#436BC9#436BC9

#436BC9 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 54.8% C 0.153 H 264.6°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#436BC9
RGB	rgb(67, 107, 201)
HSL	hsl(222, 55%, 53%)
HSV	hsv(222, 67%, 79%)
CMYK	cmyk(66.7%, 46.8%, 0%, 21.2%)
CIE-LAB	lab(46.87, 16.71, -53.13)
CIE-LCH	lch(46.87, 55.70, 287.46°)
OKLab	oklab(54.78% -0.0145 -0.1521)
OKLCH	oklch(54.78% 0.153 264.6)
XYZ	xyz(18.1114, 15.9240, 57.3662)
Luminance	0.1593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BC9 #C9A143

analogous

#43AEC9 #436BC9 #5E43C9

triadic

#436BC9 #C9436B #6BC943

tetradic

#436BC9 #C943AE #C9A143 #43C95E

square

#436BC9 #C943AE #C9A143 #43C95E

split-complementary

#436BC9 #C95E43 #AEC943

monochromatic

#203971 #2E50A1 #436BC9 #7390D7 #A2B6E4

Accessibility & contrast

On white

5.02

#436BC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#436BC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BC9

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BC9	#FFFFFF	#000000	##FFFFFF
##436BC9	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B76CD

Deuteranopia (green-blind)

#1F69C7

Tritanopia (blue-blind)

#008190

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #436bc9;
/* rgb */ color: rgb(67, 107, 201);
/* oklch */ color: oklch(54.8% 0.153 264.6);

Tailwind

colors: {
  custom: {
    50: '#8594da',
    500: '#436bc9',
    950: '#000000',
  },
}

SCSS

$custom: #436bc9;
$custom-light: #8594da;
$custom-dark: #000000;

JSON

{
  "hex": "#436bc9",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 201
  },
  "hsl": {
    "h": 222.09,
    "s": 55.372,
    "l": 52.549
  },
  "oklch": {
    "l": 0.54779,
    "c": 0.15278,
    "h": 264.6
  },
  "luminance": 0.15926
}

Semantic roles & 50–950 ramp

primary

#436BC9

secondary

#D1C097

accent

#B249DF

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436BC9

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

Preview Lab → · Contrast checker → · Palette generator →