#342FB1#342FB1

#342FB1 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.9% C 0.197 H 275.0°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#342FB1
RGB	rgb(52, 47, 177)
HSL	hsl(242, 58%, 44%)
HSV	hsv(242, 73%, 69%)
CMYK	cmyk(70.6%, 73.4%, 0%, 30.6%)
CIE-LAB	lab(29.25, 43.84, -67.78)
CIE-LCH	lch(29.25, 80.72, 302.89°)
OKLab	oklab(40.88% 0.0171 -0.196)
OKLCH	oklch(40.88% 0.197 275)
XYZ	xyz(10.3659, 5.9364, 42.1860)
Luminance	0.0594 (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

#342FB1 #ACB12F

analogous

#2F6BB1 #342FB1 #752FB1

triadic

#342FB1 #B1342F #2FB134

tetradic

#342FB1 #B12F6B #ACB12F #2FB175

square

#342FB1 #B12F6B #ACB12F #2FB175

split-complementary

#342FB1 #B1752F #6BB12F

monochromatic

#181550 #262281 #342FB1 #524DD0 #817EDD

Accessibility & contrast

On white

9.60

#342FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#342FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342FB1

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342FB1	#FFFFFF	#000000	##FFFFFF
##342FB1	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB5

Deuteranopia (green-blind)

#003FAF

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #342fb1;
/* rgb */ color: rgb(52, 47, 177);
/* oklch */ color: oklch(40.9% 0.197 275.0);

Tailwind

colors: {
  custom: {
    50: '#7e69ca',
    500: '#342fb1',
    950: '#000000',
  },
}

SCSS

$custom: #342fb1;
$custom-light: #7e69ca;
$custom-dark: #000000;

JSON

{
  "hex": "#342fb1",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 177
  },
  "hsl": {
    "h": 242.308,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40883,
    "c": 0.19671,
    "h": 275
  },
  "luminance": 0.05937
}

Semantic roles & 50–950 ramp

primary

#342FB1

secondary

#C2C576

accent

#E147DB

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #342FB1

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

Preview Lab → · Contrast checker → · Palette generator →