#333FBE#333FBE

#333FBE is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.6% C 0.196 H 271.4°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#333FBE
RGB	rgb(51, 63, 190)
HSL	hsl(235, 58%, 47%)
HSV	hsv(235, 73%, 75%)
CMYK	cmyk(73.2%, 66.8%, 0%, 25.5%)
CIE-LAB	lab(33.93, 38.60, -67.79)
CIE-LCH	lch(33.93, 78.01, 299.66°)
OKLab	oklab(44.61% 0.0049 -0.196)
OKLCH	oklch(44.61% 0.196 271.4)
XYZ	xyz(12.4339, 7.9752, 49.5893)
Luminance	0.0798 (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

#333FBE #BEB233

analogous

#3385BE #333FBE #6C33BE

triadic

#333FBE #BE333F #3FBE33

tetradic

#333FBE #BE3385 #BEB233 #33BE6C

square

#333FBE #BE3385 #BEB233 #33BE6C

split-complementary

#333FBE #BE6C33 #85BE33

monochromatic

#191F5E #262F8E #333FBE #5B66D3 #8B93E0

Accessibility & contrast

On white

8.09

#333FBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#333FBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333FBE

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333FBE	#FFFFFF	#000000	##FFFFFF
##333FBE	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C2

Deuteranopia (green-blind)

#0049BC

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #333fbe;
/* rgb */ color: rgb(51, 63, 190);
/* oklch */ color: oklch(44.6% 0.196 271.4);

Tailwind

colors: {
  custom: {
    50: '#7f74d3',
    500: '#333fbe',
    950: '#000000',
  },
}

SCSS

$custom: #333fbe;
$custom-light: #7f74d3;
$custom-dark: #000000;

JSON

{
  "hex": "#333fbe",
  "rgb": {
    "r": 51,
    "g": 63,
    "b": 190
  },
  "hsl": {
    "h": 234.82,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44612,
    "c": 0.19609,
    "h": 271.4
  },
  "luminance": 0.07977
}

Semantic roles & 50–950 ramp

primary

#333FBE

secondary

#CAC483

accent

#D447E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #333FBE

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

Preview Lab → · Contrast checker → · Palette generator →