#436ED4#436ED4

#436ED4 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.2% C 0.164 H 264.5°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#436ED4
RGB	rgb(67, 110, 212)
HSL	hsl(222, 63%, 55%)
HSV	hsv(222, 68%, 83%)
CMYK	cmyk(68.4%, 48.1%, 0%, 16.9%)
CIE-LAB	lab(48.38, 18.75, -56.99)
CIE-LCH	lch(48.38, 60.00, 288.21°)
OKLab	oklab(56.15% -0.0157 -0.1634)
OKLCH	oklch(56.15% 0.164 264.5)
XYZ	xyz(19.7702, 17.0966, 64.5327)
Luminance	0.1710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436ED4 #D4A943

analogous

#43B7D4 #436ED4 #6143D4

triadic

#436ED4 #D4436E #6ED443

tetradic

#436ED4 #D443B7 #D4A943 #43D461

square

#436ED4 #D443B7 #D4A943 #43D461

split-complementary

#436ED4 #D46143 #B7D443

monochromatic

#1D3A7F #2951B1 #436ED4 #7594DF #A7BBEB

Accessibility & contrast

On white

4.75

#436ED4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#436ED4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436ED4

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436ED4	#FFFFFF	#000000	##FFFFFF
##436ED4	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#377AD8

Deuteranopia (green-blind)

#0F6DD2

Tritanopia (blue-blind)

#008697

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #436ed4;
/* rgb */ color: rgb(67, 110, 212);
/* oklch */ color: oklch(56.2% 0.164 264.5);

Tailwind

colors: {
  custom: {
    50: '#8797e2',
    500: '#436ed4',
    950: '#000000',
  },
}

SCSS

$custom: #436ed4;
$custom-light: #8797e2;
$custom-dark: #000000;

JSON

{
  "hex": "#436ed4",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 212
  },
  "hsl": {
    "h": 222.207,
    "s": 62.771,
    "l": 54.706
  },
  "oklch": {
    "l": 0.56152,
    "c": 0.16417,
    "h": 264.5
  },
  "luminance": 0.17099
}

Semantic roles & 50–950 ramp

primary

#436ED4

secondary

#D8C69B

accent

#B542E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0D15

muted

#7D7E83

Preview Lab

Preview with #436ED4

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

Preview Lab → · Contrast checker → · Palette generator →