#436BD1#436BD1

#436BD1 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.3% C 0.164 H 265.3°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#436BD1
RGB	rgb(67, 107, 209)
HSL	hsl(223, 61%, 54%)
HSV	hsv(223, 68%, 82%)
CMYK	cmyk(67.9%, 48.8%, 0%, 18%)
CIE-LAB	lab(47.38, 19.56, -56.90)
CIE-LCH	lch(47.38, 60.17, 288.97°)
OKLab	oklab(55.33% -0.0134 -0.1632)
OKLCH	oklch(55.33% 0.164 265.3)
XYZ	xyz(19.0770, 16.3102, 62.4521)
Luminance	0.1631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BD1 #D1A943

analogous

#43B2D1 #436BD1 #6243D1

triadic

#436BD1 #D1436B #6BD143

tetradic

#436BD1 #D143B2 #D1A943 #43D162

square

#436BD1 #D143B2 #D1A943 #43D162

split-complementary

#436BD1 #D16243 #B2D143

monochromatic

#1E387B #2A4FAD #436BD1 #7492DD #A5B8E9

Accessibility & contrast

On white

4.93

#436BD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#436BD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BD1

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BD1	#FFFFFF	#000000	##FFFFFF
##436BD1	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3377D5

Deuteranopia (green-blind)

#066ACF

Tritanopia (blue-blind)

#008394

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #436bd1;
/* rgb */ color: rgb(67, 107, 209);
/* oklch */ color: oklch(55.3% 0.164 265.3);

Tailwind

colors: {
  custom: {
    50: '#8794e0',
    500: '#436bd1',
    950: '#000000',
  },
}

SCSS

$custom: #436bd1;
$custom-light: #8794e0;
$custom-dark: #000000;

JSON

{
  "hex": "#436bd1",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 209
  },
  "hsl": {
    "h": 223.099,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55326,
    "c": 0.16373,
    "h": 265.3
  },
  "luminance": 0.16312
}

Semantic roles & 50–950 ramp

primary

#436BD1

secondary

#D6C59A

accent

#B744E4

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436BD1

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

Preview Lab → · Contrast checker → · Palette generator →