#334FA3#334FA3

#334FA3 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.4% C 0.140 H 266.9°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#334FA3
RGB	rgb(51, 79, 163)
HSL	hsl(225, 52%, 42%)
HSV	hsv(225, 69%, 64%)
CMYK	cmyk(68.7%, 51.5%, 0%, 36.1%)
CIE-LAB	lab(35.87, 18.39, -48.62)
CIE-LCH	lch(35.87, 51.98, 290.72°)
OKLab	oklab(45.38% -0.0076 -0.1396)
OKLCH	oklch(45.38% 0.14 266.9)
XYZ	xyz(10.7698, 8.9391, 35.8011)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334FA3 #A38733

analogous

#3387A3 #334FA3 #4F33A3

triadic

#334FA3 #A3334F #4FA333

tetradic

#334FA3 #A33387 #A38733 #33A34F

square

#334FA3 #A33387 #A38733 #33A34F

split-complementary

#334FA3 #A34F33 #87A333

monochromatic

#162246 #243874 #334FA3 #4C6BC7 #7B91D6

Accessibility & contrast

On white

7.53

#334FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#334FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334FA3

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334FA3	#FFFFFF	#000000	##FFFFFF
##334FA3	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)

#1D5AA6

Deuteranopia (green-blind)

#0050A1

Tritanopia (blue-blind)

#006371

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #334fa3;
/* rgb */ color: rgb(51, 79, 163);
/* oklch */ color: oklch(45.4% 0.140 266.9);

Tailwind

colors: {
  custom: {
    50: '#787fbf',
    500: '#334fa3',
    950: '#000000',
  },
}

SCSS

$custom: #334fa3;
$custom-light: #787fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#334fa3",
  "rgb": {
    "r": 51,
    "g": 79,
    "b": 163
  },
  "hsl": {
    "h": 225,
    "s": 52.336,
    "l": 41.961
  },
  "oklch": {
    "l": 0.45378,
    "c": 0.13977,
    "h": 266.9
  },
  "luminance": 0.0894
}

Semantic roles & 50–950 ramp

primary

#334FA3

secondary

#BEAC73

accent

#B84CDC

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #334FA3

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

Preview Lab → · Contrast checker → · Palette generator →