#436DC5#436DC5

#436DC5 is a mid, vivid blue. Relative luminance 0.162; OKLCH L 54.9% C 0.145 H 263.2°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#436DC5
RGB	rgb(67, 109, 197)
HSL	hsl(221, 53%, 52%)
HSV	hsv(221, 66%, 77%)
CMYK	cmyk(66%, 44.7%, 0%, 22.7%)
CIE-LAB	lab(47.18, 14.03, -50.33)
CIE-LCH	lch(47.18, 52.25, 285.58°)
OKLab	oklab(54.94% -0.0171 -0.1438)
OKLCH	oklch(54.94% 0.145 263.2)
XYZ	xyz(17.8579, 16.1601, 54.9906)
Luminance	0.1616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436DC5 #C59B43

analogous

#43AEC5 #436DC5 #5A43C5

triadic

#436DC5 #C5436D #6DC543

tetradic

#436DC5 #C543AE #C59B43 #43C55A

square

#436DC5 #C543AE #C59B43 #43C55A

split-complementary

#436DC5 #C55A43 #AEC543

monochromatic

#213A6C #30529B #436DC5 #7291D3 #A1B6E2

Accessibility & contrast

On white

4.96

#436DC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#436DC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436DC5

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436DC5	#FFFFFF	#000000	##FFFFFF
##436DC5	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4276C8

Deuteranopia (green-blind)

#2C6AC3

Tritanopia (blue-blind)

#00818F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #436dc5;
/* rgb */ color: rgb(67, 109, 197);
/* oklch */ color: oklch(54.9% 0.145 263.2);

Tailwind

colors: {
  custom: {
    50: '#8496d7',
    500: '#436dc5',
    950: '#000000',
  },
}

SCSS

$custom: #436dc5;
$custom-light: #8496d7;
$custom-dark: #000000;

JSON

{
  "hex": "#436dc5",
  "rgb": {
    "r": 67,
    "g": 109,
    "b": 197
  },
  "hsl": {
    "h": 220.615,
    "s": 52.846,
    "l": 51.765
  },
  "oklch": {
    "l": 0.54937,
    "c": 0.14485,
    "h": 263.2
  },
  "luminance": 0.16162
}

Semantic roles & 50–950 ramp

primary

#436DC5

secondary

#CEBC95

accent

#AE4CDC

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436DC5

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

Preview Lab → · Contrast checker → · Palette generator →