#334AB4#334AB4

#334AB4 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.7% C 0.170 H 269.2°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#334AB4
RGB	rgb(51, 74, 180)
HSL	hsl(229, 56%, 45%)
HSV	hsv(229, 72%, 71%)
CMYK	cmyk(71.7%, 58.9%, 0%, 29.4%)
CIE-LAB	lab(35.78, 27.98, -58.87)
CIE-LCH	lch(35.78, 65.18, 295.42°)
OKLab	oklab(45.71% -0.0023 -0.1698)
OKLCH	oklch(45.71% 0.17 269.2)
XYZ	xyz(12.0494, 8.8954, 44.2531)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334AB4 #B49D33

analogous

#338BB4 #334AB4 #5C33B4

triadic

#334AB4 #B4334A #4AB433

tetradic

#334AB4 #B4338B #B49D33 #33B45C

square

#334AB4 #B4338B #B49D33 #33B45C

split-complementary

#334AB4 #B45C33 #8BB433

monochromatic

#182355 #253684 #334AB4 #556BCF #8595DC

Accessibility & contrast

On white

7.56

#334AB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#334AB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334AB4

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334AB4	#FFFFFF	#000000	##FFFFFF
##334AB4	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB8

Deuteranopia (green-blind)

#004EB2

Tritanopia (blue-blind)

#006478

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #334ab4;
/* rgb */ color: rgb(51, 74, 180);
/* oklch */ color: oklch(45.7% 0.170 269.2);

Tailwind

colors: {
  custom: {
    50: '#7c7ccb',
    500: '#334ab4',
    950: '#000000',
  },
}

SCSS

$custom: #334ab4;
$custom-light: #7c7ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#334ab4",
  "rgb": {
    "r": 51,
    "g": 74,
    "b": 180
  },
  "hsl": {
    "h": 229.302,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.45713,
    "c": 0.1698,
    "h": 269.2
  },
  "luminance": 0.08897
}

Semantic roles & 50–950 ramp

primary

#334AB4

secondary

#C6B97D

accent

#C449DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #334AB4

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

Preview Lab → · Contrast checker → · Palette generator →