#342B9F#342B9F

#342B9F is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.5% C 0.178 H 277.4°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#342B9F
RGB	rgb(52, 43, 159)
HSL	hsl(245, 57%, 40%)
HSV	hsv(245, 73%, 62%)
CMYK	cmyk(67.3%, 73%, 0%, 37.6%)
CIE-LAB	lab(26.62, 40.20, -61.27)
CIE-LCH	lch(26.62, 73.28, 303.27°)
OKLab	oklab(38.47% 0.0229 -0.1769)
OKLCH	oklch(38.47% 0.178 277.4)
XYZ	xyz(8.5360, 4.9603, 33.3018)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342B9F #969F2B

analogous

#2B5C9F #342B9F #6E2B9F

triadic

#342B9F #9F342B #2B9F34

tetradic

#342B9F #9F2B5C #969F2B #2B9F6E

square

#342B9F #9F2B5C #969F2B #2B9F6E

split-complementary

#342B9F #9F6E2B #5C9F2B

monochromatic

#14113F #241E6F #342B9F #483DCA #756DD7

Accessibility & contrast

On white

10.54

#342B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#342B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342B9F

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342B9F	#FFFFFF	#000000	##FFFFFF
##342B9F	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A2

Deuteranopia (green-blind)

#003A9D

Tritanopia (blue-blind)

#004B62

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #342b9f;
/* rgb */ color: rgb(52, 43, 159);
/* oklch */ color: oklch(38.5% 0.178 277.4);

Tailwind

colors: {
  custom: {
    50: '#7a66bc',
    500: '#342b9f',
    950: '#000000',
  },
}

SCSS

$custom: #342b9f;
$custom-light: #7a66bc;
$custom-dark: #000000;

JSON

{
  "hex": "#342b9f",
  "rgb": {
    "r": 52,
    "g": 43,
    "b": 159
  },
  "hsl": {
    "h": 244.655,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38467,
    "c": 0.17841,
    "h": 277.4
  },
  "luminance": 0.04961
}

Semantic roles & 50–950 ramp

primary

#342B9F

secondary

#B8BE67

accent

#E147D5

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #342B9F

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

Preview Lab → · Contrast checker → · Palette generator →