#333FC8#333FC8

#333FC8 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.6% C 0.209 H 271.1°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#333FC8
RGB	rgb(51, 63, 200)
HSL	hsl(235, 59%, 49%)
HSV	hsv(235, 75%, 78%)
CMYK	cmyk(74.5%, 68.5%, 0%, 21.6%)
CIE-LAB	lab(34.86, 42.08, -72.12)
CIE-LCH	lch(34.86, 83.50, 300.26°)
OKLab	oklab(45.57% 0.0039 -0.2087)
OKLCH	oklch(45.57% 0.209 271.1)
XYZ	xyz(13.5645, 8.4275, 55.5442)
Luminance	0.0843 (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

#333FC8 #C8BC33

analogous

#338AC8 #333FC8 #7233C8

triadic

#333FC8 #C8333F #3FC833

tetradic

#333FC8 #C8338A #C8BC33 #33C872

square

#333FC8 #C8338A #C8BC33 #33C872

split-complementary

#333FC8 #C87233 #8AC833

monochromatic

#1A2066 #273097 #333FC8 #616BD7 #9299E3

Accessibility & contrast

On white

7.82

#333FC8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#333FC8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333FC8

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333FC8	#FFFFFF	#000000	##FFFFFF
##333FC8	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CC

Deuteranopia (green-blind)

#004BC5

Tritanopia (blue-blind)

#00657E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #333fc8;
/* rgb */ color: rgb(51, 63, 200);
/* oklch */ color: oklch(45.6% 0.209 271.1);

Tailwind

colors: {
  custom: {
    50: '#8174da',
    500: '#333fc8',
    950: '#000000',
  },
}

SCSS

$custom: #333fc8;
$custom-light: #8174da;
$custom-dark: #000000;

JSON

{
  "hex": "#333fc8",
  "rgb": {
    "r": 51,
    "g": 63,
    "b": 200
  },
  "hsl": {
    "h": 235.168,
    "s": 59.363,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45566,
    "c": 0.20872,
    "h": 271.1
  },
  "luminance": 0.08429
}

Semantic roles & 50–950 ramp

primary

#333FC8

secondary

#CEC989

accent

#D645E3

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #333FC8

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

Preview Lab → · Contrast checker → · Palette generator →