#344A9D#344A9D

#344A9D is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.9% C 0.137 H 268.9°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#344A9D
RGB	rgb(52, 74, 157)
HSL	hsl(227, 50%, 41%)
HSV	hsv(227, 67%, 62%)
CMYK	cmyk(66.9%, 52.9%, 0%, 38.4%)
CIE-LAB	lab(34.11, 19.65, -47.84)
CIE-LCH	lch(34.11, 51.72, 292.33°)
OKLab	oklab(43.93% -0.0026 -0.1373)
OKLCH	oklch(43.93% 0.137 268.9)
XYZ	xyz(9.9487, 8.0610, 32.9234)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#344A9D #9D8734

analogous

#347E9D #344A9D #53349D

triadic

#344A9D #9D344A #4A9D34

tetradic

#344A9D #9D347E #9D8734 #349D53

square

#344A9D #9D347E #9D8734 #349D53

split-complementary

#344A9D #9D5334 #7E9D34

monochromatic

#161F41 #25346F #344A9D #4B64C3 #798CD3

Accessibility & contrast

On white

8.04

#344A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#344A9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #344A9D

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##344A9D	#FFFFFF	#000000	##FFFFFF
##344A9D	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1655A0

Deuteranopia (green-blind)

#004C9B

Tritanopia (blue-blind)

#005E6C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #344a9d;
/* rgb */ color: rgb(52, 74, 157);
/* oklch */ color: oklch(43.9% 0.137 268.9);

Tailwind

colors: {
  custom: {
    50: '#777cba',
    500: '#344a9d',
    950: '#000000',
  },
}

SCSS

$custom: #344a9d;
$custom-light: #777cba;
$custom-dark: #000000;

JSON

{
  "hex": "#344a9d",
  "rgb": {
    "r": 52,
    "g": 74,
    "b": 157
  },
  "hsl": {
    "h": 227.429,
    "s": 50.239,
    "l": 40.98
  },
  "oklch": {
    "l": 0.43927,
    "c": 0.13736,
    "h": 268.9
  },
  "luminance": 0.08062
}

Semantic roles & 50–950 ramp

primary

#344A9D

secondary

#BBAC72

accent

#BC4EDA

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #344A9D

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

Preview Lab → · Contrast checker → · Palette generator →