#342AA4#342AA4

#342AA4 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.8% C 0.186 H 277.0°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#342AA4
RGB	rgb(52, 42, 164)
HSL	hsl(245, 59%, 40%)
HSV	hsv(245, 74%, 64%)
CMYK	cmyk(68.3%, 74.4%, 0%, 35.7%)
CIE-LAB	lab(26.92, 42.41, -63.81)
CIE-LCH	lch(26.92, 76.62, 303.61°)
OKLab	oklab(38.83% 0.0225 -0.1844)
OKLCH	oklch(38.83% 0.186 277)
XYZ	xyz(8.9428, 5.0655, 35.6212)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342AA4 #9AA42A

analogous

#2A5DA4 #342AA4 #712AA4

triadic

#342AA4 #A4342A #2AA434

tetradic

#342AA4 #A42A5D #9AA42A #2AA471

square

#342AA4 #A42A5D #9AA42A #2AA471

split-complementary

#342AA4 #A4712A #5DA42A

monochromatic

#151143 #251E73 #342AA4 #493ECD #776EDA

Accessibility & contrast

On white

10.43

#342AA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#342AA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342AA4

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342AA4	#FFFFFF	#000000	##FFFFFF
##342AA4	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A8

Deuteranopia (green-blind)

#003AA2

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #342aa4;
/* rgb */ color: rgb(52, 42, 164);
/* oklch */ color: oklch(38.8% 0.186 277.0);

Tailwind

colors: {
  custom: {
    50: '#7c66c0',
    500: '#342aa4',
    950: '#000000',
  },
}

SCSS

$custom: #342aa4;
$custom-light: #7c66c0;
$custom-dark: #000000;

JSON

{
  "hex": "#342aa4",
  "rgb": {
    "r": 52,
    "g": 42,
    "b": 164
  },
  "hsl": {
    "h": 244.918,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38831,
    "c": 0.18572,
    "h": 277
  },
  "luminance": 0.05066
}

Semantic roles & 50–950 ramp

primary

#342AA4

secondary

#BAC169

accent

#E245D6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #342AA4

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

Preview Lab → · Contrast checker → · Palette generator →