#334D99#334D99

#334D99 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.2% C 0.128 H 266.9°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#334D99
RGB	rgb(51, 77, 153)
HSL	hsl(225, 50%, 40%)
HSV	hsv(225, 67%, 60%)
CMYK	cmyk(66.7%, 49.7%, 0%, 40%)
CIE-LAB	lab(34.62, 16.00, -44.60)
CIE-LCH	lch(34.62, 47.39, 289.73°)
OKLab	oklab(44.21% -0.0069 -0.1278)
OKLCH	oklch(44.21% 0.128 266.9)
XYZ	xyz(9.7669, 8.3106, 31.2202)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334D99 #997F33

analogous

#338099 #334D99 #4C3399

triadic

#334D99 #99334D #4D9933

tetradic

#334D99 #993380 #997F33 #33994C

square

#334D99 #993380 #997F33 #33994C

split-complementary

#334D99 #994C33 #809933

monochromatic

#141F3D #24366B #334D99 #4767C2 #758DD1

Accessibility & contrast

On white

7.89

#334D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#334D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334D99

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334D99	#FFFFFF	#000000	##FFFFFF
##334D99	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24569C

Deuteranopia (green-blind)

#0B4D97

Tritanopia (blue-blind)

#005F6B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #334d99;
/* rgb */ color: rgb(51, 77, 153);
/* oklch */ color: oklch(44.2% 0.128 266.9);

Tailwind

colors: {
  custom: {
    50: '#767eb7',
    500: '#334d99',
    950: '#000000',
  },
}

SCSS

$custom: #334d99;
$custom-light: #767eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#334d99",
  "rgb": {
    "r": 51,
    "g": 77,
    "b": 153
  },
  "hsl": {
    "h": 224.706,
    "s": 50,
    "l": 40
  },
  "oklch": {
    "l": 0.44213,
    "c": 0.12797,
    "h": 266.9
  },
  "luminance": 0.08311
}

Semantic roles & 50–950 ramp

primary

#334D99

secondary

#B9A66E

accent

#B64EDA

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #334D99

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

Preview Lab → · Contrast checker → · Palette generator →