#342FA5#342FA5

#342FA5 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.7% C 0.182 H 276.1°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#342FA5
RGB	rgb(52, 47, 165)
HSL	hsl(243, 56%, 42%)
HSV	hsv(243, 72%, 65%)
CMYK	cmyk(68.5%, 71.5%, 0%, 35.3%)
CIE-LAB	lab(28.06, 39.85, -62.54)
CIE-LCH	lch(28.06, 74.16, 302.51°)
OKLab	oklab(39.67% 0.0192 -0.1807)
OKLCH	oklch(39.67% 0.182 276.1)
XYZ	xyz(9.2220, 5.4789, 36.1616)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342FA5 #A0A52F

analogous

#2F65A5 #342FA5 #6F2FA5

triadic

#342FA5 #A5342F #2FA534

tetradic

#342FA5 #A52F65 #A0A52F #2FA56F

square

#342FA5 #A52F65 #A0A52F #2FA56F

split-complementary

#342FA5 #A56F2F #65A52F

monochromatic

#161446 #252175 #342FA5 #4C47CB #7A76D8

Accessibility & contrast

On white

10.02

#342FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#342FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342FA5

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342FA5	#FFFFFF	#000000	##FFFFFF
##342FA5	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A9

Deuteranopia (green-blind)

#003DA3

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #342fa5;
/* rgb */ color: rgb(52, 47, 165);
/* oklch */ color: oklch(39.7% 0.182 276.1);

Tailwind

colors: {
  custom: {
    50: '#7b69c1',
    500: '#342fa5',
    950: '#000000',
  },
}

SCSS

$custom: #342fa5;
$custom-light: #7b69c1;
$custom-dark: #000000;

JSON

{
  "hex": "#342fa5",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 165
  },
  "hsl": {
    "h": 242.542,
    "s": 55.66,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39672,
    "c": 0.1817,
    "h": 276.1
  },
  "luminance": 0.0548
}

Semantic roles & 50–950 ramp

primary

#342FA5

secondary

#BDC070

accent

#DF49D9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #342FA5

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

Preview Lab → · Contrast checker → · Palette generator →