#4033C7#4033C7

#4033C7 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.5% C 0.217 H 276.9°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#4033C7
RGB	rgb(64, 51, 199)
HSL	hsl(245, 59%, 49%)
HSV	hsv(245, 74%, 78%)
CMYK	cmyk(67.8%, 74.4%, 0%, 22%)
CIE-LAB	lab(33.09, 49.94, -74.41)
CIE-LCH	lch(33.09, 89.62, 303.86°)
OKLab	oklab(44.49% 0.0259 -0.215)
OKLCH	oklch(44.49% 0.217 276.9)
XYZ	xyz(13.6036, 7.5800, 54.7679)
Luminance	0.0758 (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

#4033C7 #BAC733

analogous

#3370C7 #4033C7 #8A33C7

triadic

#4033C7 #C74033 #33C740

tetradic

#4033C7 #C73370 #BAC733 #33C78A

square

#4033C7 #C73370 #BAC733 #33C78A

split-complementary

#4033C7 #C78A33 #70C733

monochromatic

#211A66 #302796 #4033C7 #6B61D6 #9991E3

Accessibility & contrast

On white

8.35

#4033C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#4033C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4033C7

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4033C7	#FFFFFF	#000000	##FFFFFF
##4033C7	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054CB

Deuteranopia (green-blind)

#0047C4

Tritanopia (blue-blind)

#005E7B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4033c7;
/* rgb */ color: rgb(64, 51, 199);
/* oklch */ color: oklch(44.5% 0.217 276.9);

Tailwind

colors: {
  custom: {
    50: '#876dd9',
    500: '#4033c7',
    950: '#000000',
  },
}

SCSS

$custom: #4033c7;
$custom-light: #876dd9;
$custom-dark: #000000;

JSON

{
  "hex": "#4033c7",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 199
  },
  "hsl": {
    "h": 245.27,
    "s": 59.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44487,
    "c": 0.21658,
    "h": 276.9
  },
  "luminance": 0.07581
}

Semantic roles & 50–950 ramp

primary

#4033C7

secondary

#C8CE88

accent

#E245D5

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #4033C7

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

Preview Lab → · Contrast checker → · Palette generator →