#436EB4#436EB4

#436EB4 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.1% C 0.120 H 259.7°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#436EB4
RGB	rgb(67, 110, 180)
HSL	hsl(217, 46%, 48%)
HSV	hsv(217, 63%, 71%)
CMYK	cmyk(62.8%, 38.9%, 0%, 29.4%)
CIE-LAB	lab(46.50, 7.42, -41.60)
CIE-LCH	lch(46.50, 42.25, 280.11°)
OKLab	oklab(54.09% -0.0215 -0.1182)
OKLCH	oklch(54.09% 0.12 259.7)
XYZ	xyz(16.1260, 15.6390, 45.3400)
Luminance	0.1564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436EB4 #B48943

analogous

#43A6B4 #436EB4 #5043B4

triadic

#436EB4 #B4436E #6EB443

tetradic

#436EB4 #B443A6 #B48943 #43B450

square

#436EB4 #B443A6 #B48943 #43B450

split-complementary

#436EB4 #B45043 #A6B443

monochromatic

#22375B #325387 #436EB4 #6C8FC8 #99B1D9

Accessibility & contrast

On white

5.09

#436EB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#436EB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436EB4

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436EB4	#FFFFFF	#000000	##FFFFFF
##436EB4	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)

#4F74B7

Deuteranopia (green-blind)

#4069B3

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436eb4;
/* rgb */ color: rgb(67, 110, 180);
/* oklch */ color: oklch(54.1% 0.120 259.7);

Tailwind

colors: {
  custom: {
    50: '#8297cb',
    500: '#436eb4',
    950: '#000000',
  },
}

SCSS

$custom: #436eb4;
$custom-light: #8297cb;
$custom-dark: #000000;

JSON

{
  "hex": "#436eb4",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 180
  },
  "hsl": {
    "h": 217.168,
    "s": 45.749,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54093,
    "c": 0.12013,
    "h": 259.7
  },
  "luminance": 0.1564
}

Semantic roles & 50–950 ramp

primary

#436EB4

secondary

#C5B08E

accent

#A452D5

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436EB4

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

Preview Lab → · Contrast checker → · Palette generator →