#334D9B#334D9B

#334D9B is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.4% C 0.131 H 267.1°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#334D9B
RGB	rgb(51, 77, 155)
HSL	hsl(225, 50%, 40%)
HSV	hsv(225, 67%, 61%)
CMYK	cmyk(67.1%, 50.3%, 0%, 39.2%)
CIE-LAB	lab(34.76, 16.74, -45.60)
CIE-LCH	lch(34.76, 48.57, 290.16°)
OKLab	oklab(44.36% -0.0067 -0.1307)
OKLCH	oklch(44.36% 0.131 267.1)
XYZ	xyz(9.9335, 8.3772, 32.0975)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334D9B #9B8133

analogous

#33819B #334D9B #4D339B

triadic

#334D9B #9B334D #4D9B33

tetradic

#334D9B #9B3381 #9B8133 #339B4D

square

#334D9B #9B3381 #9B8133 #339B4D

split-complementary

#334D9B #9B4D33 #819B33

monochromatic

#151F3F #24366D #334D9B #4867C3 #768DD2

Accessibility & contrast

On white

7.85

#334D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#334D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334D9B

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334D9B	#FFFFFF	#000000	##FFFFFF
##334D9B	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22579E

Deuteranopia (green-blind)

#044D99

Tritanopia (blue-blind)

#005F6C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #334d9b;
/* rgb */ color: rgb(51, 77, 155);
/* oklch */ color: oklch(44.4% 0.131 267.1);

Tailwind

colors: {
  custom: {
    50: '#767eb9',
    500: '#334d9b',
    950: '#000000',
  },
}

SCSS

$custom: #334d9b;
$custom-light: #767eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#334d9b",
  "rgb": {
    "r": 51,
    "g": 77,
    "b": 155
  },
  "hsl": {
    "h": 225,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.44359,
    "c": 0.13087,
    "h": 267.1
  },
  "luminance": 0.08378
}

Semantic roles & 50–950 ramp

primary

#334D9B

secondary

#BAA86F

accent

#B74EDA

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #334D9B

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

Preview Lab → · Contrast checker → · Palette generator →