#334CB5#334CB5

#334CB5 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.2% C 0.169 H 268.7°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#334CB5
RGB	rgb(51, 76, 181)
HSL	hsl(228, 56%, 45%)
HSV	hsv(228, 72%, 71%)
CMYK	cmyk(71.8%, 58%, 0%, 29%)
CIE-LAB	lab(36.38, 27.04, -58.48)
CIE-LCH	lch(36.38, 64.43, 294.81°)
OKLab	oklab(46.18% -0.0039 -0.1686)
OKLCH	oklch(46.18% 0.169 268.7)
XYZ	xyz(12.2873, 9.2076, 44.8368)
Luminance	0.0921 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334CB5 #B59C33

analogous

#338DB5 #334CB5 #5B33B5

triadic

#334CB5 #B5334C #4CB533

tetradic

#334CB5 #B5338D #B59C33 #33B55B

square

#334CB5 #B5338D #B59C33 #33B55B

split-complementary

#334CB5 #B55B33 #8DB533

monochromatic

#182456 #263885 #334CB5 #566DCF #8696DD

Accessibility & contrast

On white

7.39

#334CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#334CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334CB5

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334CB5	#FFFFFF	#000000	##FFFFFF
##334CB5	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB9

Deuteranopia (green-blind)

#0050B3

Tritanopia (blue-blind)

#006679

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #334cb5;
/* rgb */ color: rgb(51, 76, 181);
/* oklch */ color: oklch(46.2% 0.169 268.7);

Tailwind

colors: {
  custom: {
    50: '#7c7dcc',
    500: '#334cb5',
    950: '#000000',
  },
}

SCSS

$custom: #334cb5;
$custom-light: #7c7dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#334cb5",
  "rgb": {
    "r": 51,
    "g": 76,
    "b": 181
  },
  "hsl": {
    "h": 228.462,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.46184,
    "c": 0.16866,
    "h": 268.7
  },
  "luminance": 0.09209
}

Semantic roles & 50–950 ramp

primary

#334CB5

secondary

#C6B87D

accent

#C248DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #334CB5

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

Preview Lab → · Contrast checker → · Palette generator →