#4033B7#4033B7

#4033B7 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.9% C 0.197 H 278.5°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#4033B7
RGB	rgb(64, 51, 183)
HSL	hsl(246, 56%, 46%)
HSV	hsv(246, 72%, 72%)
CMYK	cmyk(65%, 72.1%, 0%, 28.2%)
CIE-LAB	lab(31.52, 44.90, -67.58)
CIE-LCH	lch(31.52, 81.14, 303.60°)
OKLab	oklab(42.9% 0.0291 -0.1951)
OKLCH	oklch(42.9% 0.197 278.5)
XYZ	xyz(11.8427, 6.8756, 45.4936)
Luminance	0.0688 (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

#4033B7 #AAB733

analogous

#3368B7 #4033B7 #8233B7

triadic

#4033B7 #B74033 #33B740

tetradic

#4033B7 #B73368 #AAB733 #33B782

square

#4033B7 #B73368 #AAB733 #33B782

split-complementary

#4033B7 #B78233 #68B733

monochromatic

#1F1857 #2F2687 #4033B7 #6357D0 #8F87DE

Accessibility & contrast

On white

8.84

#4033B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#4033B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4033B7

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4033B7	#FFFFFF	#000000	##FFFFFF
##4033B7	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBB

Deuteranopia (green-blind)

#0045B5

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4033b7;
/* rgb */ color: rgb(64, 51, 183);
/* oklch */ color: oklch(42.9% 0.197 278.5);

Tailwind

colors: {
  custom: {
    50: '#846dce',
    500: '#4033b7',
    950: '#000000',
  },
}

SCSS

$custom: #4033b7;
$custom-light: #846dce;
$custom-dark: #000000;

JSON

{
  "hex": "#4033b7",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 183
  },
  "hsl": {
    "h": 245.909,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42901,
    "c": 0.19725,
    "h": 278.5
  },
  "luminance": 0.06877
}

Semantic roles & 50–950 ramp

primary

#4033B7

secondary

#C0C77F

accent

#E048D1

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4033B7

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

Preview Lab → · Contrast checker → · Palette generator →