#436FB8#436FB8

#436FB8 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 54.6% C 0.125 H 260.0°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#436FB8
RGB	rgb(67, 111, 184)
HSL	hsl(217, 47%, 49%)
HSV	hsv(217, 64%, 72%)
CMYK	cmyk(63.6%, 39.7%, 0%, 27.8%)
CIE-LAB	lab(47.00, 8.19, -43.12)
CIE-LCH	lch(47.00, 43.89, 280.76°)
OKLab	oklab(54.56% -0.0216 -0.1226)
OKLCH	oklch(54.56% 0.125 260)
XYZ	xyz(16.6478, 16.0213, 47.5532)
Luminance	0.1602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FB8 #B88C43

analogous

#43AAB8 #436FB8 #5243B8

triadic

#436FB8 #B8436F #6FB843

tetradic

#436FB8 #B843AA #B88C43 #43B852

square

#436FB8 #B843AA #B88C43 #43B852

split-complementary

#436FB8 #B85243 #AAB843

monochromatic

#22395E #33548B #436FB8 #6E91CA #9BB3DB

Accessibility & contrast

On white

4.99

#436FB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#436FB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436FB8

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FB8	#FFFFFF	#000000	##FFFFFF
##436FB8	1.00	4.99	4.20	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F75BB

Deuteranopia (green-blind)

#3E6AB6

Tritanopia (blue-blind)

#00808A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #436fb8;
/* rgb */ color: rgb(67, 111, 184);
/* oklch */ color: oklch(54.6% 0.125 260.0);

Tailwind

colors: {
  custom: {
    50: '#8297ce',
    500: '#436fb8',
    950: '#000000',
  },
}

SCSS

$custom: #436fb8;
$custom-light: #8297ce;
$custom-dark: #000000;

JSON

{
  "hex": "#436fb8",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 184
  },
  "hsl": {
    "h": 217.436,
    "s": 46.614,
    "l": 49.216
  },
  "oklch": {
    "l": 0.54556,
    "c": 0.12453,
    "h": 260
  },
  "luminance": 0.16023
}

Semantic roles & 50–950 ramp

primary

#436FB8

secondary

#C7B290

accent

#A452D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436FB8

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

Preview Lab → · Contrast checker → · Palette generator →