#436DB9#436DB9

#436DB9 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.2% C 0.128 H 261.3°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#436DB9
RGB	rgb(67, 109, 185)
HSL	hsl(219, 47%, 49%)
HSV	hsv(219, 64%, 73%)
CMYK	cmyk(63.8%, 41.1%, 0%, 27.5%)
CIE-LAB	lab(46.49, 9.79, -44.51)
CIE-LCH	lch(46.49, 45.58, 282.40°)
OKLab	oklab(54.18% -0.0193 -0.1268)
OKLCH	oklch(54.18% 0.128 261.3)
XYZ	xyz(16.5373, 15.6318, 48.0353)
Luminance	0.1563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436DB9 #B98F43

analogous

#43A8B9 #436DB9 #5443B9

triadic

#436DB9 #B9436D #6DB943

tetradic

#436DB9 #B943A8 #B98F43 #43B954

square

#436DB9 #B943A8 #B98F43 #43B954

split-complementary

#436DB9 #B95443 #A8B943

monochromatic

#22385F #33538C #436DB9 #6F8FCB #9BB2DB

Accessibility & contrast

On white

5.09

#436DB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#436DB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436DB9

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436DB9	#FFFFFF	#000000	##FFFFFF
##436DB9	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B74BC

Deuteranopia (green-blind)

#3A69B7

Tritanopia (blue-blind)

#007E8A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436db9;
/* rgb */ color: rgb(67, 109, 185);
/* oklch */ color: oklch(54.2% 0.128 261.3);

Tailwind

colors: {
  custom: {
    50: '#8296ce',
    500: '#436db9',
    950: '#000000',
  },
}

SCSS

$custom: #436db9;
$custom-light: #8296ce;
$custom-dark: #000000;

JSON

{
  "hex": "#436db9",
  "rgb": {
    "r": 67,
    "g": 109,
    "b": 185
  },
  "hsl": {
    "h": 218.644,
    "s": 46.825,
    "l": 49.412
  },
  "oklch": {
    "l": 0.54175,
    "c": 0.12823,
    "h": 261.3
  },
  "luminance": 0.15633
}

Semantic roles & 50–950 ramp

primary

#436DB9

secondary

#C7B491

accent

#A751D6

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #436DB9

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

Preview Lab → · Contrast checker → · Palette generator →