#334399#334399

#334399 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.1% C 0.141 H 271.1°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#334399
RGB	rgb(51, 67, 153)
HSL	hsl(231, 50%, 40%)
HSV	hsv(231, 67%, 60%)
CMYK	cmyk(66.7%, 56.2%, 0%, 40%)
CIE-LAB	lab(31.85, 22.67, -49.09)
CIE-LCH	lch(31.85, 54.07, 294.79°)
OKLab	oklab(42.12% 0.0028 -0.1411)
OKLCH	oklch(42.12% 0.141 271.1)
XYZ	xyz(9.1202, 7.0172, 31.0046)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334399 #998933

analogous

#337699 #334399 #563399

triadic

#334399 #993343 #439933

tetradic

#334399 #993376 #998933 #339956

square

#334399 #993376 #998933 #339956

split-complementary

#334399 #995633 #769933

monochromatic

#141B3D #242F6B #334399 #475BC2 #7584D1

Accessibility & contrast

On white

8.74

#334399 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#334399 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334399

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334399	#FFFFFF	#000000	##FFFFFF
##334399	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509C

Deuteranopia (green-blind)

#004697

Tritanopia (blue-blind)

#005867

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #334399;
/* rgb */ color: rgb(51, 67, 153);
/* oklch */ color: oklch(42.1% 0.141 271.1);

Tailwind

colors: {
  custom: {
    50: '#7776b8',
    500: '#334399',
    950: '#000000',
  },
}

SCSS

$custom: #334399;
$custom-light: #7776b8;
$custom-dark: #000000;

JSON

{
  "hex": "#334399",
  "rgb": {
    "r": 51,
    "g": 67,
    "b": 153
  },
  "hsl": {
    "h": 230.588,
    "s": 50,
    "l": 40
  },
  "oklch": {
    "l": 0.42115,
    "c": 0.14114,
    "h": 271.1
  },
  "luminance": 0.07018
}

Semantic roles & 50–950 ramp

primary

#334399

secondary

#B9AE6E

accent

#C44EDA

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #334399

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

Preview Lab → · Contrast checker → · Palette generator →