#4036B9#4036B9

#4036B9 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.5% C 0.197 H 277.8°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#4036B9
RGB	rgb(64, 54, 185)
HSL	hsl(245, 55%, 47%)
HSV	hsv(245, 71%, 73%)
CMYK	cmyk(65.4%, 70.8%, 0%, 27.5%)
CIE-LAB	lab(32.33, 43.84, -67.45)
CIE-LCH	lch(32.33, 80.44, 303.02°)
OKLab	oklab(43.53% 0.0267 -0.1947)
OKLCH	oklch(43.53% 0.197 277.8)
XYZ	xyz(12.1876, 7.2301, 46.6428)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4036B9 #AFB936

analogous

#366EB9 #4036B9 #8236B9

triadic

#4036B9 #B94036 #36B940

tetradic

#4036B9 #B9366E #AFB936 #36B982

square

#4036B9 #B9366E #AFB936 #36B982

split-complementary

#4036B9 #B98236 #6EB936

monochromatic

#1F1A5A #30288A #4036B9 #655DD0 #928CDD

Accessibility & contrast

On white

8.58

#4036B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#4036B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4036B9

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4036B9	#FFFFFF	#000000	##FFFFFF
##4036B9	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BD

Deuteranopia (green-blind)

#0047B7

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4036b9;
/* rgb */ color: rgb(64, 54, 185);
/* oklch */ color: oklch(43.5% 0.197 277.8);

Tailwind

colors: {
  custom: {
    50: '#846fcf',
    500: '#4036b9',
    950: '#000000',
  },
}

SCSS

$custom: #4036b9;
$custom-light: #846fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#4036b9",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 185
  },
  "hsl": {
    "h": 244.58,
    "s": 54.812,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43531,
    "c": 0.19653,
    "h": 277.8
  },
  "luminance": 0.07231
}

Semantic roles & 50–950 ramp

primary

#4036B9

secondary

#C3C883

accent

#DE4AD3

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4036B9

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

Preview Lab → · Contrast checker → · Palette generator →