#342F88#342F88

#342F88 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.9% C 0.143 H 279.2°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#342F88
RGB	rgb(52, 47, 136)
HSL	hsl(243, 49%, 36%)
HSV	hsv(243, 65%, 53%)
CMYK	cmyk(61.8%, 65.4%, 0%, 46.7%)
CIE-LAB	lab(25.38, 29.96, -49.13)
CIE-LCH	lch(25.38, 57.54, 301.37°)
OKLab	oklab(36.92% 0.023 -0.1414)
OKLCH	oklch(36.92% 0.143 279.2)
XYZ	xyz(6.8752, 4.5402, 23.8018)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342F88 #83882F

analogous

#2F5688 #342F88 #602F88

triadic

#342F88 #88342F #2F8834

tetradic

#342F88 #882F56 #83882F #2F8860

square

#342F88 #882F56 #83882F #2F8860

split-complementary

#342F88 #88602F #56882F

monochromatic

#11102D #231F5B #342F88 #453FB5 #6D67CA

Accessibility & contrast

On white

11.01

#342F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#342F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342F88

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342F88	#FFFFFF	#000000	##FFFFFF
##342F88	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408B

Deuteranopia (green-blind)

#003986

Tritanopia (blue-blind)

#004557

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #342f88;
/* rgb */ color: rgb(52, 47, 136);
/* oklch */ color: oklch(36.9% 0.143 279.2);

Tailwind

colors: {
  custom: {
    50: '#7568ab',
    500: '#342f88',
    950: '#000000',
  },
}

SCSS

$custom: #342f88;
$custom-light: #7568ab;
$custom-dark: #000000;

JSON

{
  "hex": "#342f88",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 136
  },
  "hsl": {
    "h": 243.371,
    "s": 48.634,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36919,
    "c": 0.14326,
    "h": 279.2
  },
  "luminance": 0.04541
}

Semantic roles & 50–950 ramp

primary

#342F88

secondary

#ADB161

accent

#D850D1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #342F88

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

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