#436FCC#436FCC

#436FCC is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.8% C 0.152 H 263.3°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#436FCC
RGB	rgb(67, 111, 204)
HSL	hsl(221, 57%, 53%)
HSV	hsv(221, 67%, 80%)
CMYK	cmyk(67.2%, 45.6%, 0%, 20%)
CIE-LAB	lab(48.16, 15.26, -52.79)
CIE-LCH	lch(48.16, 54.95, 286.13°)
OKLab	oklab(55.82% -0.0178 -0.151)
OKLCH	oklch(55.82% 0.152 263.3)
XYZ	xyz(18.8944, 16.9199, 59.3852)
Luminance	0.1692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FCC #CCA043

analogous

#43B3CC #436FCC #5B43CC

triadic

#436FCC #CC436F #6FCC43

tetradic

#436FCC #CC43B3 #CCA043 #43CC5B

square

#436FCC #CC43B3 #CCA043 #43CC5B

split-complementary

#436FCC #CC5B43 #B3CC43

monochromatic

#203B75 #2D53A5 #436FCC #7394D9 #A3B9E6

Accessibility & contrast

On white

4.79

#436FCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#436FCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436FCC

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FCC	#FFFFFF	#000000	##FFFFFF
##436FCC	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4179D0

Deuteranopia (green-blind)

#266CCA

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #436fcc;
/* rgb */ color: rgb(67, 111, 204);
/* oklch */ color: oklch(55.8% 0.152 263.3);

Tailwind

colors: {
  custom: {
    50: '#8697dc',
    500: '#436fcc',
    950: '#000000',
  },
}

SCSS

$custom: #436fcc;
$custom-light: #8697dc;
$custom-dark: #000000;

JSON

{
  "hex": "#436fcc",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 204
  },
  "hsl": {
    "h": 220.73,
    "s": 57.322,
    "l": 53.137
  },
  "oklch": {
    "l": 0.55823,
    "c": 0.15207,
    "h": 263.3
  },
  "luminance": 0.16922
}

Semantic roles & 50–950 ramp

primary

#436FCC

secondary

#D3C098

accent

#AF47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436FCC

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

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