#334FB0#334FB0

#334FB0 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.158 H 267.6°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#334FB0
RGB	rgb(51, 79, 176)
HSL	hsl(227, 55%, 45%)
HSV	hsv(227, 71%, 69%)
CMYK	cmyk(71%, 55.1%, 0%, 31%)
CIE-LAB	lab(36.80, 23.22, -54.85)
CIE-LCH	lch(36.80, 59.56, 292.95°)
OKLab	oklab(46.38% -0.0065 -0.1579)
OKLCH	oklch(46.38% 0.158 267.6)
XYZ	xyz(11.9950, 9.4291, 42.2537)
Luminance	0.0943 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334FB0 #B09433

analogous

#338EB0 #334FB0 #5633B0

triadic

#334FB0 #B0334F #4FB033

tetradic

#334FB0 #B0338E #B09433 #33B056

square

#334FB0 #B0338E #B09433 #33B056

split-complementary

#334FB0 #B05633 #8EB033

monochromatic

#182451 #253A81 #334FB0 #536ECD #8296DB

Accessibility & contrast

On white

7.28

#334FB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#334FB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334FB0

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334FB0	#FFFFFF	#000000	##FFFFFF
##334FB0	1.00	7.28	2.89	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB3

Deuteranopia (green-blind)

#0051AE

Tritanopia (blue-blind)

#006778

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #334fb0;
/* rgb */ color: rgb(51, 79, 176);
/* oklch */ color: oklch(46.4% 0.158 267.6);

Tailwind

colors: {
  custom: {
    50: '#7b7fc8',
    500: '#334fb0',
    950: '#000000',
  },
}

SCSS

$custom: #334fb0;
$custom-light: #7b7fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#334fb0",
  "rgb": {
    "r": 51,
    "g": 79,
    "b": 176
  },
  "hsl": {
    "h": 226.56,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.46377,
    "c": 0.15803,
    "h": 267.6
  },
  "luminance": 0.0943
}

Semantic roles & 50–950 ramp

primary

#334FB0

secondary

#C4B47B

accent

#BD49DE

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #334FB0

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

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