#342F8E#342F8E

#342F8E is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.5% C 0.151 H 278.5°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#342F8E
RGB	rgb(52, 47, 142)
HSL	hsl(243, 50%, 37%)
HSV	hsv(243, 67%, 56%)
CMYK	cmyk(63.4%, 66.9%, 0%, 44.3%)
CIE-LAB	lab(25.91, 32.03, -52.00)
CIE-LCH	lch(25.91, 61.07, 301.63°)
OKLab	oklab(37.46% 0.0224 -0.1498)
OKLCH	oklch(37.46% 0.151 278.5)
XYZ	xyz(7.3136, 4.7155, 26.1107)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342F8E #898E2F

analogous

#2F5A8E #342F8E #642F8E

triadic

#342F8E #8E342F #2F8E34

tetradic

#342F8E #8E2F5A #898E2F #2F8E64

square

#342F8E #8E2F5A #898E2F #2F8E64

split-complementary

#342F8E #8E642F #5A8E2F

monochromatic

#121132 #232060 #342F8E #453EBC #6F6ACE

Accessibility & contrast

On white

10.81

#342F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#342F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342F8E

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342F8E	#FFFFFF	#000000	##FFFFFF
##342F8E	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004191

Deuteranopia (green-blind)

#00398C

Tritanopia (blue-blind)

#00475A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #342f8e;
/* rgb */ color: rgb(52, 47, 142);
/* oklch */ color: oklch(37.5% 0.151 278.5);

Tailwind

colors: {
  custom: {
    50: '#7668b0',
    500: '#342f8e',
    950: '#000000',
  },
}

SCSS

$custom: #342f8e;
$custom-light: #7668b0;
$custom-dark: #000000;

JSON

{
  "hex": "#342f8e",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 142
  },
  "hsl": {
    "h": 243.158,
    "s": 50.265,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37465,
    "c": 0.15149,
    "h": 278.5
  },
  "luminance": 0.04716
}

Semantic roles & 50–950 ramp

primary

#342F8E

secondary

#B0B564

accent

#DA4ED2

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #342F8E

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

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