#436ED5#436ED5

#436ED5 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.2% C 0.166 H 264.6°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#436ED5
RGB	rgb(67, 110, 213)
HSL	hsl(222, 63%, 55%)
HSV	hsv(222, 69%, 84%)
CMYK	cmyk(68.5%, 48.4%, 0%, 16.5%)
CIE-LAB	lab(48.45, 19.10, -57.46)
CIE-LCH	lch(48.45, 60.55, 288.39°)
OKLab	oklab(56.22% -0.0156 -0.1648)
OKLCH	oklch(56.22% 0.166 264.6)
XYZ	xyz(19.8967, 17.1472, 65.1991)
Luminance	0.1715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436ED5 #D5AA43

analogous

#43B7D5 #436ED5 #6143D5

triadic

#436ED5 #D5436E #6ED543

tetradic

#436ED5 #D543B7 #D5AA43 #43D561

square

#436ED5 #D543B7 #D5AA43 #43D561

split-complementary

#436ED5 #D56143 #B7D543

monochromatic

#1D3A81 #2851B3 #436ED5 #7595E0 #A7BBEB

Accessibility & contrast

On white

4.74

#436ED5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#436ED5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436ED5

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436ED5	#FFFFFF	#000000	##FFFFFF
##436ED5	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#367AD9

Deuteranopia (green-blind)

#0A6DD3

Tritanopia (blue-blind)

#008697

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #436ed5;
/* rgb */ color: rgb(67, 110, 213);
/* oklch */ color: oklch(56.2% 0.166 264.6);

Tailwind

colors: {
  custom: {
    50: '#8797e2',
    500: '#436ed5',
    950: '#000000',
  },
}

SCSS

$custom: #436ed5;
$custom-light: #8797e2;
$custom-dark: #000000;

JSON

{
  "hex": "#436ed5",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 213
  },
  "hsl": {
    "h": 222.329,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.56221,
    "c": 0.16552,
    "h": 264.6
  },
  "luminance": 0.17149
}

Semantic roles & 50–950 ramp

primary

#436ED5

secondary

#D9C79B

accent

#B641E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0D15

muted

#7D7E83

Preview Lab

Preview with #436ED5

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

Preview Lab → · Contrast checker → · Palette generator →