#334A8A#334A8A

#334A8A is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.5% C 0.110 H 266.9°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#334A8A
RGB	rgb(51, 74, 138)
HSL	hsl(224, 46%, 37%)
HSV	hsv(224, 63%, 54%)
CMYK	cmyk(63%, 46.4%, 0%, 45.9%)
CIE-LAB	lab(32.78, 12.46, -38.42)
CIE-LCH	lch(32.78, 40.39, 287.97°)
OKLab	oklab(42.49% -0.006 -0.1096)
OKLCH	oklch(42.49% 0.11 266.9)
XYZ	xyz(8.3999, 7.4356, 25.0324)
Luminance	0.0744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334A8A #8A7333

analogous

#33768A #334A8A #48338A

triadic

#334A8A #8A334A #4A8A33

tetradic

#334A8A #8A3376 #8A7333 #338A48

square

#334A8A #8A3376 #8A7333 #338A48

split-complementary

#334A8A #8A4833 #768A33

monochromatic

#121A31 #22325D #334A8A #4462B7 #6E86C9

Accessibility & contrast

On white

8.44

#334A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#334A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334A8A

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334A8A	#FFFFFF	#000000	##FFFFFF
##334A8A	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C518C

Deuteranopia (green-blind)

#1E4989

Tritanopia (blue-blind)

#005863

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #334a8a;
/* rgb */ color: rgb(51, 74, 138);
/* oklch */ color: oklch(42.5% 0.110 266.9);

Tailwind

colors: {
  custom: {
    50: '#737cac',
    500: '#334a8a',
    950: '#000000',
  },
}

SCSS

$custom: #334a8a;
$custom-light: #737cac;
$custom-dark: #000000;

JSON

{
  "hex": "#334a8a",
  "rgb": {
    "r": 51,
    "g": 74,
    "b": 138
  },
  "hsl": {
    "h": 224.138,
    "s": 46.032,
    "l": 37.059
  },
  "oklch": {
    "l": 0.4249,
    "c": 0.10981,
    "h": 266.9
  },
  "luminance": 0.07436
}

Semantic roles & 50–950 ramp

primary

#334A8A

secondary

#B19E67

accent

#B352D6

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #334A8A

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

Preview Lab → · Contrast checker → · Palette generator →