#4036AA#4036AA

#4036AA is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.1% C 0.178 H 279.4°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#4036AA
RGB	rgb(64, 54, 170)
HSL	hsl(245, 52%, 44%)
HSV	hsv(245, 68%, 67%)
CMYK	cmyk(62.4%, 68.2%, 0%, 33.3%)
CIE-LAB	lab(30.95, 38.96, -60.77)
CIE-LCH	lch(30.95, 72.19, 302.66°)
OKLab	oklab(42.12% 0.029 -0.1752)
OKLCH	oklch(42.12% 0.178 279.4)
XYZ	xyz(10.6869, 6.6298, 38.7389)
Luminance	0.0663 (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

#4036AA #A0AA36

analogous

#3666AA #4036AA #7A36AA

triadic

#4036AA #AA4036 #36AA40

tetradic

#4036AA #AA3666 #A0AA36 #36AA7A

square

#4036AA #AA3666 #A0AA36 #36AA7A

split-complementary

#4036AA #AA7A36 #66AA36

monochromatic

#1D184D #2F277C #4036AA #5E54C9 #8A83D8

Accessibility & contrast

On white

9.03

#4036AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#4036AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4036AA

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4036AA	#FFFFFF	#000000	##FFFFFF
##4036AA	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAE

Deuteranopia (green-blind)

#0044A8

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4036aa;
/* rgb */ color: rgb(64, 54, 170);
/* oklch */ color: oklch(42.1% 0.178 279.4);

Tailwind

colors: {
  custom: {
    50: '#816ec4',
    500: '#4036aa',
    950: '#000000',
  },
}

SCSS

$custom: #4036aa;
$custom-light: #816ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#4036aa",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 170
  },
  "hsl": {
    "h": 245.172,
    "s": 51.786,
    "l": 43.922
  },
  "oklch": {
    "l": 0.42123,
    "c": 0.17756,
    "h": 279.4
  },
  "luminance": 0.06631
}

Semantic roles & 50–950 ramp

primary

#4036AA

secondary

#BBC17B

accent

#DB4DCF

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4036AA

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

Preview Lab → · Contrast checker → · Palette generator →