#4033BD#4033BD

#4033BD is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.5% C 0.205 H 277.8°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#4033BD
RGB	rgb(64, 51, 189)
HSL	hsl(246, 58%, 47%)
HSV	hsv(246, 73%, 74%)
CMYK	cmyk(66.1%, 73%, 0%, 25.9%)
CIE-LAB	lab(32.10, 46.80, -70.18)
CIE-LCH	lch(32.10, 84.35, 303.70°)
OKLab	oklab(43.49% 0.0279 -0.2027)
OKLCH	oklch(43.49% 0.205 277.8)
XYZ	xyz(12.4805, 7.1307, 48.8529)
Luminance	0.0713 (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

#4033BD #B0BD33

analogous

#336BBD #4033BD #8533BD

triadic

#4033BD #BD4033 #33BD40

tetradic

#4033BD #BD336B #B0BD33 #33BD85

square

#4033BD #BD336B #B0BD33 #33BD85

split-complementary

#4033BD #BD8533 #6BBD33

monochromatic

#1F195D #30268D #4033BD #665BD3 #938BE0

Accessibility & contrast

On white

8.65

#4033BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#4033BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4033BD

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4033BD	#FFFFFF	#000000	##FFFFFF
##4033BD	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C1

Deuteranopia (green-blind)

#0046BA

Tritanopia (blue-blind)

#005A75

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4033bd;
/* rgb */ color: rgb(64, 51, 189);
/* oklch */ color: oklch(43.5% 0.205 277.8);

Tailwind

colors: {
  custom: {
    50: '#856dd2',
    500: '#4033bd',
    950: '#000000',
  },
}

SCSS

$custom: #4033bd;
$custom-light: #856dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#4033bd",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 189
  },
  "hsl": {
    "h": 245.652,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43489,
    "c": 0.20457,
    "h": 277.8
  },
  "luminance": 0.07132
}

Semantic roles & 50–950 ramp

primary

#4033BD

secondary

#C3CA82

accent

#E147D2

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #4033BD

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

Preview Lab → · Contrast checker → · Palette generator →