#3C33BB#3C33BB

#3C33BB is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.0% C 0.203 H 276.5°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#3C33BB
RGB	rgb(60, 51, 187)
HSL	hsl(244, 57%, 47%)
HSV	hsv(244, 73%, 73%)
CMYK	cmyk(67.9%, 72.7%, 0%, 26.7%)
CIE-LAB	lab(31.61, 45.70, -69.81)
CIE-LCH	lch(31.61, 83.44, 303.21°)
OKLab	oklab(43.01% 0.0231 -0.2017)
OKLCH	oklch(43.01% 0.203 276.5)
XYZ	xyz(12.0140, 6.9151, 47.7057)
Luminance	0.0692 (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

#3C33BB #B2BB33

analogous

#336EBB #3C33BB #8033BB

triadic

#3C33BB #BB3C33 #33BB3C

tetradic

#3C33BB #BB336E #B2BB33 #33BB80

square

#3C33BB #BB336E #B2BB33 #33BB80

split-complementary

#3C33BB #BB8033 #6EBB33

monochromatic

#1D195B #2D268B #3C33BB #6159D2 #8F89DF

Accessibility & contrast

On white

8.81

#3C33BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3C33BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C33BB

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C33BB	#FFFFFF	#000000	##FFFFFF
##3C33BB	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BF

Deuteranopia (green-blind)

#0044B9

Tritanopia (blue-blind)

#005974

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3c33bb;
/* rgb */ color: rgb(60, 51, 187);
/* oklch */ color: oklch(43.0% 0.203 276.5);

Tailwind

colors: {
  custom: {
    50: '#836dd1',
    500: '#3c33bb',
    950: '#000000',
  },
}

SCSS

$custom: #3c33bb;
$custom-light: #836dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c33bb",
  "rgb": {
    "r": 60,
    "g": 51,
    "b": 187
  },
  "hsl": {
    "h": 243.971,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43006,
    "c": 0.20302,
    "h": 276.5
  },
  "luminance": 0.06916
}

Semantic roles & 50–950 ramp

primary

#3C33BB

secondary

#C4C981

accent

#E047D6

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3C33BB

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

Preview Lab → · Contrast checker → · Palette generator →