminance	0.1655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FC4 #C49843

analogous

#43B0C4 #436FC4 #5843C4

triadic

#436FC4 #C4436F #6FC443

tetradic

#436FC4 #C443B0 #C49843 #43C458

square

#436FC4 #C443B0 #C49843 #43C458

split-complementary

#436FC4 #C45843 #B0C443

monochromatic

#223B6B #30549A #436FC4 #7293D3 #A0B6E1

Accessibility & contrast

On white

4.87

#436FC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#436FC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436FC4

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FC4	#FFFFFF	#000000	##FFFFFF
##436FC4	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4778C7

Deuteranopia (green-blind)

#326CC2

Tritanopia (blue-blind)

#008290

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #436fc4;
/* rgb */ color: rgb(67, 111, 196);
/* oklch */ color: oklch(55.3% 0.141 262.2);

Tailwind

colors: {
  custom: {
    50: '#8497d6',
    500: '#436fc4',
    950: '#000000',
  },
}

SCSS

$custom: #436fc4;
$custom-light: #8497d6;
$custom-dark: #000000;

JSON

{
  "hex": "#436fc4",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 196
  },
  "hsl": {
    "h": 219.535,
    "s": 52.227,
    "l": 51.569
  },
  "oklch": {
    "l": 0.55302,
    "c": 0.14109,
    "h": 262.2
  },
  "luminance": 0.16548
}

Semantic roles & 50–950 ramp

primary

#436FC4

secondary

#CEBA95

accent

#AB4CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436FC4

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

Preview Lab → · Contrast checker → · Palette generator →