#333BC0#333BC0

#333BC0 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.1% C 0.203 H 272.0°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#333BC0
RGB	rgb(51, 59, 192)
HSL	hsl(237, 58%, 48%)
HSV	hsv(237, 73%, 75%)
CMYK	cmyk(73.4%, 69.3%, 0%, 24.7%)
CIE-LAB	lab(33.21, 41.74, -70.14)
CIE-LCH	lch(33.21, 81.62, 300.75°)
OKLab	oklab(44.15% 0.007 -0.2029)
OKLCH	oklch(44.15% 0.203 272)
XYZ	xyz(12.4404, 7.6362, 50.6773)
Luminance	0.0764 (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

#333BC0 #C0B833

analogous

#3381C0 #333BC0 #7233C0

triadic

#333BC0 #C0333B #3BC033

tetradic

#333BC0 #C03381 #C0B833 #33C072

square

#333BC0 #C03381 #C0B833 #33C072

split-complementary

#333BC0 #C07233 #81C033

monochromatic

#191D5F #262C90 #333BC0 #5C63D4 #8D92E1

Accessibility & contrast

On white

8.31

#333BC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#333BC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333BC0

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333BC0	#FFFFFF	#000000	##FFFFFF
##333BC0	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C4

Deuteranopia (green-blind)

#0047BE

Tritanopia (blue-blind)

#006079

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #333bc0;
/* rgb */ color: rgb(51, 59, 192);
/* oklch */ color: oklch(44.1% 0.203 272.0);

Tailwind

colors: {
  custom: {
    50: '#8072d4',
    500: '#333bc0',
    950: '#000000',
  },
}

SCSS

$custom: #333bc0;
$custom-light: #8072d4;
$custom-dark: #000000;

JSON

{
  "hex": "#333bc0",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 192
  },
  "hsl": {
    "h": 236.596,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44149,
    "c": 0.20303,
    "h": 272
  },
  "luminance": 0.07638
}

Semantic roles & 50–950 ramp

primary

#333BC0

secondary

#CBC784

accent

#D847E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #333BC0

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

Preview Lab → · Contrast checker → · Palette generator →