#342F91#342F91

#342F91 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.7% C 0.156 H 278.2°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#342F91
RGB	rgb(52, 47, 145)
HSL	hsl(243, 51%, 38%)
HSV	hsv(243, 68%, 57%)
CMYK	cmyk(64.1%, 67.6%, 0%, 43.1%)
CIE-LAB	lab(26.18, 33.06, -53.41)
CIE-LCH	lch(26.18, 62.82, 301.75°)
OKLab	oklab(37.74% 0.0221 -0.154)
OKLCH	oklch(37.74% 0.156 278.2)
XYZ	xyz(7.5419, 4.8068, 27.3129)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342F91 #8C912F

analogous

#2F5B91 #342F91 #652F91

triadic

#342F91 #91342F #2F9134

tetradic

#342F91 #912F5B #8C912F #2F9165

square

#342F91 #912F5B #8C912F #2F9165

split-complementary

#342F91 #91652F #5B912F

monochromatic

#131135 #232063 #342F91 #453EBF #706BCF

Accessibility & contrast

On white

10.71

#342F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#342F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342F91

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342F91	#FFFFFF	#000000	##FFFFFF
##342F91	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004294

Deuteranopia (green-blind)

#003A8F

Tritanopia (blue-blind)

#00485C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #342f91;
/* rgb */ color: rgb(52, 47, 145);
/* oklch */ color: oklch(37.7% 0.156 278.2);

Tailwind

colors: {
  custom: {
    50: '#7768b2',
    500: '#342f91',
    950: '#000000',
  },
}

SCSS

$custom: #342f91;
$custom-light: #7768b2;
$custom-dark: #000000;

JSON

{
  "hex": "#342f91",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 145
  },
  "hsl": {
    "h": 243.061,
    "s": 51.042,
    "l": 37.647
  },
  "oklch": {
    "l": 0.37743,
    "c": 0.15554,
    "h": 278.2
  },
  "luminance": 0.04807
}

Semantic roles & 50–950 ramp

primary

#342F91

secondary

#B2B665

accent

#DB4DD3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #342F91

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

Preview Lab → · Contrast checker → · Palette generator →