#343C4E#343C4E

#343C4E is a dark, muted blue. Relative luminance 0.045; OKLCH L 35.7% C 0.033 H 266.0°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#343C4E
RGB	rgb(52, 60, 78)
HSL	hsl(222, 20%, 25%)
HSV	hsv(222, 33%, 31%)
CMYK	cmyk(33.3%, 23.1%, 0%, 69.4%)
CIE-LAB	lab(25.30, 1.63, -12.02)
CIE-LCH	lch(25.30, 12.13, 277.70°)
OKLab	oklab(35.65% -0.0023 -0.0331)
OKLCH	oklch(35.65% 0.033 266)
XYZ	xyz(4.4068, 4.5117, 7.8449)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343C4E #4E4634

analogous

#34494E #343C4E #39344E

triadic

#343C4E #4E343C #3C4E34

tetradic

#343C4E #4E3449 #4E4634 #344E39

square

#343C4E #4E3449 #4E4634 #344E39

split-complementary

#343C4E #4E3934 #494E34

monochromatic

#0C0E12 #1C2029 #343C4E #4C5873 #657497

Accessibility & contrast

On white

11.04

#343C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#343C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343C4E

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343C4E	#FFFFFF	#000000	##FFFFFF
##343C4E	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363D4F

Deuteranopia (green-blind)

#343B4E

Tritanopia (blue-blind)

#2D4042

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #343c4e;
/* rgb */ color: rgb(52, 60, 78);
/* oklch */ color: oklch(35.7% 0.033 266.0);

Tailwind

colors: {
  custom: {
    50: '#6c717f',
    500: '#343c4e',
    950: '#000000',
  },
}

SCSS

$custom: #343c4e;
$custom-light: #6c717f;
$custom-dark: #000000;

JSON

{
  "hex": "#343c4e",
  "rgb": {
    "r": 52,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 221.538,
    "s": 20,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35651,
    "c": 0.0332,
    "h": 266
  },
  "luminance": 0.04512
}

Semantic roles & 50–950 ramp

primary

#343C4E

secondary

#7E755F

accent

#A46BBD

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#07070A

muted

#7A7A7C

Preview Lab

Preview with #343C4E

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

Preview Lab → · Contrast checker → · Palette generator →