#334FB1#334FB1

#334FB1 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.5% C 0.159 H 267.7°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#334FB1
RGB	rgb(51, 79, 177)
HSL	hsl(227, 55%, 45%)
HSV	hsv(227, 71%, 69%)
CMYK	cmyk(71.2%, 55.4%, 0%, 30.6%)
CIE-LAB	lab(36.87, 23.59, -55.32)
CIE-LCH	lch(36.87, 60.14, 293.10°)
OKLab	oklab(46.46% -0.0065 -0.1593)
OKLCH	oklch(46.46% 0.159 267.7)
XYZ	xyz(12.0943, 9.4689, 42.7767)
Luminance	0.0947 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334FB1 #B19533

analogous

#338EB1 #334FB1 #5633B1

triadic

#334FB1 #B1334F #4FB133

tetradic

#334FB1 #B1338E #B19533 #33B156

square

#334FB1 #B1338E #B19533 #33B156

split-complementary

#334FB1 #B15633 #8EB133

monochromatic

#182552 #253A81 #334FB1 #546FCE #8397DB

Accessibility & contrast

On white

7.26

#334FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#334FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334FB1

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334FB1	#FFFFFF	#000000	##FFFFFF
##334FB1	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB4

Deuteranopia (green-blind)

#0051AF

Tritanopia (blue-blind)

#006778

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #334fb1;
/* rgb */ color: rgb(51, 79, 177);
/* oklch */ color: oklch(46.5% 0.159 267.7);

Tailwind

colors: {
  custom: {
    50: '#7b7fc9',
    500: '#334fb1',
    950: '#000000',
  },
}

SCSS

$custom: #334fb1;
$custom-light: #7b7fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#334fb1",
  "rgb": {
    "r": 51,
    "g": 79,
    "b": 177
  },
  "hsl": {
    "h": 226.667,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.46456,
    "c": 0.15942,
    "h": 267.7
  },
  "luminance": 0.0947
}

Semantic roles & 50–950 ramp

primary

#334FB1

secondary

#C5B47B

accent

#BD49DF

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #334FB1

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

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