#436CC5#436CC5

#436CC5 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 54.7% C 0.146 H 263.7°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#436CC5
RGB	rgb(67, 108, 197)
HSL	hsl(221, 53%, 52%)
HSV	hsv(221, 66%, 77%)
CMYK	cmyk(66%, 45.2%, 0%, 22.7%)
CIE-LAB	lab(46.91, 14.66, -50.78)
CIE-LCH	lch(46.91, 52.85, 286.10°)
OKLab	oklab(54.72% -0.0161 -0.1452)
OKLCH	oklch(54.72% 0.146 263.7)
XYZ	xyz(17.7518, 15.9479, 54.9552)
Luminance	0.1595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436CC5 #C59C43

analogous

#43ADC5 #436CC5 #5B43C5

triadic

#436CC5 #C5436C #6CC543

tetradic

#436CC5 #C543AD #C59C43 #43C55B

square

#436CC5 #C543AD #C59C43 #43C55B

split-complementary

#436CC5 #C55B43 #ADC543

monochromatic

#21396C #30529B #436CC5 #7291D3 #A1B5E2

Accessibility & contrast

On white

5.01

#436CC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#436CC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436CC5

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436CC5	#FFFFFF	#000000	##FFFFFF
##436CC5	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4076C8

Deuteranopia (green-blind)

#296AC3

Tritanopia (blue-blind)

#00808F

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #436cc5;
/* rgb */ color: rgb(67, 108, 197);
/* oklch */ color: oklch(54.7% 0.146 263.7);

Tailwind

colors: {
  custom: {
    50: '#8495d7',
    500: '#436cc5',
    950: '#000000',
  },
}

SCSS

$custom: #436cc5;
$custom-light: #8495d7;
$custom-dark: #000000;

JSON

{
  "hex": "#436cc5",
  "rgb": {
    "r": 67,
    "g": 108,
    "b": 197
  },
  "hsl": {
    "h": 221.077,
    "s": 52.846,
    "l": 51.765
  },
  "oklch": {
    "l": 0.54724,
    "c": 0.14605,
    "h": 263.7
  },
  "luminance": 0.1595
}

Semantic roles & 50–950 ramp

primary

#436CC5

secondary

#CEBC95

accent

#AF4CDC

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436CC5

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

Preview Lab → · Contrast checker → · Palette generator →