#436BB4#436BB4

#436BB4 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.4% C 0.124 H 261.5°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#436BB4
RGB	rgb(67, 107, 180)
HSL	hsl(219, 46%, 48%)
HSV	hsv(219, 63%, 71%)
CMYK	cmyk(62.8%, 40.6%, 0%, 29.4%)
CIE-LAB	lab(45.64, 9.29, -42.96)
CIE-LCH	lch(45.64, 43.95, 282.20°)
OKLab	oklab(53.43% -0.0183 -0.1222)
OKLCH	oklch(53.43% 0.124 261.5)
XYZ	xyz(15.8078, 15.0025, 45.2339)
Luminance	0.1500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BB4 #B48C43

analogous

#43A3B4 #436BB4 #5343B4

triadic

#436BB4 #B4436B #6BB443

tetradic

#436BB4 #B443A3 #B48C43 #43B453

square

#436BB4 #B443A3 #B48C43 #43B453

split-complementary

#436BB4 #B45343 #A3B443

monochromatic

#22365B #325087 #436BB4 #6C8DC8 #99AFD9

Accessibility & contrast

On white

5.25

#436BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#436BB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BB4

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BB4	#FFFFFF	#000000	##FFFFFF
##436BB4	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B72B7

Deuteranopia (green-blind)

#3B67B2

Tritanopia (blue-blind)

#007C87

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #436bb4;
/* rgb */ color: rgb(67, 107, 180);
/* oklch */ color: oklch(53.4% 0.124 261.5);

Tailwind

colors: {
  custom: {
    50: '#8294cb',
    500: '#436bb4',
    950: '#000000',
  },
}

SCSS

$custom: #436bb4;
$custom-light: #8294cb;
$custom-dark: #000000;

JSON

{
  "hex": "#436bb4",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 180
  },
  "hsl": {
    "h": 218.761,
    "s": 45.749,
    "l": 48.431
  },
  "oklch": {
    "l": 0.53427,
    "c": 0.12359,
    "h": 261.5
  },
  "luminance": 0.15004
}

Semantic roles & 50–950 ramp

primary

#436BB4

secondary

#C5B18E

accent

#A752D5

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436BB4

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

Preview Lab → · Contrast checker → · Palette generator →