#334EB3#334EB3

#334EB3 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.163 H 268.1°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#334EB3
RGB	rgb(51, 78, 179)
HSL	hsl(227, 56%, 45%)
HSV	hsv(227, 72%, 70%)
CMYK	cmyk(71.5%, 56.4%, 0%, 29.8%)
CIE-LAB	lab(36.75, 24.99, -56.69)
CIE-LCH	lch(36.75, 61.96, 293.79°)
OKLab	oklab(46.42% -0.0055 -0.1633)
OKLCH	oklch(46.42% 0.163 268.1)
XYZ	xyz(12.2235, 9.4060, 43.8104)
Luminance	0.0941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334EB3 #B39833

analogous

#338EB3 #334EB3 #5833B3

triadic

#334EB3 #B3334E #4EB333

tetradic

#334EB3 #B3338E #B39833 #33B358

square

#334EB3 #B3338E #B39833 #33B358

split-complementary

#334EB3 #B35833 #8EB333

monochromatic

#182454 #253983 #334EB3 #556ECE #8497DC

Accessibility & contrast

On white

7.29

#334EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#334EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334EB3

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334EB3	#FFFFFF	#000000	##FFFFFF
##334EB3	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB6

Deuteranopia (green-blind)

#0051B1

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #334eb3;
/* rgb */ color: rgb(51, 78, 179);
/* oklch */ color: oklch(46.4% 0.163 268.1);

Tailwind

colors: {
  custom: {
    50: '#7b7fca',
    500: '#334eb3',
    950: '#000000',
  },
}

SCSS

$custom: #334eb3;
$custom-light: #7b7fca;
$custom-dark: #000000;

JSON

{
  "hex": "#334eb3",
  "rgb": {
    "r": 51,
    "g": 78,
    "b": 179
  },
  "hsl": {
    "h": 227.344,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.46416,
    "c": 0.16343,
    "h": 268.1
  },
  "luminance": 0.09407
}

Semantic roles & 50–950 ramp

primary

#334EB3

secondary

#C6B67C

accent

#BF49DF

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #334EB3

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

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