#436CCC#436CCC

#436CCC is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.2% C 0.156 H 264.5°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#436CCC
RGB	rgb(67, 108, 204)
HSL	hsl(222, 57%, 53%)
HSV	hsv(222, 67%, 80%)
CMYK	cmyk(67.2%, 47.1%, 0%, 20%)
CIE-LAB	lab(47.33, 17.15, -54.11)
CIE-LCH	lch(47.33, 56.76, 287.59°)
OKLab	oklab(55.19% -0.015 -0.155)
OKLCH	oklch(55.19% 0.156 264.5)
XYZ	xyz(18.5726, 16.2762, 59.2779)
Luminance	0.1628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436CCC #CCA343

analogous

#43B0CC #436CCC #5E43CC

triadic

#436CCC #CC436C #6CCC43

tetradic

#436CCC #CC43B0 #CCA343 #43CC5E

square

#436CCC #CC43B0 #CCA343 #43CC5E

split-complementary

#436CCC #CC5E43 #B0CC43

monochromatic

#203975 #2D51A5 #436CCC #7392D9 #A3B7E6

Accessibility & contrast

On white

4.93

#436CCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#436CCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436CCC

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436CCC	#FFFFFF	#000000	##FFFFFF
##436CCC	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A77D0

Deuteranopia (green-blind)

#1D6ACA

Tritanopia (blue-blind)

#008292

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #436ccc;
/* rgb */ color: rgb(67, 108, 204);
/* oklch */ color: oklch(55.2% 0.156 264.5);

Tailwind

colors: {
  custom: {
    50: '#8695dc',
    500: '#436ccc',
    950: '#000000',
  },
}

SCSS

$custom: #436ccc;
$custom-light: #8695dc;
$custom-dark: #000000;

JSON

{
  "hex": "#436ccc",
  "rgb": {
    "r": 67,
    "g": 108,
    "b": 204
  },
  "hsl": {
    "h": 222.044,
    "s": 57.322,
    "l": 53.137
  },
  "oklch": {
    "l": 0.55191,
    "c": 0.15568,
    "h": 264.5
  },
  "luminance": 0.16278
}

Semantic roles & 50–950 ramp

primary

#436CCC

secondary

#D3C198

accent

#B347E1

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436CCC

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

Preview Lab → · Contrast checker → · Palette generator →