#343BBE#343BBE

#343BBE is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.0% C 0.200 H 272.4°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#343BBE
RGB	rgb(52, 59, 190)
HSL	hsl(237, 57%, 47%)
HSV	hsv(237, 73%, 75%)
CMYK	cmyk(72.6%, 68.9%, 0%, 25.5%)
CIE-LAB	lab(33.08, 41.16, -69.18)
CIE-LCH	lch(33.08, 80.50, 300.75°)
OKLab	oklab(44.01% 0.0083 -0.2001)
OKLCH	oklch(44.01% 0.2 272.4)
XYZ	xyz(12.2713, 7.5745, 49.5205)
Luminance	0.0758 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343BBE #BEB734

analogous

#3480BE #343BBE #7234BE

triadic

#343BBE #BE343B #3BBE34

tetradic

#343BBE #BE3480 #BEB734 #34BE72

square

#343BBE #BE3480 #BEB734 #34BE72

split-complementary

#343BBE #BE7234 #80BE34

monochromatic

#1A1D5E #272C8E #343BBE #5D63D3 #8D91E0

Accessibility & contrast

On white

8.35

#343BBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#343BBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343BBE

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343BBE	#FFFFFF	#000000	##FFFFFF
##343BBE	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C2

Deuteranopia (green-blind)

#0047BC

Tritanopia (blue-blind)

#005F78

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #343bbe;
/* rgb */ color: rgb(52, 59, 190);
/* oklch */ color: oklch(44.0% 0.200 272.4);

Tailwind

colors: {
  custom: {
    50: '#8072d3',
    500: '#343bbe',
    950: '#000000',
  },
}

SCSS

$custom: #343bbe;
$custom-light: #8072d3;
$custom-dark: #000000;

JSON

{
  "hex": "#343bbe",
  "rgb": {
    "r": 52,
    "g": 59,
    "b": 190
  },
  "hsl": {
    "h": 236.957,
    "s": 57.025,
    "l": 47.451
  },
  "oklch": {
    "l": 0.4401,
    "c": 0.20026,
    "h": 272.4
  },
  "luminance": 0.07576
}

Semantic roles & 50–950 ramp

primary

#343BBE

secondary

#CAC784

accent

#D948E0

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #343BBE

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

Preview Lab → · Contrast checker → · Palette generator →