#334CB9#334CB9

#334CB9 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.5% C 0.174 H 268.8°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#334CB9
RGB	rgb(51, 76, 185)
HSL	hsl(229, 57%, 46%)
HSV	hsv(229, 72%, 73%)
CMYK	cmyk(72.4%, 58.9%, 0%, 27.5%)
CIE-LAB	lab(36.70, 28.51, -60.33)
CIE-LCH	lch(36.70, 66.73, 295.29°)
OKLab	oklab(46.52% -0.0038 -0.174)
OKLCH	oklch(46.52% 0.174 268.8)
XYZ	xyz(12.7036, 9.3742, 47.0294)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334CB9 #B9A033

analogous

#338FB9 #334CB9 #5D33B9

triadic

#334CB9 #B9334C #4CB933

tetradic

#334CB9 #B9338F #B9A033 #33B95D

square

#334CB9 #B9338F #B9A033 #33B95D

split-complementary

#334CB9 #B95D33 #8FB933

monochromatic

#192559 #263889 #334CB9 #586FD1 #8898DE

Accessibility & contrast

On white

7.30

#334CB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#334CB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334CB9

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334CB9	#FFFFFF	#000000	##FFFFFF
##334CB9	1.00	7.30	2.87	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBD

Deuteranopia (green-blind)

#0050B7

Tritanopia (blue-blind)

#00677B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #334cb9;
/* rgb */ color: rgb(51, 76, 185);
/* oklch */ color: oklch(46.5% 0.174 268.8);

Tailwind

colors: {
  custom: {
    50: '#7d7dcf',
    500: '#334cb9',
    950: '#000000',
  },
}

SCSS

$custom: #334cb9;
$custom-light: #7d7dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#334cb9",
  "rgb": {
    "r": 51,
    "g": 76,
    "b": 185
  },
  "hsl": {
    "h": 228.806,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.46517,
    "c": 0.17409,
    "h": 268.8
  },
  "luminance": 0.09375
}

Semantic roles & 50–950 ramp

primary

#334CB9

secondary

#C8BB80

accent

#C448E0

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #334CB9

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

Preview Lab → · Contrast checker → · Palette generator →