#343C50#343C50

#343C50 is a dark, muted blue. Relative luminance 0.045; OKLCH L 35.8% C 0.036 H 267.6°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#343C50
RGB	rgb(52, 60, 80)
HSL	hsl(223, 21%, 26%)
HSV	hsv(223, 35%, 31%)
CMYK	cmyk(35%, 25%, 0%, 68.6%)
CIE-LAB	lab(25.38, 2.23, -13.20)
CIE-LCH	lch(25.38, 13.39, 279.57°)
OKLab	oklab(35.75% -0.0015 -0.0365)
OKLCH	oklch(35.75% 0.037 267.6)
XYZ	xyz(4.4796, 4.5408, 8.2283)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343C50 #504834

analogous

#344A50 #343C50 #3A3450

triadic

#343C50 #50343C #3C5034

tetradic

#343C50 #50344A #504834 #34503A

square

#343C50 #50344A #504834 #34503A

split-complementary

#343C50 #503A34 #4A5034

monochromatic

#0C0E13 #1C202B #343C50 #4C5875 #64749A

Accessibility & contrast

On white

11.01

#343C50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#343C50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343C50

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343C50	#FFFFFF	#000000	##FFFFFF
##343C50	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363E51

Deuteranopia (green-blind)

#333B50

Tritanopia (blue-blind)

#2C4043

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #343c50;
/* rgb */ color: rgb(52, 60, 80);
/* oklch */ color: oklch(35.8% 0.036 267.6);

Tailwind

colors: {
  custom: {
    50: '#6c7181',
    500: '#343c50',
    950: '#000000',
  },
}

SCSS

$custom: #343c50;
$custom-light: #6c7181;
$custom-dark: #000000;

JSON

{
  "hex": "#343c50",
  "rgb": {
    "r": 52,
    "g": 60,
    "b": 80
  },
  "hsl": {
    "h": 222.857,
    "s": 21.212,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3575,
    "c": 0.0365,
    "h": 267.6
  },
  "luminance": 0.04541
}

Semantic roles & 50–950 ramp

primary

#343C50

secondary

#81775F

accent

#A66ABE

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#07070A

muted

#7A7A7C

Preview Lab

Preview with #343C50

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

Preview Lab → · Contrast checker → · Palette generator →