#3B33B7#3B33B7

#3B33B7 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.5% C 0.198 H 276.5°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#3B33B7
RGB	rgb(59, 51, 183)
HSL	hsl(244, 56%, 46%)
HSV	hsv(244, 72%, 72%)
CMYK	cmyk(67.8%, 72.1%, 0%, 28.2%)
CIE-LAB	lab(31.15, 44.30, -68.21)
CIE-LCH	lch(31.15, 81.33, 303.00°)
OKLab	oklab(42.54% 0.0225 -0.1971)
OKLCH	oklch(42.54% 0.198 276.5)
XYZ	xyz(11.5319, 6.7153, 45.4790)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.95

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B33B7 #AFB733

analogous

#336DB7 #3B33B7 #7D33B7

triadic

#3B33B7 #B73B33 #33B73B

tetradic

#3B33B7 #B7336D #AFB733 #33B77D

square

#3B33B7 #B7336D #AFB733 #33B77D

split-complementary

#3B33B7 #B77D33 #6DB733

monochromatic

#1C1857 #2C2687 #3B33B7 #5E57D0 #8C87DE

Accessibility & contrast

On white

8.96

#3B33B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3B33B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B33B7

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B33B7	#FFFFFF	#000000	##FFFFFF
##3B33B7	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBB

Deuteranopia (green-blind)

#0044B5

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3b33b7;
/* rgb */ color: rgb(59, 51, 183);
/* oklch */ color: oklch(42.5% 0.198 276.5);

Tailwind

colors: {
  custom: {
    50: '#826cce',
    500: '#3b33b7',
    950: '#000000',
  },
}

SCSS

$custom: #3b33b7;
$custom-light: #826cce;
$custom-dark: #000000;

JSON

{
  "hex": "#3b33b7",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 183
  },
  "hsl": {
    "h": 243.636,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.4254,
    "c": 0.19834,
    "h": 276.5
  },
  "luminance": 0.06716
}

Semantic roles & 50–950 ramp

primary

#3B33B7

secondary

#C3C77F

accent

#E048D7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3B33B7

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

Preview Lab → · Contrast checker → · Palette generator →