#333FB6#333FB6

#333FB6 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.9% C 0.186 H 271.7°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#333FB6
RGB	rgb(51, 63, 182)
HSL	hsl(235, 56%, 46%)
HSV	hsv(235, 72%, 71%)
CMYK	cmyk(72%, 65.4%, 0%, 28.6%)
CIE-LAB	lab(33.21, 35.78, -64.25)
CIE-LCH	lch(33.21, 73.54, 299.11°)
OKLab	oklab(43.87% 0.0055 -0.1857)
OKLCH	oklch(43.87% 0.186 271.7)
XYZ	xyz(11.5834, 7.6351, 45.1102)
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

#333FB6 #B6AA33

analogous

#3380B6 #333FB6 #6833B6

triadic

#333FB6 #B6333F #3FB633

tetradic

#333FB6 #B63380 #B6AA33 #33B668

square

#333FB6 #B63380 #B6AA33 #33B668

split-complementary

#333FB6 #B66833 #80B633

monochromatic

#181E56 #262E86 #333FB6 #5662D0 #868EDD

Accessibility & contrast

On white

8.31

#333FB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#333FB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333FB6

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333FB6	#FFFFFF	#000000	##FFFFFF
##333FB6	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)

#0054BA

Deuteranopia (green-blind)

#0048B4

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #333fb6;
/* rgb */ color: rgb(51, 63, 182);
/* oklch */ color: oklch(43.9% 0.186 271.7);

Tailwind

colors: {
  custom: {
    50: '#7d74cd',
    500: '#333fb6',
    950: '#000000',
  },
}

SCSS

$custom: #333fb6;
$custom-light: #7d74cd;
$custom-dark: #000000;

JSON

{
  "hex": "#333fb6",
  "rgb": {
    "r": 51,
    "g": 63,
    "b": 182
  },
  "hsl": {
    "h": 234.504,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43866,
    "c": 0.18575,
    "h": 271.7
  },
  "luminance": 0.07636
}

Semantic roles & 50–950 ramp

primary

#333FB6

secondary

#C7C07E

accent

#D248E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #333FB6

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

Preview Lab → · Contrast checker → · Palette generator →