#334AB5#334AB5

#334AB5 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.8% C 0.171 H 269.2°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#334AB5
RGB	rgb(51, 74, 181)
HSL	hsl(229, 56%, 45%)
HSV	hsv(229, 72%, 71%)
CMYK	cmyk(71.8%, 59.1%, 0%, 29%)
CIE-LAB	lab(35.86, 28.34, -59.33)
CIE-LCH	lch(35.86, 65.75, 295.54°)
OKLab	oklab(45.8% -0.0023 -0.1711)
OKLCH	oklch(45.8% 0.171 269.2)
XYZ	xyz(12.1516, 8.9363, 44.7916)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334AB5 #B59E33

analogous

#338BB5 #334AB5 #5D33B5

triadic

#334AB5 #B5334A #4AB533

tetradic

#334AB5 #B5338B #B59E33 #33B55D

square

#334AB5 #B5338B #B59E33 #33B55D

split-complementary

#334AB5 #B55D33 #8BB533

monochromatic

#182356 #263685 #334AB5 #566BCF #8695DD

Accessibility & contrast

On white

7.53

#334AB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#334AB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334AB5

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334AB5	#FFFFFF	#000000	##FFFFFF
##334AB5	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB9

Deuteranopia (green-blind)

#004FB3

Tritanopia (blue-blind)

#006578

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #334ab5;
/* rgb */ color: rgb(51, 74, 181);
/* oklch */ color: oklch(45.8% 0.171 269.2);

Tailwind

colors: {
  custom: {
    50: '#7c7ccc',
    500: '#334ab5',
    950: '#000000',
  },
}

SCSS

$custom: #334ab5;
$custom-light: #7c7ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#334ab5",
  "rgb": {
    "r": 51,
    "g": 74,
    "b": 181
  },
  "hsl": {
    "h": 229.385,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.45797,
    "c": 0.17116,
    "h": 269.2
  },
  "luminance": 0.08938
}

Semantic roles & 50–950 ramp

primary

#334AB5

secondary

#C6B97D

accent

#C548DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #334AB5

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

Preview Lab → · Contrast checker → · Palette generator →