#343C56#343C56

#343C56 is a dark, muted blue. Relative luminance 0.046; OKLCH L 36.1% C 0.046 H 270.8°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#343C56
RGB	rgb(52, 60, 86)
HSL	hsl(226, 25%, 27%)
HSV	hsv(226, 40%, 34%)
CMYK	cmyk(39.5%, 30.2%, 0%, 66.3%)
CIE-LAB	lab(25.66, 4.08, -16.71)
CIE-LCH	lch(25.66, 17.20, 283.73°)
OKLab	oklab(36.06% 0.0006 -0.0465)
OKLCH	oklch(36.06% 0.046 270.8)
XYZ	xyz(4.7113, 4.6335, 9.4484)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343C56 #564E34

analogous

#344D56 #343C56 #3D3456

triadic

#343C56 #56343C #3C5634

tetradic

#343C56 #56344D #564E34 #34563D

square

#343C56 #56344D #564E34 #34563D

split-complementary

#343C56 #563D34 #4D5634

monochromatic

#0C0D13 #1D2130 #343C56 #4B577C #6372A1

Accessibility & contrast

On white

10.90

#343C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#343C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343C56

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343C56	#FFFFFF	#000000	##FFFFFF
##343C56	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343E57

Deuteranopia (green-blind)

#313B55

Tritanopia (blue-blind)

#2A4145

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #343c56;
/* rgb */ color: rgb(52, 60, 86);
/* oklch */ color: oklch(36.1% 0.046 270.8);

Tailwind

colors: {
  custom: {
    50: '#6d7185',
    500: '#343c56',
    950: '#000000',
  },
}

SCSS

$custom: #343c56;
$custom-light: #6d7185;
$custom-dark: #000000;

JSON

{
  "hex": "#343c56",
  "rgb": {
    "r": 52,
    "g": 60,
    "b": 86
  },
  "hsl": {
    "h": 225.882,
    "s": 24.638,
    "l": 27.059
  },
  "oklch": {
    "l": 0.3606,
    "c": 0.04648,
    "h": 270.8
  },
  "luminance": 0.04634
}

Semantic roles & 50–950 ramp

primary

#343C56

secondary

#877D5F

accent

#AC67C1

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#07070B

muted

#7A7A7C

Preview Lab

Preview with #343C56

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

Preview Lab → · Contrast checker → · Palette generator →