#334FB3#334FB3

#334FB3 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.6% C 0.162 H 267.8°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#334FB3
RGB	rgb(51, 79, 179)
HSL	hsl(227, 56%, 45%)
HSV	hsv(227, 72%, 70%)
CMYK	cmyk(71.5%, 55.9%, 0%, 29.8%)
CIE-LAB	lab(37.02, 24.33, -56.26)
CIE-LCH	lch(37.02, 61.30, 293.39°)
OKLab	oklab(46.62% -0.0063 -0.162)
OKLCH	oklch(46.62% 0.162 267.8)
XYZ	xyz(12.2951, 9.5492, 43.8343)
Luminance	0.0955 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334FB3 #B39733

analogous

#338FB3 #334FB3 #5733B3

triadic

#334FB3 #B3334F #4FB333

tetradic

#334FB3 #B3338F #B39733 #33B357

square

#334FB3 #B3338F #B39733 #33B357

split-complementary

#334FB3 #B35733 #8FB333

monochromatic

#182554 #253A83 #334FB3 #556FCE #8498DC

Accessibility & contrast

On white

7.22

#334FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#334FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334FB3

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334FB3	#FFFFFF	#000000	##FFFFFF
##334FB3	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB6

Deuteranopia (green-blind)

#0051B1

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #334fb3;
/* rgb */ color: rgb(51, 79, 179);
/* oklch */ color: oklch(46.6% 0.162 267.8);

Tailwind

colors: {
  custom: {
    50: '#7b7fca',
    500: '#334fb3',
    950: '#000000',
  },
}

SCSS

$custom: #334fb3;
$custom-light: #7b7fca;
$custom-dark: #000000;

JSON

{
  "hex": "#334fb3",
  "rgb": {
    "r": 51,
    "g": 79,
    "b": 179
  },
  "hsl": {
    "h": 226.875,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.46616,
    "c": 0.16217,
    "h": 267.8
  },
  "luminance": 0.0955
}

Semantic roles & 50–950 ramp

primary

#334FB3

secondary

#C6B67C

accent

#BE49DF

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #334FB3

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

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