#4033AD#4033AD

#4033AD is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.9% C 0.185 H 279.6°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#4033AD
RGB	rgb(64, 51, 173)
HSL	hsl(246, 54%, 44%)
HSV	hsv(246, 71%, 68%)
CMYK	cmyk(63%, 70.5%, 0%, 32.2%)
CIE-LAB	lab(30.58, 41.70, -63.18)
CIE-LCH	lch(30.58, 75.70, 303.43°)
OKLab	oklab(41.94% 0.0309 -0.1822)
OKLCH	oklch(41.94% 0.185 279.6)
XYZ	xyz(10.8386, 6.4739, 40.2055)
Luminance	0.0648 (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

#4033AD #A0AD33

analogous

#3363AD #4033AD #7D33AD

triadic

#4033AD #AD4033 #33AD40

tetradic

#4033AD #AD3363 #A0AD33 #33AD7D

square

#4033AD #AD3363 #A0AD33 #33AD7D

split-complementary

#4033AD #AD7D33 #63AD33

monochromatic

#1D174E #2F257E #4033AD #5E51CC #8A81DA

Accessibility & contrast

On white

9.15

#4033AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#4033AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4033AD

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4033AD	#FFFFFF	#000000	##FFFFFF
##4033AD	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB1

Deuteranopia (green-blind)

#0043AB

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4033ad;
/* rgb */ color: rgb(64, 51, 173);
/* oklch */ color: oklch(41.9% 0.185 279.6);

Tailwind

colors: {
  custom: {
    50: '#826cc7',
    500: '#4033ad',
    950: '#000000',
  },
}

SCSS

$custom: #4033ad;
$custom-light: #826cc7;
$custom-dark: #000000;

JSON

{
  "hex": "#4033ad",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 173
  },
  "hsl": {
    "h": 246.393,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4194,
    "c": 0.18481,
    "h": 279.6
  },
  "luminance": 0.06475
}

Semantic roles & 50–950 ramp

primary

#4033AD

secondary

#BBC379

accent

#DE4ACE

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4033AD

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

Preview Lab → · Contrast checker → · Palette generator →