#436BE3#436BE3

#436BE3 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.6% C 0.188 H 266.5°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#436BE3
RGB	rgb(67, 107, 227)
HSL	hsl(225, 74%, 58%)
HSV	hsv(225, 70%, 89%)
CMYK	cmyk(70.5%, 52.9%, 0%, 11%)
CIE-LAB	lab(48.58, 25.99, -65.18)
CIE-LCH	lch(48.58, 70.17, 291.74°)
OKLab	oklab(56.62% -0.0116 -0.1875)
OKLCH	oklch(56.62% 0.188 266.5)
XYZ	xyz(21.4327, 17.2525, 74.8587)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BE3 #E3BB43

analogous

#43BBE3 #436BE3 #6B43E3

triadic

#436BE3 #E3436B #6BE343

tetradic

#436BE3 #E343BB #E3BB43 #43E36B

square

#436BE3 #E343BB #E3BB43 #43E36B

split-complementary

#436BE3 #E36B43 #BBE343

monochromatic

#163695 #1E49CB #436BE3 #7895EB #AEBFF3

Accessibility & contrast

On white

4.72

#436BE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#436BE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BE3

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BE3	#FFFFFF	#000000	##FFFFFF
##436BE3	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#127BE7

Deuteranopia (green-blind)

#006CE1

Tritanopia (blue-blind)

#00889D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #436be3;
/* rgb */ color: rgb(67, 107, 227);
/* oklch */ color: oklch(56.6% 0.188 266.5);

Tailwind

colors: {
  custom: {
    50: '#8a94ed',
    500: '#436be3',
    950: '#000000',
  },
}

SCSS

$custom: #436be3;
$custom-light: #8a94ed;
$custom-dark: #000000;

JSON

{
  "hex": "#436be3",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 227
  },
  "hsl": {
    "h": 225,
    "s": 74.074,
    "l": 57.647
  },
  "oklch": {
    "l": 0.56617,
    "c": 0.18791,
    "h": 266.5
  },
  "luminance": 0.17255
}

Semantic roles & 50–950 ramp

primary

#436BE3

secondary

#E1D1A1

accent

#C237F1

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #436BE3

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

Preview Lab → · Contrast checker → · Palette generator →