#344FA3#344FA3

#344FA3 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.4% C 0.139 H 267.3°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#344FA3
RGB	rgb(52, 79, 163)
HSL	hsl(225, 52%, 42%)
HSV	hsv(225, 68%, 64%)
CMYK	cmyk(68.1%, 51.5%, 0%, 36.1%)
CIE-LAB	lab(35.92, 18.55, -48.53)
CIE-LCH	lch(35.92, 51.96, 290.92°)
OKLab	oklab(45.43% -0.0067 -0.1393)
OKLCH	oklch(45.43% 0.139 267.3)
XYZ	xyz(10.8207, 8.9653, 35.8035)
Luminance	0.0897 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#344FA3 #A38834

analogous

#3487A3 #344FA3 #5034A3

triadic

#344FA3 #A3344F #4FA334

tetradic

#344FA3 #A33487 #A38834 #34A350

square

#344FA3 #A33487 #A38834 #34A350

split-complementary

#344FA3 #A35034 #87A334

monochromatic

#162246 #253975 #344FA3 #4E6BC6 #7C92D5

Accessibility & contrast

On white

7.52

#344FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#344FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #344FA3

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##344FA3	#FFFFFF	#000000	##FFFFFF
##344FA3	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D5AA6

Deuteranopia (green-blind)

#0050A1

Tritanopia (blue-blind)

#006371

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #344fa3;
/* rgb */ color: rgb(52, 79, 163);
/* oklch */ color: oklch(45.4% 0.139 267.3);

Tailwind

colors: {
  custom: {
    50: '#787fbf',
    500: '#344fa3',
    950: '#000000',
  },
}

SCSS

$custom: #344fa3;
$custom-light: #787fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#344fa3",
  "rgb": {
    "r": 52,
    "g": 79,
    "b": 163
  },
  "hsl": {
    "h": 225.405,
    "s": 51.628,
    "l": 42.157
  },
  "oklch": {
    "l": 0.4543,
    "c": 0.13945,
    "h": 267.3
  },
  "luminance": 0.08966
}

Semantic roles & 50–950 ramp

primary

#344FA3

secondary

#BEAC75

accent

#B84DDB

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #344FA3

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

Preview Lab → · Contrast checker → · Palette generator →