#436DB8#436DB8

#436DB8 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.1% C 0.127 H 261.1°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#436DB8
RGB	rgb(67, 109, 184)
HSL	hsl(218, 47%, 49%)
HSV	hsv(218, 64%, 72%)
CMYK	cmyk(63.6%, 40.8%, 0%, 27.8%)
CIE-LAB	lab(46.43, 9.44, -44.02)
CIE-LCH	lch(46.43, 45.02, 282.10°)
OKLab	oklab(54.11% -0.0196 -0.1253)
OKLCH	oklch(54.11% 0.127 261.1)
XYZ	xyz(16.4321, 15.5897, 47.4813)
Luminance	0.1559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436DB8 #B88E43

analogous

#43A8B8 #436DB8 #5443B8

triadic

#436DB8 #B8436D #6DB843

tetradic

#436DB8 #B843A8 #B88E43 #43B854

square

#436DB8 #B843A8 #B88E43 #43B854

split-complementary

#436DB8 #B85443 #A8B843

monochromatic

#22385E #33528B #436DB8 #6E8FCA #9BB2DB

Accessibility & contrast

On white

5.10

#436DB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#436DB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436DB8

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436DB8	#FFFFFF	#000000	##FFFFFF
##436DB8	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C74BB

Deuteranopia (green-blind)

#3A69B6

Tritanopia (blue-blind)

#007E89

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436db8;
/* rgb */ color: rgb(67, 109, 184);
/* oklch */ color: oklch(54.1% 0.127 261.1);

Tailwind

colors: {
  custom: {
    50: '#8296ce',
    500: '#436db8',
    950: '#000000',
  },
}

SCSS

$custom: #436db8;
$custom-light: #8296ce;
$custom-dark: #000000;

JSON

{
  "hex": "#436db8",
  "rgb": {
    "r": 67,
    "g": 109,
    "b": 184
  },
  "hsl": {
    "h": 218.462,
    "s": 46.614,
    "l": 49.216
  },
  "oklch": {
    "l": 0.54114,
    "c": 0.12684,
    "h": 261.1
  },
  "luminance": 0.15591
}

Semantic roles & 50–950 ramp

primary

#436DB8

secondary

#C7B390

accent

#A752D6

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436DB8

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

Preview Lab → · Contrast checker → · Palette generator →