#4036A8#4036A8

#4036A8 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.9% C 0.175 H 279.6°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#4036A8
RGB	rgb(64, 54, 168)
HSL	hsl(245, 51%, 44%)
HSV	hsv(245, 68%, 66%)
CMYK	cmyk(61.9%, 67.9%, 0%, 34.1%)
CIE-LAB	lab(30.77, 38.31, -59.86)
CIE-LCH	lch(30.77, 71.07, 302.62°)
OKLab	oklab(41.94% 0.0293 -0.1725)
OKLCH	oklch(41.94% 0.175 279.6)
XYZ	xyz(10.4992, 6.5547, 37.7501)
Luminance	0.0655 (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

#4036A8 #9EA836

analogous

#3665A8 #4036A8 #7936A8

triadic

#4036A8 #A84036 #36A840

tetradic

#4036A8 #A83665 #9EA836 #36A879

square

#4036A8 #A83665 #9EA836 #36A879

split-complementary

#4036A8 #A87936 #65A836

monochromatic

#1D184B #2E277A #4036A8 #5E53C8 #8982D7

Accessibility & contrast

On white

9.09

#4036A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#4036A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4036A8

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4036A8	#FFFFFF	#000000	##FFFFFF
##4036A8	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAC

Deuteranopia (green-blind)

#0044A6

Tritanopia (blue-blind)

#00546A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4036a8;
/* rgb */ color: rgb(64, 54, 168);
/* oklch */ color: oklch(41.9% 0.175 279.6);

Tailwind

colors: {
  custom: {
    50: '#816ec3',
    500: '#4036a8',
    950: '#000000',
  },
}

SCSS

$custom: #4036a8;
$custom-light: #816ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#4036a8",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 168
  },
  "hsl": {
    "h": 245.263,
    "s": 51.351,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4194,
    "c": 0.17497,
    "h": 279.6
  },
  "luminance": 0.06555
}

Semantic roles & 50–950 ramp

primary

#4036A8

secondary

#BAC07A

accent

#DB4DCE

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #4036A8

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

Preview Lab → · Contrast checker → · Palette generator →