#333BA9#333BA9

#333BA9 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.0% C 0.173 H 273.0°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#333BA9
RGB	rgb(51, 59, 169)
HSL	hsl(236, 54%, 43%)
HSV	hsv(236, 70%, 66%)
CMYK	cmyk(69.8%, 65.1%, 0%, 33.7%)
CIE-LAB	lab(31.10, 33.70, -59.96)
CIE-LCH	lch(31.10, 68.78, 299.34°)
OKLab	oklab(41.97% 0.0092 -0.1731)
OKLCH	oklch(41.97% 0.173 273)
XYZ	xyz(10.0882, 6.6953, 38.2891)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.17

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333BA9 #A9A133

analogous

#3376A9 #333BA9 #6633A9

triadic

#333BA9 #A9333B #3BA933

tetradic

#333BA9 #A93376 #A9A133 #33A966

square

#333BA9 #A93376 #A9A133 #33A966

split-complementary

#333BA9 #A96633 #76A933

monochromatic

#171A4B #252B7A #333BA9 #4F58CA #7E84D8

Accessibility & contrast

On white

8.98

#333BA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#333BA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333BA9

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333BA9	#FFFFFF	#000000	##FFFFFF
##333BA9	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAC

Deuteranopia (green-blind)

#0044A7

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #333ba9;
/* rgb */ color: rgb(51, 59, 169);
/* oklch */ color: oklch(42.0% 0.173 273.0);

Tailwind

colors: {
  custom: {
    50: '#7b71c4',
    500: '#333ba9',
    950: '#000000',
  },
}

SCSS

$custom: #333ba9;
$custom-light: #7b71c4;
$custom-dark: #000000;

JSON

{
  "hex": "#333ba9",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 169
  },
  "hsl": {
    "h": 235.932,
    "s": 53.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41972,
    "c": 0.17336,
    "h": 273
  },
  "luminance": 0.06696
}

Semantic roles & 50–950 ramp

primary

#333BA9

secondary

#C1BC77

accent

#D34BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #333BA9

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

Preview Lab → · Contrast checker → · Palette generator →