#333BBD#333BBD

#333BBD is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.9% C 0.199 H 272.1°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#333BBD
RGB	rgb(51, 59, 189)
HSL	hsl(237, 58%, 47%)
HSV	hsv(237, 73%, 74%)
CMYK	cmyk(73%, 68.8%, 0%, 25.9%)
CIE-LAB	lab(32.93, 40.71, -68.85)
CIE-LCH	lch(32.93, 79.98, 300.59°)
OKLab	oklab(43.86% 0.0073 -0.1991)
OKLCH	oklch(43.86% 0.199 272.1)
XYZ	xyz(12.1114, 7.5046, 48.9445)
Luminance	0.0751 (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

#333BBD #BDB533

analogous

#3380BD #333BBD #7033BD

triadic

#333BBD #BD333B #3BBD33

tetradic

#333BBD #BD3380 #BDB533 #33BD70

square

#333BBD #BD3380 #BDB533 #33BD70

split-complementary

#333BBD #BD7033 #80BD33

monochromatic

#191D5D #262C8D #333BBD #5B62D3 #8B90E0

Accessibility & contrast

On white

8.40

#333BBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#333BBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333BBD

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333BBD	#FFFFFF	#000000	##FFFFFF
##333BBD	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C1

Deuteranopia (green-blind)

#0047BB

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #333bbd;
/* rgb */ color: rgb(51, 59, 189);
/* oklch */ color: oklch(43.9% 0.199 272.1);

Tailwind

colors: {
  custom: {
    50: '#7f71d2',
    500: '#333bbd',
    950: '#000000',
  },
}

SCSS

$custom: #333bbd;
$custom-light: #7f71d2;
$custom-dark: #000000;

JSON

{
  "hex": "#333bbd",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 189
  },
  "hsl": {
    "h": 236.522,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43857,
    "c": 0.19926,
    "h": 272.1
  },
  "luminance": 0.07506
}

Semantic roles & 50–950 ramp

primary

#333BBD

secondary

#CAC682

accent

#D847E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #333BBD

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

Preview Lab → · Contrast checker → · Palette generator →