#436AE3#436AE3

#436AE3 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.4% C 0.189 H 266.7°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#436AE3
RGB	rgb(67, 106, 227)
HSL	hsl(225, 74%, 58%)
HSV	hsv(225, 70%, 89%)
CMYK	cmyk(70.5%, 53.3%, 0%, 11%)
CIE-LAB	lab(48.32, 26.61, -65.60)
CIE-LCH	lch(48.32, 70.79, 292.08°)
OKLab	oklab(56.42% -0.0108 -0.1888)
OKLCH	oklch(56.42% 0.189 266.7)
XYZ	xyz(21.3291, 17.0452, 74.8241)
Luminance	0.1705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436AE3 #E3BC43

analogous

#43BAE3 #436AE3 #6C43E3

triadic

#436AE3 #E3436A #6AE343

tetradic

#436AE3 #E343BA #E3BC43 #43E36C

square

#436AE3 #E343BA #E3BC43 #43E36C

split-complementary

#436AE3 #E36C43 #BAE343

monochromatic

#163595 #1E48CB #436AE3 #7894EB #AEBEF3

Accessibility & contrast

On white

4.76

#436AE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#436AE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436AE3

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436AE3	#FFFFFF	#000000	##FFFFFF
##436AE3	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A7AE7

Deuteranopia (green-blind)

#006CE1

Tritanopia (blue-blind)

#00879C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #436ae3;
/* rgb */ color: rgb(67, 106, 227);
/* oklch */ color: oklch(56.4% 0.189 266.7);

Tailwind

colors: {
  custom: {
    50: '#8a94ed',
    500: '#436ae3',
    950: '#000000',
  },
}

SCSS

$custom: #436ae3;
$custom-light: #8a94ed;
$custom-dark: #000000;

JSON

{
  "hex": "#436ae3",
  "rgb": {
    "r": 67,
    "g": 106,
    "b": 227
  },
  "hsl": {
    "h": 225.375,
    "s": 74.074,
    "l": 57.647
  },
  "oklch": {
    "l": 0.56421,
    "c": 0.18911,
    "h": 266.7
  },
  "luminance": 0.17047
}

Semantic roles & 50–950 ramp

primary

#436AE3

secondary

#E1D1A1

accent

#C337F1

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #436AE3

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

Preview Lab → · Contrast checker → · Palette generator →