#344A9B#344A9B

#344A9B is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.8% C 0.134 H 268.8°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#344A9B
RGB	rgb(52, 74, 155)
HSL	hsl(227, 50%, 41%)
HSV	hsv(227, 66%, 61%)
CMYK	cmyk(66.5%, 52.3%, 0%, 39.2%)
CIE-LAB	lab(33.97, 18.91, -46.86)
CIE-LCH	lch(33.97, 50.53, 291.98°)
OKLab	oklab(43.78% -0.0027 -0.1344)
OKLCH	oklch(43.78% 0.134 268.8)
XYZ	xyz(9.7793, 7.9933, 32.0315)
Luminance	0.0799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#344A9B #9B8534

analogous

#347D9B #344A9B #51349B

triadic

#344A9B #9B344A #4A9B34

tetradic

#344A9B #9B347D #9B8534 #349B51

square

#344A9B #9B347D #9B8534 #349B51

split-complementary

#344A9B #9B5134 #7D9B34

monochromatic

#151E3F #25346D #344A9B #4A64C2 #788BD2

Accessibility & contrast

On white

8.08

#344A9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#344A9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #344A9B

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##344A9B	#FFFFFF	#000000	##FFFFFF
##344A9B	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A559E

Deuteranopia (green-blind)

#004B99

Tritanopia (blue-blind)

#005D6B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #344a9b;
/* rgb */ color: rgb(52, 74, 155);
/* oklch */ color: oklch(43.8% 0.134 268.8);

Tailwind

colors: {
  custom: {
    50: '#777cb9',
    500: '#344a9b',
    950: '#000000',
  },
}

SCSS

$custom: #344a9b;
$custom-light: #777cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#344a9b",
  "rgb": {
    "r": 52,
    "g": 74,
    "b": 155
  },
  "hsl": {
    "h": 227.184,
    "s": 49.758,
    "l": 40.588
  },
  "oklch": {
    "l": 0.43775,
    "c": 0.13448,
    "h": 268.8
  },
  "luminance": 0.07994
}

Semantic roles & 50–950 ramp

primary

#344A9B

secondary

#BAAA71

accent

#BC4FD9

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #344A9B

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

Preview Lab → · Contrast checker → · Palette generator →