#343C52#343C52

#343C52 is a dark, muted blue. Relative luminance 0.046; OKLCH L 35.9% C 0.040 H 268.9°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#343C52
RGB	rgb(52, 60, 82)
HSL	hsl(224, 22%, 26%)
HSV	hsv(224, 37%, 32%)
CMYK	cmyk(36.6%, 26.8%, 0%, 67.8%)
CIE-LAB	lab(25.48, 2.84, -14.38)
CIE-LCH	lch(25.48, 14.66, 281.16°)
OKLab	oklab(35.85% -0.0008 -0.0398)
OKLCH	oklch(35.85% 0.04 268.9)
XYZ	xyz(4.5546, 4.5708, 8.6233)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343C52 #524A34

analogous

#344B52 #343C52 #3B3452

triadic

#343C52 #52343C #3C5234

tetradic

#343C52 #52344B #524A34 #34523B

square

#343C52 #52344B #524A34 #34523B

split-complementary

#343C52 #523B34 #4B5234

monochromatic

#0C0E13 #1C212D #343C52 #4C5777 #64739D

Accessibility & contrast

On white

10.97

#343C52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#343C52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343C52

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343C52	#FFFFFF	#000000	##FFFFFF
##343C52	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E53

Deuteranopia (green-blind)

#323B51

Tritanopia (blue-blind)

#2B4044

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #343c52;
/* rgb */ color: rgb(52, 60, 82);
/* oklch */ color: oklch(35.9% 0.040 268.9);

Tailwind

colors: {
  custom: {
    50: '#6c7182',
    500: '#343c52',
    950: '#000000',
  },
}

SCSS

$custom: #343c52;
$custom-light: #6c7182;
$custom-dark: #000000;

JSON

{
  "hex": "#343c52",
  "rgb": {
    "r": 52,
    "g": 60,
    "b": 82
  },
  "hsl": {
    "h": 224,
    "s": 22.388,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35851,
    "c": 0.03982,
    "h": 268.9
  },
  "luminance": 0.04571
}

Semantic roles & 50–950 ramp

primary

#343C52

secondary

#83795F

accent

#A869BF

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#07070A

muted

#7A7A7C

Preview Lab

Preview with #343C52

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

Preview Lab → · Contrast checker → · Palette generator →