#343C4C#343C4C

#343C4C is a dark, muted blue. Relative luminance 0.045; OKLCH L 35.6% C 0.030 H 264.1°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#343C4C
RGB	rgb(52, 60, 76)
HSL	hsl(220, 19%, 25%)
HSV	hsv(220, 32%, 30%)
CMYK	cmyk(31.6%, 21.1%, 0%, 70.2%)
CIE-LAB	lab(25.21, 1.03, -10.84)
CIE-LCH	lch(25.21, 10.88, 275.45°)
OKLab	oklab(35.56% -0.0031 -0.0298)
OKLCH	oklch(35.56% 0.03 264.1)
XYZ	xyz(4.3362, 4.4834, 7.4730)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343C4C #4C4434

analogous

#34484C #343C4C #38344C

triadic

#343C4C #4C343C #3C4C34

tetradic

#343C4C #4C3448 #4C4434 #344C38

square

#343C4C #4C3448 #4C4434 #344C38

split-complementary

#343C4C #4C3834 #484C34

monochromatic

#0C0E12 #1B1F28 #343C4C #4D5970 #667595

Accessibility & contrast

On white

11.07

#343C4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#343C4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343C4C

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343C4C	#FFFFFF	#000000	##FFFFFF
##343C4C	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373D4D

Deuteranopia (green-blind)

#353B4C

Tritanopia (blue-blind)

#2D3F41

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #343c4c;
/* rgb */ color: rgb(52, 60, 76);
/* oklch */ color: oklch(35.6% 0.030 264.1);

Tailwind

colors: {
  custom: {
    50: '#6c717e',
    500: '#343c4c',
    950: '#000000',
  },
}

SCSS

$custom: #343c4c;
$custom-light: #6c717e;
$custom-dark: #000000;

JSON

{
  "hex": "#343c4c",
  "rgb": {
    "r": 52,
    "g": 60,
    "b": 76
  },
  "hsl": {
    "h": 220,
    "s": 18.75,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35555,
    "c": 0.02993,
    "h": 264.1
  },
  "luminance": 0.04484
}

Semantic roles & 50–950 ramp

primary

#343C4C

secondary

#7C735F

accent

#A16CBB

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#070709

muted

#7A7A7B

Preview Lab

Preview with #343C4C

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

Preview Lab → · Contrast checker → · Palette generator →