#4033AC#4033AC

#4033AC is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.8% C 0.184 H 279.7°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#4033AC
RGB	rgb(64, 51, 172)
HSL	hsl(246, 54%, 44%)
HSV	hsv(246, 70%, 67%)
CMYK	cmyk(62.8%, 70.3%, 0%, 32.5%)
CIE-LAB	lab(30.49, 41.38, -62.73)
CIE-LCH	lch(30.49, 75.15, 303.41°)
OKLab	oklab(41.85% 0.0311 -0.1809)
OKLCH	oklch(41.85% 0.184 279.7)
XYZ	xyz(10.7422, 6.4354, 39.6978)
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

#4033AC #9FAC33

analogous

#3362AC #4033AC #7C33AC

triadic

#4033AC #AC4033 #33AC40

tetradic

#4033AC #AC3362 #9FAC33 #33AC7C

square

#4033AC #AC3362 #9FAC33 #33AC7C

split-complementary

#4033AC #AC7C33 #62AC33

monochromatic

#1D174E #2E257D #4033AC #5E51CB #8A80D9

Accessibility & contrast

On white

9.18

#4033AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#4033AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4033AC

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4033AC	#FFFFFF	#000000	##FFFFFF
##4033AC	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB0

Deuteranopia (green-blind)

#0043AA

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4033ac;
/* rgb */ color: rgb(64, 51, 172);
/* oklch */ color: oklch(41.8% 0.184 279.7);

Tailwind

colors: {
  custom: {
    50: '#826cc6',
    500: '#4033ac',
    950: '#000000',
  },
}

SCSS

$custom: #4033ac;
$custom-light: #826cc6;
$custom-dark: #000000;

JSON

{
  "hex": "#4033ac",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 172
  },
  "hsl": {
    "h": 246.446,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41845,
    "c": 0.18355,
    "h": 279.7
  },
  "luminance": 0.06436
}

Semantic roles & 50–950 ramp

primary

#4033AC

secondary

#BBC278

accent

#DE4ACE

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4033AC

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

Preview Lab → · Contrast checker → · Palette generator →