#436FB2#436FB2

#436FB2 is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.2% C 0.116 H 258.6°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#436FB2
RGB	rgb(67, 111, 178)
HSL	hsl(216, 45%, 48%)
HSV	hsv(216, 62%, 70%)
CMYK	cmyk(62.4%, 37.6%, 0%, 30.2%)
CIE-LAB	lab(46.68, 6.10, -40.15)
CIE-LCH	lch(46.68, 40.61, 278.64°)
OKLab	oklab(54.2% -0.023 -0.1139)
OKLCH	oklch(54.2% 0.116 258.6)
XYZ	xyz(16.0322, 15.7751, 44.3109)
Luminance	0.1578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FB2 #B28643

analogous

#43A6B2 #436FB2 #4E43B2

triadic

#436FB2 #B2436F #6FB243

tetradic

#436FB2 #B243A6 #B28643 #43B24E

square

#436FB2 #B243A6 #B28643 #43B24E

split-complementary

#436FB2 #B24E43 #A6B243

monochromatic

#223859 #325386 #436FB2 #6B90C7 #97B1D8

Accessibility & contrast

On white

5.05

#436FB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#436FB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436FB2

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FB2	#FFFFFF	#000000	##FFFFFF
##436FB2	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5274B5

Deuteranopia (green-blind)

#436AB1

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #436fb2;
/* rgb */ color: rgb(67, 111, 178);
/* oklch */ color: oklch(54.2% 0.116 258.6);

Tailwind

colors: {
  custom: {
    50: '#8197c9',
    500: '#436fb2',
    950: '#000000',
  },
}

SCSS

$custom: #436fb2;
$custom-light: #8197c9;
$custom-dark: #000000;

JSON

{
  "hex": "#436fb2",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 178
  },
  "hsl": {
    "h": 216.216,
    "s": 45.306,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54198,
    "c": 0.11624,
    "h": 258.6
  },
  "luminance": 0.15777
}

Semantic roles & 50–950 ramp

primary

#436FB2

secondary

#C4AE8D

accent

#A153D5

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436FB2

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

Preview Lab → · Contrast checker → · Palette generator →