#342FA1#342FA1

#342FA1 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.3% C 0.177 H 276.5°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#342FA1
RGB	rgb(52, 47, 161)
HSL	hsl(243, 55%, 41%)
HSV	hsv(243, 71%, 63%)
CMYK	cmyk(67.7%, 70.8%, 0%, 36.9%)
CIE-LAB	lab(27.67, 38.51, -60.76)
CIE-LCH	lch(27.67, 71.93, 302.37°)
OKLab	oklab(39.28% 0.0198 -0.1755)
OKLCH	oklch(39.28% 0.177 276.5)
XYZ	xyz(8.8636, 5.3355, 34.2741)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342FA1 #9CA12F

analogous

#2F63A1 #342FA1 #6D2FA1

triadic

#342FA1 #A1342F #2FA134

tetradic

#342FA1 #A12F63 #9CA12F #2FA16D

square

#342FA1 #A12F63 #9CA12F #2FA16D

split-complementary

#342FA1 #A16D2F #63A12F

monochromatic

#151342 #252172 #342FA1 #4A45C9 #7874D6

Accessibility & contrast

On white

10.16

#342FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#342FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342FA1

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342FA1	#FFFFFF	#000000	##FFFFFF
##342FA1	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A4

Deuteranopia (green-blind)

#003C9F

Tritanopia (blue-blind)

#004E64

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #342fa1;
/* rgb */ color: rgb(52, 47, 161);
/* oklch */ color: oklch(39.3% 0.177 276.5);

Tailwind

colors: {
  custom: {
    50: '#7a69be',
    500: '#342fa1',
    950: '#000000',
  },
}

SCSS

$custom: #342fa1;
$custom-light: #7a69be;
$custom-dark: #000000;

JSON

{
  "hex": "#342fa1",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 161
  },
  "hsl": {
    "h": 242.632,
    "s": 54.808,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39276,
    "c": 0.17658,
    "h": 276.5
  },
  "luminance": 0.05336
}

Semantic roles & 50–950 ramp

primary

#342FA1

secondary

#BBBE6E

accent

#DE4AD8

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #342FA1

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

Preview Lab → · Contrast checker → · Palette generator →