#334A8D#334A8D

#334A8D is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.7% C 0.114 H 267.2°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#334A8D
RGB	rgb(51, 74, 141)
HSL	hsl(225, 47%, 38%)
HSV	hsv(225, 64%, 55%)
CMYK	cmyk(63.8%, 47.5%, 0%, 44.7%)
CIE-LAB	lab(32.97, 13.56, -39.95)
CIE-LCH	lch(32.97, 42.19, 288.75°)
OKLab	oklab(42.7% -0.0055 -0.1141)
OKLCH	oklch(42.7% 0.114 267.2)
XYZ	xyz(8.6201, 7.5237, 26.1921)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334A8D #8D7633

analogous

#33778D #334A8D #49338D

triadic

#334A8D #8D334A #4A8D33

tetradic

#334A8D #8D3377 #8D7633 #338D49

square

#334A8D #8D3377 #8D7633 #338D49

split-complementary

#334A8D #8D4933 #778D33

monochromatic

#121B33 #233260 #334A8D #4362BA #6F87CB

Accessibility & contrast

On white

8.38

#334A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#334A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334A8D

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334A8D	#FFFFFF	#000000	##FFFFFF
##334A8D	1.00	8.38	2.50	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295290

Deuteranopia (green-blind)

#1A4A8C

Tritanopia (blue-blind)

#005964

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #334a8d;
/* rgb */ color: rgb(51, 74, 141);
/* oklch */ color: oklch(42.7% 0.114 267.2);

Tailwind

colors: {
  custom: {
    50: '#747caf',
    500: '#334a8d',
    950: '#000000',
  },
}

SCSS

$custom: #334a8d;
$custom-light: #747caf;
$custom-dark: #000000;

JSON

{
  "hex": "#334a8d",
  "rgb": {
    "r": 51,
    "g": 74,
    "b": 141
  },
  "hsl": {
    "h": 224.667,
    "s": 46.875,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42699,
    "c": 0.11428,
    "h": 267.2
  },
  "luminance": 0.07524
}

Semantic roles & 50–950 ramp

primary

#334A8D

secondary

#B3A069

accent

#B451D7

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #334A8D

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

Preview Lab → · Contrast checker → · Palette generator →