#342FAB#342FAB

#342FAB is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.3% C 0.189 H 275.5°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#342FAB
RGB	rgb(52, 47, 171)
HSL	hsl(242, 57%, 43%)
HSV	hsv(242, 73%, 67%)
CMYK	cmyk(69.6%, 72.5%, 0%, 32.9%)
CIE-LAB	lab(28.65, 41.85, -65.18)
CIE-LCH	lch(28.65, 77.46, 302.70°)
OKLab	oklab(40.27% 0.0182 -0.1884)
OKLCH	oklch(40.27% 0.189 275.5)
XYZ	xyz(9.7810, 5.7025, 39.1054)
Luminance	0.0570 (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

#342FAB #A6AB2F

analogous

#2F68AB #342FAB #722FAB

triadic

#342FAB #AB342F #2FAB34

tetradic

#342FAB #AB2F68 #A6AB2F #2FAB72

square

#342FAB #AB2F68 #A6AB2F #2FAB72

split-complementary

#342FAB #AB722F #68AB2F

monochromatic

#17154B #25227B #342FAB #4F4ACD #7E7ADA

Accessibility & contrast

On white

9.81

#342FAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#342FAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342FAB

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342FAB	#FFFFFF	#000000	##FFFFFF
##342FAB	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AF

Deuteranopia (green-blind)

#003EA9

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #342fab;
/* rgb */ color: rgb(52, 47, 171);
/* oklch */ color: oklch(40.3% 0.189 275.5);

Tailwind

colors: {
  custom: {
    50: '#7d69c5',
    500: '#342fab',
    950: '#000000',
  },
}

SCSS

$custom: #342fab;
$custom-light: #7d69c5;
$custom-dark: #000000;

JSON

{
  "hex": "#342fab",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 171
  },
  "hsl": {
    "h": 242.419,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40273,
    "c": 0.18926,
    "h": 275.5
  },
  "luminance": 0.05703
}

Semantic roles & 50–950 ramp

primary

#342FAB

secondary

#C0C373

accent

#E048DA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #342FAB

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

Preview Lab → · Contrast checker → · Palette generator →