#334EB8#334EB8

#334EB8 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.8% C 0.170 H 268.2°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#334EB8
RGB	rgb(51, 78, 184)
HSL	hsl(228, 57%, 46%)
HSV	hsv(228, 72%, 72%)
CMYK	cmyk(72.3%, 57.6%, 0%, 27.8%)
CIE-LAB	lab(37.14, 26.84, -59.02)
CIE-LCH	lch(37.14, 64.84, 294.45°)
OKLab	oklab(46.82% -0.0053 -0.1702)
OKLCH	oklch(46.82% 0.17 268.2)
XYZ	xyz(12.7384, 9.6120, 46.5221)
Luminance	0.0961 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334EB8 #B89D33

analogous

#3390B8 #334EB8 #5B33B8

triadic

#334EB8 #B8334E #4EB833

tetradic

#334EB8 #B83390 #B89D33 #33B85B

square

#334EB8 #B83390 #B89D33 #33B85B

split-complementary

#334EB8 #B85B33 #90B833

monochromatic

#182558 #263A88 #334EB8 #5870D1 #8899DE

Accessibility & contrast

On white

7.19

#334EB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#334EB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334EB8

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334EB8	#FFFFFF	#000000	##FFFFFF
##334EB8	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBC

Deuteranopia (green-blind)

#0051B6

Tritanopia (blue-blind)

#00687B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #334eb8;
/* rgb */ color: rgb(51, 78, 184);
/* oklch */ color: oklch(46.8% 0.170 268.2);

Tailwind

colors: {
  custom: {
    50: '#7d7fce',
    500: '#334eb8',
    950: '#000000',
  },
}

SCSS

$custom: #334eb8;
$custom-light: #7d7fce;
$custom-dark: #000000;

JSON

{
  "hex": "#334eb8",
  "rgb": {
    "r": 51,
    "g": 78,
    "b": 184
  },
  "hsl": {
    "h": 227.82,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.46822,
    "c": 0.17026,
    "h": 268.2
  },
  "luminance": 0.09613
}

Semantic roles & 50–950 ramp

primary

#334EB8

secondary

#C8B97F

accent

#C148E0

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #334EB8

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

Preview Lab → · Contrast checker → · Palette generator →