#4036AB#4036AB

#4036AB is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.2% C 0.179 H 279.3°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#4036AB
RGB	rgb(64, 54, 171)
HSL	hsl(245, 52%, 44%)
HSV	hsv(245, 68%, 67%)
CMYK	cmyk(62.6%, 68.4%, 0%, 32.9%)
CIE-LAB	lab(31.04, 39.29, -61.22)
CIE-LCH	lch(31.04, 72.75, 302.69°)
OKLab	oklab(42.22% 0.0289 -0.1765)
OKLCH	oklch(42.22% 0.179 279.3)
XYZ	xyz(10.7819, 6.6678, 39.2390)
Luminance	0.0667 (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

#4036AB #A1AB36

analogous

#3667AB #4036AB #7B36AB

triadic

#4036AB #AB4036 #36AB40

tetradic

#4036AB #AB3667 #A1AB36 #36AB7B

square

#4036AB #AB3667 #A1AB36 #36AB7B

split-complementary

#4036AB #AB7B36 #67AB36

monochromatic

#1D194E #2F277C #4036AB #5F55C9 #8B83D8

Accessibility & contrast

On white

9.00

#4036AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#4036AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4036AB

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4036AB	#FFFFFF	#000000	##FFFFFF
##4036AB	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAF

Deuteranopia (green-blind)

#0044A9

Tritanopia (blue-blind)

#00556C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4036ab;
/* rgb */ color: rgb(64, 54, 171);
/* oklch */ color: oklch(42.2% 0.179 279.3);

Tailwind

colors: {
  custom: {
    50: '#816ec5',
    500: '#4036ab',
    950: '#000000',
  },
}

SCSS

$custom: #4036ab;
$custom-light: #816ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#4036ab",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 171
  },
  "hsl": {
    "h": 245.128,
    "s": 52,
    "l": 44.118
  },
  "oklch": {
    "l": 0.42215,
    "c": 0.17884,
    "h": 279.3
  },
  "luminance": 0.06669
}

Semantic roles & 50–950 ramp

primary

#4036AB

secondary

#BCC27B

accent

#DB4CCF

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4036AB

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

Preview Lab → · Contrast checker → · Palette generator →