#436CB9#436CB9

#436CB9 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.0% C 0.129 H 261.9°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#436CB9
RGB	rgb(67, 108, 185)
HSL	hsl(219, 47%, 49%)
HSV	hsv(219, 64%, 73%)
CMYK	cmyk(63.8%, 41.6%, 0%, 27.5%)
CIE-LAB	lab(46.20, 10.42, -44.97)
CIE-LCH	lch(46.20, 46.16, 283.04°)
OKLab	oklab(53.96% -0.0183 -0.1281)
OKLCH	oklch(53.96% 0.129 261.9)
XYZ	xyz(16.4312, 15.4197, 47.9999)
Luminance	0.1542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436CB9 #B99043

analogous

#43A7B9 #436CB9 #5543B9

triadic

#436CB9 #B9436C #6CB943

tetradic

#436CB9 #B943A7 #B99043 #43B955

square

#436CB9 #B943A7 #B99043 #43B955

split-complementary

#436CB9 #B95543 #A7B943

monochromatic

#22385F #33528C #436CB9 #6F8FCB #9BB2DB

Accessibility & contrast

On white

5.14

#436CB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#436CB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436CB9

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436CB9	#FFFFFF	#000000	##FFFFFF
##436CB9	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4973BC

Deuteranopia (green-blind)

#3868B7

Tritanopia (blue-blind)

#007D89

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #436cb9;
/* rgb */ color: rgb(67, 108, 185);
/* oklch */ color: oklch(54.0% 0.129 261.9);

Tailwind

colors: {
  custom: {
    50: '#8295ce',
    500: '#436cb9',
    950: '#000000',
  },
}

SCSS

$custom: #436cb9;
$custom-light: #8295ce;
$custom-dark: #000000;

JSON

{
  "hex": "#436cb9",
  "rgb": {
    "r": 67,
    "g": 108,
    "b": 185
  },
  "hsl": {
    "h": 219.153,
    "s": 46.825,
    "l": 49.412
  },
  "oklch": {
    "l": 0.53956,
    "c": 0.1294,
    "h": 261.9
  },
  "luminance": 0.15421
}

Semantic roles & 50–950 ramp

primary

#436CB9

secondary

#C7B491

accent

#A851D6

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #436CB9

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

Preview Lab → · Contrast checker → · Palette generator →