#436ECC#436ECC

#436ECC is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.6% C 0.153 H 263.7°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#436ECC
RGB	rgb(67, 110, 204)
HSL	hsl(221, 57%, 53%)
HSV	hsv(221, 67%, 80%)
CMYK	cmyk(67.2%, 46.1%, 0%, 20%)
CIE-LAB	lab(47.88, 15.89, -53.23)
CIE-LCH	lch(47.88, 55.55, 286.62°)
OKLab	oklab(55.61% -0.0169 -0.1523)
OKLCH	oklch(55.61% 0.153 263.7)
XYZ	xyz(18.7859, 16.7029, 59.3490)
Luminance	0.1671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436ECC #CCA143

analogous

#43B2CC #436ECC #5C43CC

triadic

#436ECC #CC436E #6ECC43

tetradic

#436ECC #CC43B2 #CCA143 #43CC5C

square

#436ECC #CC43B2 #CCA143 #43CC5C

split-complementary

#436ECC #CC5C43 #B2CC43

monochromatic

#203A75 #2D53A5 #436ECC #7393D9 #A3B8E6

Accessibility & contrast

On white

4.84

#436ECC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#436ECC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436ECC

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436ECC	#FFFFFF	#000000	##FFFFFF
##436ECC	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F78D0

Deuteranopia (green-blind)

#236CCA

Tritanopia (blue-blind)

#008493

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #436ecc;
/* rgb */ color: rgb(67, 110, 204);
/* oklch */ color: oklch(55.6% 0.153 263.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#436ecc",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 204
  },
  "hsl": {
    "h": 221.168,
    "s": 57.322,
    "l": 53.137
  },
  "oklch": {
    "l": 0.55611,
    "c": 0.15327,
    "h": 263.7
  },
  "luminance": 0.16705
}

Semantic roles & 50–950 ramp

primary

#436ECC

secondary

#D3C098

accent

#B047E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436ECC

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

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