#342F87#342F87

#342F87 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.8% C 0.142 H 279.4°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#342F87
RGB	rgb(52, 47, 135)
HSL	hsl(243, 48%, 36%)
HSV	hsv(243, 65%, 53%)
CMYK	cmyk(61.5%, 65.2%, 0%, 47.1%)
CIE-LAB	lab(25.30, 29.61, -48.65)
CIE-LCH	lch(25.30, 56.95, 301.33°)
OKLab	oklab(36.83% 0.0231 -0.14)
OKLCH	oklch(36.83% 0.142 279.4)
XYZ	xyz(6.8045, 4.5119, 23.4293)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342F87 #82872F

analogous

#2F5687 #342F87 #602F87

triadic

#342F87 #87342F #2F8734

tetradic

#342F87 #872F56 #82872F #2F8760

square

#342F87 #872F56 #82872F #2F8760

split-complementary

#342F87 #87602F #56872F

monochromatic

#110F2C #231F5A #342F87 #453FB4 #6C66CA

Accessibility & contrast

On white

11.04

#342F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#342F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342F87

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342F87	#FFFFFF	#000000	##FFFFFF
##342F87	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8A

Deuteranopia (green-blind)

#003885

Tritanopia (blue-blind)

#004556

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #342f87;
/* rgb */ color: rgb(52, 47, 135);
/* oklch */ color: oklch(36.8% 0.142 279.4);

Tailwind

colors: {
  custom: {
    50: '#7568ab',
    500: '#342f87',
    950: '#000000',
  },
}

SCSS

$custom: #342f87;
$custom-light: #7568ab;
$custom-dark: #000000;

JSON

{
  "hex": "#342f87",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 135
  },
  "hsl": {
    "h": 243.409,
    "s": 48.352,
    "l": 35.686
  },
  "oklch": {
    "l": 0.36829,
    "c": 0.14187,
    "h": 279.4
  },
  "luminance": 0.04512
}

Semantic roles & 50–950 ramp

primary

#342F87

secondary

#ACB161

accent

#D850D0

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #342F87

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

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