#342DAB#342DAB

#342DAB is a dark, vivid blue. Relative luminance 0.055; OKLCH L 40.0% C 0.191 H 275.8°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#342DAB
RGB	rgb(52, 45, 171)
HSL	hsl(243, 58%, 42%)
HSV	hsv(243, 74%, 67%)
CMYK	cmyk(69.6%, 73.7%, 0%, 32.9%)
CIE-LAB	lab(28.24, 43.00, -65.86)
CIE-LCH	lch(28.24, 78.66, 303.14°)
OKLab	oklab(39.98% 0.0193 -0.1904)
OKLCH	oklch(39.98% 0.191 275.8)
XYZ	xyz(9.7028, 5.5462, 39.0794)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342DAB #A4AB2D

analogous

#2D65AB #342DAB #732DAB

triadic

#342DAB #AB342D #2DAB34

tetradic

#342DAB #AB2D65 #A4AB2D #2DAB73

square

#342DAB #AB2D65 #A4AB2D #2DAB73

split-complementary

#342DAB #AB732D #65AB2D

monochromatic

#17144A #25207B #342DAB #4E47CE #7D77DB

Accessibility & contrast

On white

9.96

#342DAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#342DAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342DAB

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342DAB	#FFFFFF	#000000	##FFFFFF
##342DAB	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AF

Deuteranopia (green-blind)

#003DA9

Tritanopia (blue-blind)

#005169

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #342dab;
/* rgb */ color: rgb(52, 45, 171);
/* oklch */ color: oklch(40.0% 0.191 275.8);

Tailwind

colors: {
  custom: {
    50: '#7d68c5',
    500: '#342dab',
    950: '#000000',
  },
}

SCSS

$custom: #342dab;
$custom-light: #7d68c5;
$custom-dark: #000000;

JSON

{
  "hex": "#342dab",
  "rgb": {
    "r": 52,
    "g": 45,
    "b": 171
  },
  "hsl": {
    "h": 243.333,
    "s": 58.333,
    "l": 42.353
  },
  "oklch": {
    "l": 0.3998,
    "c": 0.19134,
    "h": 275.8
  },
  "luminance": 0.05547
}

Semantic roles & 50–950 ramp

primary

#342DAB

secondary

#BFC371

accent

#E246D9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #342DAB

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

Preview Lab → · Contrast checker → · Palette generator →