#343D64#343D64

#343D64 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.1% C 0.068 H 272.8°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#343D64
RGB	rgb(52, 61, 100)
HSL	hsl(229, 32%, 30%)
HSV	hsv(229, 48%, 39%)
CMYK	cmyk(48%, 39%, 0%, 60.8%)
CIE-LAB	lab(26.70, 7.98, -24.18)
CIE-LCH	lch(26.70, 25.47, 288.27°)
OKLab	oklab(37.1% 0.0034 -0.0681)
OKLCH	oklch(37.1% 0.068 272.8)
XYZ	xyz(5.3845, 4.9874, 12.7331)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343D64 #645B34

analogous

#345564 #343D64 #433464

triadic

#343D64 #64343D #3D6434

tetradic

#343D64 #643455 #645B34 #346443

square

#343D64 #643455 #645B34 #346443

split-complementary

#343D64 #644334 #556434

monochromatic

#0A0C14 #1F243C #343D64 #49568C #6472AE

Accessibility & contrast

On white

10.51

#343D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#343D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343D64

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343D64	#FFFFFF	#000000	##FFFFFF
##343D64	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4166

Deuteranopia (green-blind)

#2B3D63

Tritanopia (blue-blind)

#23454B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #343d64;
/* rgb */ color: rgb(52, 61, 100);
/* oklch */ color: oklch(37.1% 0.068 272.8);

Tailwind

colors: {
  custom: {
    50: '#6e7290',
    500: '#343d64',
    950: '#000000',
  },
}

SCSS

$custom: #343d64;
$custom-light: #6e7290;
$custom-dark: #000000;

JSON

{
  "hex": "#343d64",
  "rgb": {
    "r": 52,
    "g": 61,
    "b": 100
  },
  "hsl": {
    "h": 228.75,
    "s": 31.579,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37099,
    "c": 0.06816,
    "h": 272.8
  },
  "luminance": 0.04988
}

Semantic roles & 50–950 ramp

primary

#343D64

secondary

#958B5F

accent

#B460C8

background

#F6F6F8

surface

#ECECF0

border

#C7C7CB

text

#07070C

muted

#7A7A7D

Preview Lab

Preview with #343D64

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

Preview Lab → · Contrast checker → · Palette generator →