#436FCD#436FCD

#436FCD is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.9% C 0.153 H 263.4°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#436FCD
RGB	rgb(67, 111, 205)
HSL	hsl(221, 58%, 53%)
HSV	hsv(221, 67%, 80%)
CMYK	cmyk(67.3%, 45.9%, 0%, 19.6%)
CIE-LAB	lab(48.22, 15.62, -53.26)
CIE-LCH	lch(48.22, 55.50, 286.34°)
OKLab	oklab(55.89% -0.0176 -0.1524)
OKLCH	oklch(55.89% 0.153 263.4)
XYZ	xyz(19.0147, 16.9681, 60.0188)
Luminance	0.1697 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FCD #CDA143

analogous

#43B4CD #436FCD #5C43CD

triadic

#436FCD #CD436F #6FCD43

tetradic

#436FCD #CD43B4 #CDA143 #43CD5C

square

#436FCD #CD43B4 #CDA143 #43CD5C

split-complementary

#436FCD #CD5C43 #B4CD43

monochromatic

#1F3B76 #2C53A7 #436FCD #7394DA #A4B9E7

Accessibility & contrast

On white

4.78

#436FCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#436FCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436FCD

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FCD	#FFFFFF	#000000	##FFFFFF
##436FCD	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4079D1

Deuteranopia (green-blind)

#256DCB

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #436fcd;
/* rgb */ color: rgb(67, 111, 205);
/* oklch */ color: oklch(55.9% 0.153 263.4);

Tailwind

colors: {
  custom: {
    50: '#8697dd',
    500: '#436fcd',
    950: '#000000',
  },
}

SCSS

$custom: #436fcd;
$custom-light: #8697dd;
$custom-dark: #000000;

JSON

{
  "hex": "#436fcd",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 205
  },
  "hsl": {
    "h": 220.87,
    "s": 57.983,
    "l": 53.333
  },
  "oklch": {
    "l": 0.55889,
    "c": 0.15344,
    "h": 263.4
  },
  "luminance": 0.1697
}

Semantic roles & 50–950 ramp

primary

#436FCD

secondary

#D4C198

accent

#B047E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436FCD

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

Preview Lab → · Contrast checker → · Palette generator →