#436ED1#436ED1

#436ED1 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.9% C 0.160 H 264.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#436ED1
RGB	rgb(67, 110, 209)
HSL	hsl(222, 61%, 54%)
HSV	hsv(222, 68%, 82%)
CMYK	cmyk(67.9%, 47.4%, 0%, 18%)
CIE-LAB	lab(48.19, 17.67, -55.59)
CIE-LCH	lch(48.19, 58.33, 287.64°)
OKLab	oklab(55.95% -0.0161 -0.1593)
OKLCH	oklch(55.95% 0.16 264.2)
XYZ	xyz(19.3953, 16.9467, 62.5581)
Luminance	0.1695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436ED1 #D1A643

analogous

#43B5D1 #436ED1 #5F43D1

triadic

#436ED1 #D1436E #6ED143

tetradic

#436ED1 #D143B5 #D1A643 #43D15F

square

#436ED1 #D143B5 #D1A643 #43D15F

split-complementary

#436ED1 #D15F43 #B5D143

monochromatic

#1E3A7B #2A52AD #436ED1 #7494DD #A5BAE9

Accessibility & contrast

On white

4.78

#436ED1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#436ED1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436ED1

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436ED1	#FFFFFF	#000000	##FFFFFF
##436ED1	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A79D5

Deuteranopia (green-blind)

#196CCF

Tritanopia (blue-blind)

#008595

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #436ed1;
/* rgb */ color: rgb(67, 110, 209);
/* oklch */ color: oklch(55.9% 0.160 264.2);

Tailwind

colors: {
  custom: {
    50: '#8797e0',
    500: '#436ed1',
    950: '#000000',
  },
}

SCSS

$custom: #436ed1;
$custom-light: #8797e0;
$custom-dark: #000000;

JSON

{
  "hex": "#436ed1",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 209
  },
  "hsl": {
    "h": 221.831,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55947,
    "c": 0.16009,
    "h": 264.2
  },
  "luminance": 0.16949
}

Semantic roles & 50–950 ramp

primary

#436ED1

secondary

#D6C49A

accent

#B344E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436ED1

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

Preview Lab → · Contrast checker → · Palette generator →