#333EB6#333EB6

#333EB6 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.7% C 0.187 H 271.9°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#333EB6
RGB	rgb(51, 62, 182)
HSL	hsl(235, 56%, 46%)
HSV	hsv(235, 72%, 71%)
CMYK	cmyk(72%, 65.9%, 0%, 28.6%)
CIE-LAB	lab(32.97, 36.41, -64.64)
CIE-LCH	lch(32.97, 74.19, 299.39°)
OKLab	oklab(43.69% 0.0062 -0.1868)
OKLCH	oklch(43.69% 0.187 271.9)
XYZ	xyz(11.5285, 7.5253, 45.0919)
Luminance	0.0753 (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

#333EB6 #B6AB33

analogous

#337FB6 #333EB6 #6933B6

triadic

#333EB6 #B6333E #3EB633

tetradic

#333EB6 #B6337F #B6AB33 #33B669

square

#333EB6 #B6337F #B6AB33 #33B669

split-complementary

#333EB6 #B66933 #7FB633

monochromatic

#181D56 #262E86 #333EB6 #5661D0 #868EDD

Accessibility & contrast

On white

8.38

#333EB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#333EB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333EB6

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333EB6	#FFFFFF	#000000	##FFFFFF
##333EB6	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BA

Deuteranopia (green-blind)

#0047B4

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #333eb6;
/* rgb */ color: rgb(51, 62, 182);
/* oklch */ color: oklch(43.7% 0.187 271.9);

Tailwind

colors: {
  custom: {
    50: '#7d73cd',
    500: '#333eb6',
    950: '#000000',
  },
}

SCSS

$custom: #333eb6;
$custom-light: #7d73cd;
$custom-dark: #000000;

JSON

{
  "hex": "#333eb6",
  "rgb": {
    "r": 51,
    "g": 62,
    "b": 182
  },
  "hsl": {
    "h": 234.962,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43693,
    "c": 0.18692,
    "h": 271.9
  },
  "luminance": 0.07526
}

Semantic roles & 50–950 ramp

primary

#333EB6

secondary

#C7C17E

accent

#D348E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #333EB6

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

Preview Lab → · Contrast checker → · Palette generator →