#343C7E#343C7E

#343C7E is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.6% C 0.111 H 274.8°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#343C7E
RGB	rgb(52, 60, 126)
HSL	hsl(234, 42%, 35%)
HSV	hsv(234, 59%, 49%)
CMYK	cmyk(58.7%, 52.4%, 0%, 50.6%)
CIE-LAB	lab(28.03, 17.76, -38.59)
CIE-LCH	lch(28.03, 42.48, 294.71°)
OKLab	oklab(38.64% 0.0092 -0.1103)
OKLCH	oklch(38.64% 0.111 274.8)
XYZ	xyz(6.7967, 5.4677, 20.4318)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343C7E #7E7634

analogous

#34617E #343C7E #51347E

triadic

#343C7E #7E343C #3C7E34

tetradic

#343C7E #7E3461 #7E7634 #347E51

square

#343C7E #7E3461 #7E7634 #347E51

split-complementary

#343C7E #7E5134 #617E34

monochromatic

#101327 #222753 #343C7E #4651A9 #6B74C2

Accessibility & contrast

On white

10.03

#343C7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#343C7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343C7E

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343C7E	#FFFFFF	#000000	##FFFFFF
##343C7E	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4580

Deuteranopia (green-blind)

#0D3F7D

Tritanopia (blue-blind)

#084B57

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #343c7e;
/* rgb */ color: rgb(52, 60, 126);
/* oklch */ color: oklch(38.6% 0.111 274.8);

Tailwind

colors: {
  custom: {
    50: '#7271a4',
    500: '#343c7e',
    950: '#000000',
  },
}

SCSS

$custom: #343c7e;
$custom-light: #7271a4;
$custom-dark: #000000;

JSON

{
  "hex": "#343c7e",
  "rgb": {
    "r": 52,
    "g": 60,
    "b": 126
  },
  "hsl": {
    "h": 233.514,
    "s": 41.573,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38638,
    "c": 0.11069,
    "h": 274.8
  },
  "luminance": 0.05468
}

Semantic roles & 50–950 ramp

primary

#343C7E

secondary

#AAA264

accent

#C456D1

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #343C7E

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

Preview Lab → · Contrast checker → · Palette generator →