#342FAC#342FAC

#342FAC is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.4% C 0.191 H 275.4°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#342FAC
RGB	rgb(52, 47, 172)
HSL	hsl(242, 57%, 43%)
HSV	hsv(242, 73%, 67%)
CMYK	cmyk(69.8%, 72.7%, 0%, 32.5%)
CIE-LAB	lab(28.75, 42.19, -65.62)
CIE-LCH	lch(28.75, 78.01, 302.74°)
OKLab	oklab(40.37% 0.018 -0.1897)
OKLCH	oklch(40.37% 0.191 275.4)
XYZ	xyz(9.8766, 5.7407, 39.6093)
Luminance	0.0574 (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

#342FAC #A7AC2F

analogous

#2F68AC #342FAC #722FAC

triadic

#342FAC #AC342F #2FAC34

tetradic

#342FAC #AC2F68 #A7AC2F #2FAC72

square

#342FAC #AC2F68 #A7AC2F #2FAC72

split-complementary

#342FAC #AC722F #68AC2F

monochromatic

#17154C #25227C #342FAC #504BCE #7E7BDB

Accessibility & contrast

On white

9.77

#342FAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#342FAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342FAC

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342FAC	#FFFFFF	#000000	##FFFFFF
##342FAC	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B0

Deuteranopia (green-blind)

#003EAA

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #342fac;
/* rgb */ color: rgb(52, 47, 172);
/* oklch */ color: oklch(40.4% 0.191 275.4);

Tailwind

colors: {
  custom: {
    50: '#7d69c6',
    500: '#342fac',
    950: '#000000',
  },
}

SCSS

$custom: #342fac;
$custom-light: #7d69c6;
$custom-dark: #000000;

JSON

{
  "hex": "#342fac",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 172
  },
  "hsl": {
    "h": 242.4,
    "s": 57.078,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40374,
    "c": 0.19051,
    "h": 275.4
  },
  "luminance": 0.05742
}

Semantic roles & 50–950 ramp

primary

#342FAC

secondary

#C0C374

accent

#E047DA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #342FAC

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

Preview Lab → · Contrast checker → · Palette generator →