#334AB3#334AB3

#334AB3 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.6% C 0.168 H 269.2°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#334AB3
RGB	rgb(51, 74, 179)
HSL	hsl(229, 56%, 45%)
HSV	hsv(229, 72%, 70%)
CMYK	cmyk(71.5%, 58.7%, 0%, 29.8%)
CIE-LAB	lab(35.70, 27.61, -58.40)
CIE-LCH	lch(35.70, 64.60, 295.30°)
OKLab	oklab(45.63% -0.0024 -0.1684)
OKLCH	oklch(45.63% 0.168 269.2)
XYZ	xyz(11.9479, 8.8548, 43.7186)
Luminance	0.0886 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334AB3 #B39C33

analogous

#338AB3 #334AB3 #5C33B3

triadic

#334AB3 #B3334A #4AB333

tetradic

#334AB3 #B3338A #B39C33 #33B35C

square

#334AB3 #B3338A #B39C33 #33B35C

split-complementary

#334AB3 #B35C33 #8AB333

monochromatic

#182354 #253683 #334AB3 #556BCE #8494DC

Accessibility & contrast

On white

7.58

#334AB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#334AB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334AB3

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334AB3	#FFFFFF	#000000	##FFFFFF
##334AB3	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB7

Deuteranopia (green-blind)

#004EB1

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #334ab3;
/* rgb */ color: rgb(51, 74, 179);
/* oklch */ color: oklch(45.6% 0.168 269.2);

Tailwind

colors: {
  custom: {
    50: '#7c7ccb',
    500: '#334ab3',
    950: '#000000',
  },
}

SCSS

$custom: #334ab3;
$custom-light: #7c7ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#334ab3",
  "rgb": {
    "r": 51,
    "g": 74,
    "b": 179
  },
  "hsl": {
    "h": 229.219,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.45629,
    "c": 0.16844,
    "h": 269.2
  },
  "luminance": 0.08856
}

Semantic roles & 50–950 ramp

primary

#334AB3

secondary

#C6B87C

accent

#C449DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #334AB3

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

Preview Lab → · Contrast checker → · Palette generator →