#343AA2#343AA2

#343AA2 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.165 H 274.0°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#343AA2
RGB	rgb(52, 58, 162)
HSL	hsl(237, 51%, 42%)
HSV	hsv(237, 68%, 64%)
CMYK	cmyk(67.9%, 64.2%, 0%, 36.5%)
CIE-LAB	lab(30.31, 32.00, -57.03)
CIE-LCH	lch(30.31, 65.39, 299.30°)
OKLab	oklab(41.22% 0.0116 -0.1645)
OKLCH	oklch(41.22% 0.165 274)
XYZ	xyz(9.4487, 6.3640, 34.9058)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343AA2 #A29C34

analogous

#3471A2 #343AA2 #6534A2

triadic

#343AA2 #A2343A #3AA234

tetradic

#343AA2 #A23471 #A29C34 #34A265

square

#343AA2 #A23471 #A29C34 #34A265

split-complementary

#343AA2 #A26534 #71A234

monochromatic

#161945 #252974 #343AA2 #4D54C6 #7C80D5

Accessibility & contrast

On white

9.24

#343AA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#343AA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343AA2

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343AA2	#FFFFFF	#000000	##FFFFFF
##343AA2	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA5

Deuteranopia (green-blind)

#0042A0

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #343aa2;
/* rgb */ color: rgb(52, 58, 162);
/* oklch */ color: oklch(41.2% 0.165 274.0);

Tailwind

colors: {
  custom: {
    50: '#7a70be',
    500: '#343aa2',
    950: '#000000',
  },
}

SCSS

$custom: #343aa2;
$custom-light: #7a70be;
$custom-dark: #000000;

JSON

{
  "hex": "#343aa2",
  "rgb": {
    "r": 52,
    "g": 58,
    "b": 162
  },
  "hsl": {
    "h": 236.727,
    "s": 51.402,
    "l": 41.961
  },
  "oklch": {
    "l": 0.41221,
    "c": 0.16493,
    "h": 274
  },
  "luminance": 0.06365
}

Semantic roles & 50–950 ramp

primary

#343AA2

secondary

#BEBA74

accent

#D34DDB

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #343AA2

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

Preview Lab → · Contrast checker → · Palette generator →