#334BB9#334BB9

#334BB9 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.3% C 0.175 H 269.0°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#334BB9
RGB	rgb(51, 75, 185)
HSL	hsl(229, 57%, 46%)
HSV	hsv(229, 72%, 73%)
CMYK	cmyk(72.4%, 59.5%, 0%, 27.5%)
CIE-LAB	lab(36.44, 29.16, -60.75)
CIE-LCH	lch(36.44, 67.38, 295.64°)
OKLab	oklab(46.33% -0.003 -0.1753)
OKLCH	oklch(46.33% 0.175 269)
XYZ	xyz(12.6353, 9.2374, 47.0066)
Luminance	0.0924 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334BB9 #B9A133

analogous

#338EB9 #334BB9 #5E33B9

triadic

#334BB9 #B9334B #4BB933

tetradic

#334BB9 #B9338E #B9A133 #33B95E

square

#334BB9 #B9338E #B9A133 #33B95E

split-complementary

#334BB9 #B95E33 #8EB933

monochromatic

#192459 #263889 #334BB9 #586ED1 #8898DE

Accessibility & contrast

On white

7.37

#334BB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#334BB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334BB9

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334BB9	#FFFFFF	#000000	##FFFFFF
##334BB9	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBD

Deuteranopia (green-blind)

#0050B7

Tritanopia (blue-blind)

#00677A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #334bb9;
/* rgb */ color: rgb(51, 75, 185);
/* oklch */ color: oklch(46.3% 0.175 269.0);

Tailwind

colors: {
  custom: {
    50: '#7d7dcf',
    500: '#334bb9',
    950: '#000000',
  },
}

SCSS

$custom: #334bb9;
$custom-light: #7d7dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#334bb9",
  "rgb": {
    "r": 51,
    "g": 75,
    "b": 185
  },
  "hsl": {
    "h": 229.254,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.46325,
    "c": 0.17532,
    "h": 269
  },
  "luminance": 0.09239
}

Semantic roles & 50–950 ramp

primary

#334BB9

secondary

#C8BB80

accent

#C548E0

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #334BB9

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

Preview Lab → · Contrast checker → · Palette generator →