#3333C7#3333C7

#3333C7 is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.7% C 0.220 H 272.6°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#3333C7
RGB	rgb(51, 51, 199)
HSL	hsl(240, 59%, 49%)
HSV	hsv(240, 74%, 78%)
CMYK	cmyk(74.4%, 74.4%, 0%, 22%)
CIE-LAB	lab(32.24, 48.70, -75.84)
CIE-LCH	lch(32.24, 90.14, 302.71°)
OKLab	oklab(43.66% 0.0099 -0.2195)
OKLCH	oklch(43.66% 0.22 272.6)
XYZ	xyz(12.8544, 7.1936, 54.7328)
Luminance	0.0720 (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

#3333C7 #C7C733

analogous

#337DC7 #3333C7 #7D33C7

triadic

#3333C7 #C73333 #33C733

tetradic

#3333C7 #C7337D #C7C733 #33C77D

square

#3333C7 #C7337D #C7C733 #33C77D

split-complementary

#3333C7 #C77D33 #7DC733

monochromatic

#1A1A66 #272796 #3333C7 #6161D6 #9191E3

Accessibility & contrast

On white

8.61

#3333C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3333C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3333C7

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3333C7	#FFFFFF	#000000	##FFFFFF
##3333C7	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053CB

Deuteranopia (green-blind)

#0044C4

Tritanopia (blue-blind)

#005E7B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3333c7;
/* rgb */ color: rgb(51, 51, 199);
/* oklch */ color: oklch(43.7% 0.220 272.6);

Tailwind

colors: {
  custom: {
    50: '#826dd9',
    500: '#3333c7',
    950: '#000000',
  },
}

SCSS

$custom: #3333c7;
$custom-light: #826dd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3333c7",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 199
  },
  "hsl": {
    "h": 240,
    "s": 59.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.43663,
    "c": 0.21972,
    "h": 272.6
  },
  "luminance": 0.07195
}

Semantic roles & 50–950 ramp

primary

#3333C7

secondary

#CECE88

accent

#E245E2

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3333C7

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

Preview Lab → · Contrast checker → · Palette generator →