#333DB6#333DB6

#333DB6 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.5% C 0.188 H 272.1°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#333DB6
RGB	rgb(51, 61, 182)
HSL	hsl(235, 56%, 46%)
HSV	hsv(235, 72%, 71%)
CMYK	cmyk(72%, 66.5%, 0%, 28.6%)
CIE-LAB	lab(32.74, 37.04, -65.02)
CIE-LCH	lch(32.74, 74.83, 299.66°)
OKLab	oklab(43.52% 0.0068 -0.1879)
OKLCH	oklch(43.52% 0.188 272.1)
XYZ	xyz(11.4746, 7.4175, 45.0739)
Luminance	0.0742 (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

#333DB6 #B6AC33

analogous

#337EB6 #333DB6 #6A33B6

triadic

#333DB6 #B6333D #3DB633

tetradic

#333DB6 #B6337E #B6AC33 #33B66A

square

#333DB6 #B6337E #B6AC33 #33B66A

split-complementary

#333DB6 #B66A33 #7EB633

monochromatic

#181D56 #262D86 #333DB6 #5660D0 #868DDD

Accessibility & contrast

On white

8.45

#333DB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#333DB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333DB6

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333DB6	#FFFFFF	#000000	##FFFFFF
##333DB6	1.00	8.45	2.48	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BA

Deuteranopia (green-blind)

#0047B4

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #333db6;
/* rgb */ color: rgb(51, 61, 182);
/* oklch */ color: oklch(43.5% 0.188 272.1);

Tailwind

colors: {
  custom: {
    50: '#7d73cd',
    500: '#333db6',
    950: '#000000',
  },
}

SCSS

$custom: #333db6;
$custom-light: #7d73cd;
$custom-dark: #000000;

JSON

{
  "hex": "#333db6",
  "rgb": {
    "r": 51,
    "g": 61,
    "b": 182
  },
  "hsl": {
    "h": 235.42,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43522,
    "c": 0.18807,
    "h": 272.1
  },
  "luminance": 0.07419
}

Semantic roles & 50–950 ramp

primary

#333DB6

secondary

#C7C17E

accent

#D448E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #333DB6

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

Preview Lab → · Contrast checker → · Palette generator →