#333FC0#333FC0

#333FC0 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.8% C 0.199 H 271.4°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#333FC0
RGB	rgb(51, 63, 192)
HSL	hsl(235, 58%, 48%)
HSV	hsv(235, 73%, 75%)
CMYK	cmyk(73.4%, 67.2%, 0%, 24.7%)
CIE-LAB	lab(34.11, 39.30, -68.66)
CIE-LCH	lch(34.11, 79.11, 299.78°)
OKLab	oklab(44.8% 0.0047 -0.1986)
OKLCH	oklch(44.8% 0.199 271.4)
XYZ	xyz(12.6539, 8.0633, 50.7484)
Luminance	0.0806 (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

#333FC0 #C0B433

analogous

#3385C0 #333FC0 #6E33C0

triadic

#333FC0 #C0333F #3FC033

tetradic

#333FC0 #C03385 #C0B433 #33C06E

square

#333FC0 #C03385 #C0B433 #33C06E

split-complementary

#333FC0 #C06E33 #85C033

monochromatic

#191F5F #262F90 #333FC0 #5C67D4 #8D94E1

Accessibility & contrast

On white

8.04

#333FC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#333FC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333FC0

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333FC0	#FFFFFF	#000000	##FFFFFF
##333FC0	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C4

Deuteranopia (green-blind)

#004ABE

Tritanopia (blue-blind)

#00627A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #333fc0;
/* rgb */ color: rgb(51, 63, 192);
/* oklch */ color: oklch(44.8% 0.199 271.4);

Tailwind

colors: {
  custom: {
    50: '#8074d4',
    500: '#333fc0',
    950: '#000000',
  },
}

SCSS

$custom: #333fc0;
$custom-light: #8074d4;
$custom-dark: #000000;

JSON

{
  "hex": "#333fc0",
  "rgb": {
    "r": 51,
    "g": 63,
    "b": 192
  },
  "hsl": {
    "h": 234.894,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44801,
    "c": 0.19864,
    "h": 271.4
  },
  "luminance": 0.08065
}

Semantic roles & 50–950 ramp

primary

#333FC0

secondary

#CBC584

accent

#D447E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #333FC0

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

Preview Lab → · Contrast checker → · Palette generator →