#436FC5#436FC5

#436FC5 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.4% C 0.142 H 262.3°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#436FC5
RGB	rgb(67, 111, 197)
HSL	hsl(220, 53%, 52%)
HSV	hsv(220, 66%, 77%)
CMYK	cmyk(66%, 43.7%, 0%, 22.7%)
CIE-LAB	lab(47.74, 12.78, -49.44)
CIE-LCH	lch(47.74, 51.07, 284.49°)
OKLab	oklab(55.37% -0.019 -0.1412)
OKLCH	oklch(55.37% 0.142 262.3)
XYZ	xyz(18.0737, 16.5916, 55.0625)
Luminance	0.1659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FC5 #C59943

analogous

#43B0C5 #436FC5 #5843C5

triadic

#436FC5 #C5436F #6FC543

tetradic

#436FC5 #C543B0 #C59943 #43C558

square

#436FC5 #C543B0 #C59943 #43C558

split-complementary

#436FC5 #C55843 #B0C543

monochromatic

#213B6C #30549B #436FC5 #7293D3 #A1B7E2

Accessibility & contrast

On white

4.86

#436FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#436FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436FC5

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FC5	#FFFFFF	#000000	##FFFFFF
##436FC5	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4678C8

Deuteranopia (green-blind)

#316CC3

Tritanopia (blue-blind)

#008390

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #436fc5;
/* rgb */ color: rgb(67, 111, 197);
/* oklch */ color: oklch(55.4% 0.142 262.3);

Tailwind

colors: {
  custom: {
    50: '#8497d7',
    500: '#436fc5',
    950: '#000000',
  },
}

SCSS

$custom: #436fc5;
$custom-light: #8497d7;
$custom-dark: #000000;

JSON

{
  "hex": "#436fc5",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 197
  },
  "hsl": {
    "h": 219.692,
    "s": 52.846,
    "l": 51.765
  },
  "oklch": {
    "l": 0.55366,
    "c": 0.14246,
    "h": 262.3
  },
  "luminance": 0.16593
}

Semantic roles & 50–950 ramp

primary

#436FC5

secondary

#CEBB95

accent

#AB4CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436FC5

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

Preview Lab → · Contrast checker → · Palette generator →