#333FBD#333FBD

#333FBD is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.5% C 0.195 H 271.5°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#333FBD
RGB	rgb(51, 63, 189)
HSL	hsl(235, 58%, 47%)
HSV	hsv(235, 73%, 74%)
CMYK	cmyk(73%, 66.7%, 0%, 25.9%)
CIE-LAB	lab(33.84, 38.25, -67.35)
CIE-LCH	lch(33.84, 77.45, 299.59°)
OKLab	oklab(44.52% 0.0049 -0.1947)
OKLCH	oklch(44.52% 0.195 271.5)
XYZ	xyz(12.3249, 7.9317, 49.0157)
Luminance	0.0793 (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

#333FBD #BDB133

analogous

#3384BD #333FBD #6C33BD

triadic

#333FBD #BD333F #3FBD33

tetradic

#333FBD #BD3384 #BDB133 #33BD6C

square

#333FBD #BD3384 #BDB133 #33BD6C

split-complementary

#333FBD #BD6C33 #84BD33

monochromatic

#191F5D #262F8D #333FBD #5B65D3 #8B92E0

Accessibility & contrast

On white

8.12

#333FBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#333FBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333FBD

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333FBD	#FFFFFF	#000000	##FFFFFF
##333FBD	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C1

Deuteranopia (green-blind)

#0049BB

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #333fbd;
/* rgb */ color: rgb(51, 63, 189);
/* oklch */ color: oklch(44.5% 0.195 271.5);

Tailwind

colors: {
  custom: {
    50: '#7f74d2',
    500: '#333fbd',
    950: '#000000',
  },
}

SCSS

$custom: #333fbd;
$custom-light: #7f74d2;
$custom-dark: #000000;

JSON

{
  "hex": "#333fbd",
  "rgb": {
    "r": 51,
    "g": 63,
    "b": 189
  },
  "hsl": {
    "h": 234.783,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44518,
    "c": 0.1948,
    "h": 271.5
  },
  "luminance": 0.07933
}

Semantic roles & 50–950 ramp

primary

#333FBD

secondary

#CAC482

accent

#D347E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #333FBD

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

Preview Lab → · Contrast checker → · Palette generator →