#436CBD#436CBD

#436CBD is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.2% C 0.135 H 262.5°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#436CBD
RGB	rgb(67, 108, 189)
HSL	hsl(220, 48%, 50%)
HSV	hsv(220, 65%, 74%)
CMYK	cmyk(64.6%, 42.9%, 0%, 25.9%)
CIE-LAB	lab(46.43, 11.83, -46.92)
CIE-LCH	lch(46.43, 48.39, 284.15°)
OKLab	oklab(54.21% -0.0175 -0.1338)
OKLCH	oklch(54.21% 0.135 262.5)
XYZ	xyz(16.8594, 15.5910, 50.2551)
Luminance	0.1559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436CBD #BD9443

analogous

#43A9BD #436CBD #5743BD

triadic

#436CBD #BD436C #6CBD43

tetradic

#436CBD #BD43A9 #BD9443 #43BD57

square

#436CBD #BD43A9 #BD9443 #43BD57

split-complementary

#436CBD #BD5743 #A9BD43

monochromatic

#233863 #335290 #436CBD #708FCD #9EB3DD

Accessibility & contrast

On white

5.10

#436CBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#436CBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436CBD

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436CBD	#FFFFFF	#000000	##FFFFFF
##436CBD	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4774C0

Deuteranopia (green-blind)

#3369BB

Tritanopia (blue-blind)

#007E8B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436cbd;
/* rgb */ color: rgb(67, 108, 189);
/* oklch */ color: oklch(54.2% 0.135 262.5);

Tailwind

colors: {
  custom: {
    50: '#8395d1',
    500: '#436cbd',
    950: '#000000',
  },
}

SCSS

$custom: #436cbd;
$custom-light: #8395d1;
$custom-dark: #000000;

JSON

{
  "hex": "#436cbd",
  "rgb": {
    "r": 67,
    "g": 108,
    "b": 189
  },
  "hsl": {
    "h": 219.836,
    "s": 48.031,
    "l": 50.196
  },
  "oklch": {
    "l": 0.54207,
    "c": 0.13496,
    "h": 262.5
  },
  "luminance": 0.15593
}

Semantic roles & 50–950 ramp

primary

#436CBD

secondary

#C9B793

accent

#AA50D8

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #436CBD

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

Preview Lab → · Contrast checker → · Palette generator →