#334EB0#334EB0

#334EB0 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.2% C 0.159 H 268.0°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#334EB0
RGB	rgb(51, 78, 176)
HSL	hsl(227, 55%, 45%)
HSV	hsv(227, 71%, 69%)
CMYK	cmyk(71%, 55.7%, 0%, 31%)
CIE-LAB	lab(36.53, 23.88, -55.29)
CIE-LCH	lch(36.53, 60.22, 293.36°)
OKLab	oklab(46.18% -0.0057 -0.1592)
OKLCH	oklch(46.18% 0.159 268)
XYZ	xyz(11.9234, 9.2860, 42.2299)
Luminance	0.0929 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334EB0 #B09533

analogous

#338DB0 #334EB0 #5733B0

triadic

#334EB0 #B0334E #4EB033

tetradic

#334EB0 #B0338D #B09533 #33B057

square

#334EB0 #B0338D #B09533 #33B057

split-complementary

#334EB0 #B05733 #8DB033

monochromatic

#182451 #253981 #334EB0 #536DCD #8296DB

Accessibility & contrast

On white

7.35

#334EB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#334EB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334EB0

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334EB0	#FFFFFF	#000000	##FFFFFF
##334EB0	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB3

Deuteranopia (green-blind)

#0050AE

Tritanopia (blue-blind)

#006677

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #334eb0;
/* rgb */ color: rgb(51, 78, 176);
/* oklch */ color: oklch(46.2% 0.159 268.0);

Tailwind

colors: {
  custom: {
    50: '#7b7fc8',
    500: '#334eb0',
    950: '#000000',
  },
}

SCSS

$custom: #334eb0;
$custom-light: #7b7fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#334eb0",
  "rgb": {
    "r": 51,
    "g": 78,
    "b": 176
  },
  "hsl": {
    "h": 227.04,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.46175,
    "c": 0.1593,
    "h": 268
  },
  "luminance": 0.09287
}

Semantic roles & 50–950 ramp

primary

#334EB0

secondary

#C4B47B

accent

#BE49DE

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #334EB0

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

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