#334B8A#334B8A

#334B8A is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.7% C 0.108 H 266.2°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#334B8A
RGB	rgb(51, 75, 138)
HSL	hsl(223, 46%, 37%)
HSV	hsv(223, 63%, 54%)
CMYK	cmyk(63%, 45.7%, 0%, 45.9%)
CIE-LAB	lab(33.07, 11.79, -37.95)
CIE-LCH	lch(33.07, 39.74, 287.26°)
OKLab	oklab(42.71% -0.0071 -0.1083)
OKLCH	oklch(42.71% 0.109 266.2)
XYZ	xyz(8.4672, 7.5702, 25.0548)
Luminance	0.0757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334B8A #8A7233

analogous

#33778A #334B8A #46338A

triadic

#334B8A #8A334B #4B8A33

tetradic

#334B8A #8A3377 #8A7233 #338A46

square

#334B8A #8A3377 #8A7233 #338A46

split-complementary

#334B8A #8A4633 #778A33

monochromatic

#121A31 #22335D #334B8A #4463B7 #6E87C9

Accessibility & contrast

On white

8.35

#334B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#334B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334B8A

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334B8A	#FFFFFF	#000000	##FFFFFF
##334B8A	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E528C

Deuteranopia (green-blind)

#204A89

Tritanopia (blue-blind)

#005963

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #334b8a;
/* rgb */ color: rgb(51, 75, 138);
/* oklch */ color: oklch(42.7% 0.108 266.2);

Tailwind

colors: {
  custom: {
    50: '#737cac',
    500: '#334b8a',
    950: '#000000',
  },
}

SCSS

$custom: #334b8a;
$custom-light: #737cac;
$custom-dark: #000000;

JSON

{
  "hex": "#334b8a",
  "rgb": {
    "r": 51,
    "g": 75,
    "b": 138
  },
  "hsl": {
    "h": 223.448,
    "s": 46.032,
    "l": 37.059
  },
  "oklch": {
    "l": 0.42714,
    "c": 0.1085,
    "h": 266.2
  },
  "luminance": 0.07571
}

Semantic roles & 50–950 ramp

primary

#334B8A

secondary

#B19D67

accent

#B152D6

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #334B8A

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

Preview Lab → · Contrast checker → · Palette generator →