#343E83#343E83

#343E83 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.4% C 0.115 H 273.7°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#343E83
RGB	rgb(52, 62, 131)
HSL	hsl(232, 43%, 36%)
HSV	hsv(232, 60%, 51%)
CMYK	cmyk(60.3%, 52.7%, 0%, 48.6%)
CIE-LAB	lab(28.94, 18.20, -40.25)
CIE-LCH	lch(28.94, 44.18, 294.33°)
OKLab	oklab(39.43% 0.0075 -0.1152)
OKLCH	oklch(39.43% 0.115 273.7)
XYZ	xyz(7.2342, 5.8135, 22.2092)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343E83 #837934

analogous

#346583 #343E83 #513483

triadic

#343E83 #83343E #3E8334

tetradic

#343E83 #833465 #837934 #348351

square

#343E83 #833465 #837934 #348351

split-complementary

#343E83 #835134 #658334

monochromatic

#11152B #232957 #343E83 #4553AF #6D78C5

Accessibility & contrast

On white

9.71

#343E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#343E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343E83

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343E83	#FFFFFF	#000000	##FFFFFF
##343E83	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194885

Deuteranopia (green-blind)

#084182

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #343e83;
/* rgb */ color: rgb(52, 62, 131);
/* oklch */ color: oklch(39.4% 0.115 273.7);

Tailwind

colors: {
  custom: {
    50: '#7373a7',
    500: '#343e83',
    950: '#000000',
  },
}

SCSS

$custom: #343e83;
$custom-light: #7373a7;
$custom-dark: #000000;

JSON

{
  "hex": "#343e83",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 131
  },
  "hsl": {
    "h": 232.405,
    "s": 43.169,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39435,
    "c": 0.1154,
    "h": 273.7
  },
  "luminance": 0.05814
}

Semantic roles & 50–950 ramp

primary

#343E83

secondary

#ADA466

accent

#C355D3

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#09080F

muted

#7B7B7F

Preview Lab

Preview with #343E83

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

Preview Lab → · Contrast checker → · Palette generator →