#342EA5#342EA5

#342EA5 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.5% C 0.183 H 276.2°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#342EA5
RGB	rgb(52, 46, 165)
HSL	hsl(243, 56%, 41%)
HSV	hsv(243, 72%, 65%)
CMYK	cmyk(68.5%, 72.1%, 0%, 35.3%)
CIE-LAB	lab(27.84, 40.44, -62.89)
CIE-LCH	lch(27.84, 74.77, 302.74°)
OKLab	oklab(39.52% 0.0198 -0.1817)
OKLCH	oklch(39.52% 0.183 276.2)
XYZ	xyz(9.1825, 5.3998, 36.1484)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342EA5 #9FA52E

analogous

#2E64A5 #342EA5 #702EA5

triadic

#342EA5 #A5342E #2EA534

tetradic

#342EA5 #A52E64 #9FA52E #2EA570

square

#342EA5 #A52E64 #9FA52E #2EA570

split-complementary

#342EA5 #A5702E #64A52E

monochromatic

#161345 #252175 #342EA5 #4C45CB #7A75D8

Accessibility & contrast

On white

10.10

#342EA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#342EA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342EA5

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342EA5	#FFFFFF	#000000	##FFFFFF
##342EA5	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A9

Deuteranopia (green-blind)

#003CA3

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #342ea5;
/* rgb */ color: rgb(52, 46, 165);
/* oklch */ color: oklch(39.5% 0.183 276.2);

Tailwind

colors: {
  custom: {
    50: '#7b68c1',
    500: '#342ea5',
    950: '#000000',
  },
}

SCSS

$custom: #342ea5;
$custom-light: #7b68c1;
$custom-dark: #000000;

JSON

{
  "hex": "#342ea5",
  "rgb": {
    "r": 52,
    "g": 46,
    "b": 165
  },
  "hsl": {
    "h": 243.025,
    "s": 56.398,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39519,
    "c": 0.18278,
    "h": 276.2
  },
  "luminance": 0.05401
}

Semantic roles & 50–950 ramp

primary

#342EA5

secondary

#BCC06F

accent

#E048D8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #342EA5

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

Preview Lab → · Contrast checker → · Palette generator →