#436BB7#436BB7

#436BB7 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.6% C 0.128 H 262.0°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#436BB7
RGB	rgb(67, 107, 183)
HSL	hsl(219, 46%, 49%)
HSV	hsv(219, 63%, 72%)
CMYK	cmyk(63.4%, 41.5%, 0%, 28.2%)
CIE-LAB	lab(45.81, 10.34, -44.44)
CIE-LCH	lch(45.81, 45.63, 283.10°)
OKLab	oklab(53.61% -0.0177 -0.1266)
OKLCH	oklch(53.61% 0.128 262)
XYZ	xyz(16.1167, 15.1261, 46.8609)
Luminance	0.1513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BB7 #B78F43

analogous

#43A5B7 #436BB7 #5543B7

triadic

#436BB7 #B7436B #6BB743

tetradic

#436BB7 #B743A5 #B78F43 #43B755

square

#436BB7 #B743A5 #B78F43 #43B755

split-complementary

#436BB7 #B75543 #A5B743

monochromatic

#22375D #33518A #436BB7 #6D8DCA #9AB0DA

Accessibility & contrast

On white

5.22

#436BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#436BB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BB7

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BB7	#FFFFFF	#000000	##FFFFFF
##436BB7	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4972BA

Deuteranopia (green-blind)

#3868B5

Tritanopia (blue-blind)

#007C88

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #436bb7;
/* rgb */ color: rgb(67, 107, 183);
/* oklch */ color: oklch(53.6% 0.128 262.0);

Tailwind

colors: {
  custom: {
    50: '#8294cd',
    500: '#436bb7',
    950: '#000000',
  },
}

SCSS

$custom: #436bb7;
$custom-light: #8294cd;
$custom-dark: #000000;

JSON

{
  "hex": "#436bb7",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 183
  },
  "hsl": {
    "h": 219.31,
    "s": 46.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.53612,
    "c": 0.12779,
    "h": 262
  },
  "luminance": 0.15128
}

Semantic roles & 50–950 ramp

primary

#436BB7

secondary

#C6B390

accent

#A852D6

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436BB7

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

Preview Lab → · Contrast checker → · Palette generator →