#333DBD#333DBD

#333DBD is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.2% C 0.197 H 271.8°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#333DBD
RGB	rgb(51, 61, 189)
HSL	hsl(236, 58%, 47%)
HSV	hsv(236, 73%, 74%)
CMYK	cmyk(73%, 67.7%, 0%, 25.9%)
CIE-LAB	lab(33.38, 39.48, -68.10)
CIE-LCH	lch(33.38, 78.72, 300.10°)
OKLab	oklab(44.18% 0.0062 -0.197)
OKLCH	oklch(44.18% 0.197 271.8)
XYZ	xyz(12.2162, 7.7142, 48.9794)
Luminance	0.0771 (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

#333DBD #BDB333

analogous

#3382BD #333DBD #6E33BD

triadic

#333DBD #BD333D #3DBD33

tetradic

#333DBD #BD3382 #BDB333 #33BD6E

square

#333DBD #BD3382 #BDB333 #33BD6E

split-complementary

#333DBD #BD6E33 #82BD33

monochromatic

#191E5D #262D8D #333DBD #5B63D3 #8B91E0

Accessibility & contrast

On white

8.26

#333DBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#333DBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333DBD

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333DBD	#FFFFFF	#000000	##FFFFFF
##333DBD	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C1

Deuteranopia (green-blind)

#0048BB

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #333dbd;
/* rgb */ color: rgb(51, 61, 189);
/* oklch */ color: oklch(44.2% 0.197 271.8);

Tailwind

colors: {
  custom: {
    50: '#7f73d2',
    500: '#333dbd',
    950: '#000000',
  },
}

SCSS

$custom: #333dbd;
$custom-light: #7f73d2;
$custom-dark: #000000;

JSON

{
  "hex": "#333dbd",
  "rgb": {
    "r": 51,
    "g": 61,
    "b": 189
  },
  "hsl": {
    "h": 235.652,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44184,
    "c": 0.19706,
    "h": 271.8
  },
  "luminance": 0.07715
}

Semantic roles & 50–950 ramp

primary

#333DBD

secondary

#CAC582

accent

#D647E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #333DBD

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

Preview Lab → · Contrast checker → · Palette generator →