#436EF4#436EF4

#436EF4 is a mid, highly saturated blue. Relative luminance 0.189; OKLCH L 58.5% C 0.207 H 266.5°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#436EF4
RGB	rgb(67, 110, 244)
HSL	hsl(225, 89%, 61%)
HSV	hsv(225, 73%, 96%)
CMYK	cmyk(72.5%, 54.9%, 0%, 4.3%)
CIE-LAB	lab(50.54, 30.16, -71.53)
CIE-LCH	lch(50.54, 77.63, 292.86°)
OKLab	oklab(58.47% -0.0127 -0.2062)
OKLCH	oklch(58.47% 0.207 266.5)
XYZ	xyz(24.2141, 18.8742, 87.9374)
Luminance	0.1888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436EF4 #F4C943

analogous

#43C6F4 #436EF4 #7043F4

triadic

#436EF4 #F4436E #6EF443

tetradic

#436EF4 #F443C6 #F4C943 #43F470

square

#436EF4 #F443C6 #F4C943 #43F470

split-complementary

#436EF4 #F47043 #C6F443

monochromatic

#0A33B2 #0E44EC #436EF4 #7D9BF7 #B7C7FB

Accessibility & contrast

On white

4.40

#436EF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#436EF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #436EF4

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436EF4	#FFFFFF	#000000	##000000
##436EF4	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0081F9

Deuteranopia (green-blind)

#0070F1

Tritanopia (blue-blind)

#008FA6

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #436ef4;
/* rgb */ color: rgb(67, 110, 244);
/* oklch */ color: oklch(58.5% 0.207 266.5);

Tailwind

colors: {
  custom: {
    50: '#8d97f9',
    500: '#436ef4',
    950: '#000000',
  },
}

SCSS

$custom: #436ef4;
$custom-light: #8d97f9;
$custom-dark: #000000;

JSON

{
  "hex": "#436ef4",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 244
  },
  "hsl": {
    "h": 225.424,
    "s": 88.945,
    "l": 60.98
  },
  "oklch": {
    "l": 0.58474,
    "c": 0.20656,
    "h": 266.5
  },
  "luminance": 0.18877
}

Semantic roles & 50–950 ramp

primary

#436EF4

secondary

#EBDBA8

accent

#AE00E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #436EF4

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

Preview Lab → · Contrast checker → · Palette generator →