#343A7B#343A7B

#343A7B is a dark, moderate blue. Relative luminance 0.052; OKLCH L 38.0% C 0.109 H 275.9°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#343A7B
RGB	rgb(52, 58, 123)
HSL	hsl(235, 41%, 34%)
HSV	hsv(235, 58%, 48%)
CMYK	cmyk(57.7%, 52.8%, 0%, 51.8%)
CIE-LAB	lab(27.26, 18.05, -37.95)
CIE-LCH	lch(27.26, 42.02, 295.44°)
OKLab	oklab(37.99% 0.0113 -0.1084)
OKLCH	oklch(37.99% 0.109 275.9)
XYZ	xyz(6.5032, 5.1858, 19.3933)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343A7B #7B7534

analogous

#345E7B #343A7B #52347B

triadic

#343A7B #7B343A #3A7B34

tetradic

#343A7B #7B345E #7B7534 #347B52

square

#343A7B #7B345E #7B7534 #347B52

split-complementary

#343A7B #7B5234 #5E7B34

monochromatic

#101125 #222650 #343A7B #464EA6 #6A71C0

Accessibility & contrast

On white

10.31

#343A7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#343A7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343A7B

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343A7B	#FFFFFF	#000000	##FFFFFF
##343A7B	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18437D

Deuteranopia (green-blind)

#0D3E7A

Tritanopia (blue-blind)

#0E4954

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #343a7b;
/* rgb */ color: rgb(52, 58, 123);
/* oklch */ color: oklch(38.0% 0.109 275.9);

Tailwind

colors: {
  custom: {
    50: '#7270a2',
    500: '#343a7b',
    950: '#000000',
  },
}

SCSS

$custom: #343a7b;
$custom-light: #7270a2;
$custom-dark: #000000;

JSON

{
  "hex": "#343a7b",
  "rgb": {
    "r": 52,
    "g": 58,
    "b": 123
  },
  "hsl": {
    "h": 234.93,
    "s": 40.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.3799,
    "c": 0.10901,
    "h": 275.9
  },
  "luminance": 0.05186
}

Semantic roles & 50–950 ramp

primary

#343A7B

secondary

#A8A263

accent

#C657D0

background

#F7F6FA

surface

#EDECF3

border

#C8C7CD

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #343A7B

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

Preview Lab → · Contrast checker → · Palette generator →