#334A8B#334A8B

#334A8B is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.6% C 0.111 H 267.0°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#334A8B
RGB	rgb(51, 74, 139)
HSL	hsl(224, 46%, 37%)
HSV	hsv(224, 63%, 55%)
CMYK	cmyk(63.3%, 46.8%, 0%, 45.5%)
CIE-LAB	lab(32.84, 12.83, -38.93)
CIE-LCH	lch(32.84, 40.99, 288.24°)
OKLab	oklab(42.56% -0.0059 -0.1111)
OKLCH	oklch(42.56% 0.111 267)
XYZ	xyz(8.4726, 7.4647, 25.4154)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334A8B #8B7433

analogous

#33768B #334A8B #48338B

triadic

#334A8B #8B334A #4A8B33

tetradic

#334A8B #8B3376 #8B7433 #338B48

square

#334A8B #8B3376 #8B7433 #338B48

split-complementary

#334A8B #8B4833 #768B33

monochromatic

#121A31 #23325E #334A8B #4362B8 #6E86CA

Accessibility & contrast

On white

8.42

#334A8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#334A8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334A8B

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334A8B	#FFFFFF	#000000	##FFFFFF
##334A8B	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B518D

Deuteranopia (green-blind)

#1D4A8A

Tritanopia (blue-blind)

#005963

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #334a8b;
/* rgb */ color: rgb(51, 74, 139);
/* oklch */ color: oklch(42.6% 0.111 267.0);

Tailwind

colors: {
  custom: {
    50: '#737cad',
    500: '#334a8b',
    950: '#000000',
  },
}

SCSS

$custom: #334a8b;
$custom-light: #737cad;
$custom-dark: #000000;

JSON

{
  "hex": "#334a8b",
  "rgb": {
    "r": 51,
    "g": 74,
    "b": 139
  },
  "hsl": {
    "h": 224.318,
    "s": 46.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.42559,
    "c": 0.1113,
    "h": 267
  },
  "luminance": 0.07465
}

Semantic roles & 50–950 ramp

primary

#334A8B

secondary

#B29F68

accent

#B352D6

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #334A8B

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

Preview Lab → · Contrast checker → · Palette generator →