#334566#334566

#334566 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.1% C 0.061 H 262.0°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#334566
RGB	rgb(51, 69, 102)
HSL	hsl(219, 33%, 30%)
HSV	hsv(219, 50%, 40%)
CMYK	cmyk(50%, 32.4%, 0%, 60%)
CIE-LAB	lab(29.21, 3.01, -21.54)
CIE-LCH	lch(29.21, 21.75, 277.96°)
OKLab	oklab(39.06% -0.0085 -0.0604)
OKLCH	oklch(39.06% 0.061 262)
XYZ	xyz(5.8908, 5.9190, 13.3999)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334566 #665433

analogous

#335E66 #334566 #3B3366

triadic

#334566 #663345 #456633

tetradic

#334566 #66335E #665433 #33663B

square

#334566 #66335E #665433 #33663B

split-complementary

#334566 #663B33 #5E6633

monochromatic

#0A0E14 #1F293D #334566 #47618F #637EB1

Accessibility & contrast

On white

9.62

#334566 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#334566 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334566

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334566	#FFFFFF	#000000	##FFFFFF
##334566	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394767

Deuteranopia (green-blind)

#334365

Tritanopia (blue-blind)

#1E4C51

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #334566;
/* rgb */ color: rgb(51, 69, 102);
/* oklch */ color: oklch(39.1% 0.061 262.0);

Tailwind

colors: {
  custom: {
    50: '#6e7892',
    500: '#334566',
    950: '#000000',
  },
}

SCSS

$custom: #334566;
$custom-light: #6e7892;
$custom-dark: #000000;

JSON

{
  "hex": "#334566",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 102
  },
  "hsl": {
    "h": 218.824,
    "s": 33.333,
    "l": 30
  },
  "oklch": {
    "l": 0.3906,
    "c": 0.06098,
    "h": 262
  },
  "luminance": 0.05919
}

Semantic roles & 50–950 ramp

primary

#334566

secondary

#97835E

accent

#A45EC9

background

#F6F7F8

surface

#ECEDF0

border

#C7C8CB

text

#07090D

muted

#7A7B7D

Preview Lab

Preview with #334566

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

Preview Lab → · Contrast checker → · Palette generator →