#342F9C#342F9C

#342F9C is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.8% C 0.170 H 277.0°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#342F9C
RGB	rgb(52, 47, 156)
HSL	hsl(243, 54%, 40%)
HSV	hsv(243, 70%, 61%)
CMYK	cmyk(66.7%, 69.9%, 0%, 38.8%)
CIE-LAB	lab(27.19, 36.82, -58.50)
CIE-LCH	lch(27.19, 69.12, 302.18°)
OKLab	oklab(38.79% 0.0206 -0.1689)
OKLCH	oklch(38.79% 0.17 277)
XYZ	xyz(8.4315, 5.1627, 31.9982)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342F9C #979C2F

analogous

#2F619C #342F9C #6A2F9C

triadic

#342F9C #9C342F #2F9C34

tetradic

#342F9C #9C2F61 #979C2F #2F9C6A

square

#342F9C #9C2F61 #979C2F #2F9C6A

split-complementary

#342F9C #9C6A2F #619C2F

monochromatic

#15133E #24216D #342F9C #4842C6 #7671D4

Accessibility & contrast

On white

10.33

#342F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#342F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342F9C

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342F9C	#FFFFFF	#000000	##FFFFFF
##342F9C	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459F

Deuteranopia (green-blind)

#003C9A

Tritanopia (blue-blind)

#004C62

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #342f9c;
/* rgb */ color: rgb(52, 47, 156);
/* oklch */ color: oklch(38.8% 0.170 277.0);

Tailwind

colors: {
  custom: {
    50: '#7968ba',
    500: '#342f9c',
    950: '#000000',
  },
}

SCSS

$custom: #342f9c;
$custom-light: #7968ba;
$custom-dark: #000000;

JSON

{
  "hex": "#342f9c",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 156
  },
  "hsl": {
    "h": 242.752,
    "s": 53.695,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38788,
    "c": 0.17011,
    "h": 277
  },
  "luminance": 0.05163
}

Semantic roles & 50–950 ramp

primary

#342F9C

secondary

#B8BC6B

accent

#DD4BD6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #342F9C

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

Preview Lab → · Contrast checker → · Palette generator →