#334EB5#334EB5

#334EB5 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.6% C 0.166 H 268.1°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#334EB5
RGB	rgb(51, 78, 181)
HSL	hsl(228, 56%, 45%)
HSV	hsv(228, 72%, 71%)
CMYK	cmyk(71.8%, 56.9%, 0%, 29%)
CIE-LAB	lab(36.91, 25.73, -57.63)
CIE-LCH	lch(36.91, 63.11, 294.06°)
OKLab	oklab(46.58% -0.0054 -0.1661)
OKLCH	oklch(46.58% 0.166 268.1)
XYZ	xyz(12.4272, 9.4875, 44.8834)
Luminance	0.0949 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334EB5 #B59A33

analogous

#338FB5 #334EB5 #5933B5

triadic

#334EB5 #B5334E #4EB533

tetradic

#334EB5 #B5338F #B59A33 #33B559

square

#334EB5 #B5338F #B59A33 #33B559

split-complementary

#334EB5 #B55933 #8FB533

monochromatic

#182556 #263985 #334EB5 #566FCF #8698DD

Accessibility & contrast

On white

7.25

#334EB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#334EB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334EB5

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334EB5	#FFFFFF	#000000	##FFFFFF
##334EB5	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB9

Deuteranopia (green-blind)

#0051B3

Tritanopia (blue-blind)

#00677A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #334eb5;
/* rgb */ color: rgb(51, 78, 181);
/* oklch */ color: oklch(46.6% 0.166 268.1);

Tailwind

colors: {
  custom: {
    50: '#7c7fcc',
    500: '#334eb5',
    950: '#000000',
  },
}

SCSS

$custom: #334eb5;
$custom-light: #7c7fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#334eb5",
  "rgb": {
    "r": 51,
    "g": 78,
    "b": 181
  },
  "hsl": {
    "h": 227.538,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.46577,
    "c": 0.16618,
    "h": 268.1
  },
  "luminance": 0.09489
}

Semantic roles & 50–950 ramp

primary

#334EB5

secondary

#C6B77D

accent

#C048DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #334EB5

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

Preview Lab → · Contrast checker → · Palette generator →