#4033BF#4033BF

#4033BF is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.7% C 0.207 H 277.6°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#4033BF
RGB	rgb(64, 51, 191)
HSL	hsl(246, 58%, 47%)
HSV	hsv(246, 73%, 75%)
CMYK	cmyk(66.5%, 73.3%, 0%, 25.1%)
CIE-LAB	lab(32.30, 47.43, -71.03)
CIE-LCH	lch(32.30, 85.41, 303.73°)
OKLab	oklab(43.69% 0.0275 -0.2052)
OKLCH	oklch(43.69% 0.207 277.6)
XYZ	xyz(12.6991, 7.2181, 50.0041)
Luminance	0.0722 (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

#4033BF #B2BF33

analogous

#336CBF #4033BF #8633BF

triadic

#4033BF #BF4033 #33BF40

tetradic

#4033BF #BF336C #B2BF33 #33BF86

square

#4033BF #BF336C #B2BF33 #33BF86

split-complementary

#4033BF #BF8633 #6CBF33

monochromatic

#20195E #30268F #4033BF #675CD3 #948CE0

Accessibility & contrast

On white

8.59

#4033BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#4033BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4033BF

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4033BF	#FFFFFF	#000000	##FFFFFF
##4033BF	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C3

Deuteranopia (green-blind)

#0046BC

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4033bf;
/* rgb */ color: rgb(64, 51, 191);
/* oklch */ color: oklch(43.7% 0.207 277.6);

Tailwind

colors: {
  custom: {
    50: '#866dd4',
    500: '#4033bf',
    950: '#000000',
  },
}

SCSS

$custom: #4033bf;
$custom-light: #866dd4;
$custom-dark: #000000;

JSON

{
  "hex": "#4033bf",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 191
  },
  "hsl": {
    "h": 245.571,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.43687,
    "c": 0.207,
    "h": 277.6
  },
  "luminance": 0.07219
}

Semantic roles & 50–950 ramp

primary

#4033BF

secondary

#C4CB83

accent

#E147D3

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4033BF

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

Preview Lab → · Contrast checker → · Palette generator →