#4036A5#4036A5

#4036A5 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.7% C 0.171 H 280.0°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#4036A5
RGB	rgb(64, 54, 165)
HSL	hsl(245, 51%, 43%)
HSV	hsv(245, 67%, 65%)
CMYK	cmyk(61.2%, 67.3%, 0%, 35.3%)
CIE-LAB	lab(30.51, 37.32, -58.49)
CIE-LCH	lch(30.51, 69.38, 302.54°)
OKLab	oklab(41.67% 0.0297 -0.1685)
OKLCH	oklch(41.67% 0.171 280)
XYZ	xyz(10.2229, 6.4442, 36.2952)
Luminance	0.0644 (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

#4036A5 #9BA536

analogous

#3664A5 #4036A5 #7736A5

triadic

#4036A5 #A54036 #36A540

tetradic

#4036A5 #A53664 #9BA536 #36A577

square

#4036A5 #A53664 #9BA536 #36A577

split-complementary

#4036A5 #A57736 #64A536

monochromatic

#1C1849 #2E2777 #4036A5 #5C52C6 #8880D5

Accessibility & contrast

On white

9.17

#4036A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#4036A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4036A5

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4036A5	#FFFFFF	#000000	##FFFFFF
##4036A5	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA8

Deuteranopia (green-blind)

#0044A3

Tritanopia (blue-blind)

#005369

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4036a5;
/* rgb */ color: rgb(64, 54, 165);
/* oklch */ color: oklch(41.7% 0.171 280.0);

Tailwind

colors: {
  custom: {
    50: '#806ec1',
    500: '#4036a5',
    950: '#000000',
  },
}

SCSS

$custom: #4036a5;
$custom-light: #806ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#4036a5",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 165
  },
  "hsl": {
    "h": 245.405,
    "s": 50.685,
    "l": 42.941
  },
  "oklch": {
    "l": 0.41667,
    "c": 0.17108,
    "h": 280
  },
  "luminance": 0.06445
}

Semantic roles & 50–950 ramp

primary

#4036A5

secondary

#B8BF78

accent

#DA4ECE

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #4036A5

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

Preview Lab → · Contrast checker → · Palette generator →