#343A90#343A90

#343A90 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.7% C 0.140 H 275.0°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#343A90
RGB	rgb(52, 58, 144)
HSL	hsl(236, 47%, 38%)
HSV	hsv(236, 64%, 56%)
CMYK	cmyk(63.9%, 59.7%, 0%, 43.5%)
CIE-LAB	lab(28.82, 25.57, -48.49)
CIE-LCH	lch(28.82, 54.82, 297.81°)
OKLab	oklab(39.66% 0.0122 -0.1394)
OKLCH	oklch(39.66% 0.14 275)
XYZ	xyz(7.9616, 5.7691, 27.0741)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343A90 #908A34

analogous

#346890 #343A90 #5C3490

triadic

#343A90 #90343A #3A9034

tetradic

#343A90 #903468 #908A34 #34905C

square

#343A90 #903468 #908A34 #34905C

split-complementary

#343A90 #905C34 #689034

monochromatic

#141636 #242863 #343A90 #454DBC #7278CC

Accessibility & contrast

On white

9.75

#343A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#343A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343A90

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343A90	#FFFFFF	#000000	##FFFFFF
##343A90	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004893

Deuteranopia (green-blind)

#00408E

Tritanopia (blue-blind)

#004F5F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #343a90;
/* rgb */ color: rgb(52, 58, 144);
/* oklch */ color: oklch(39.7% 0.140 275.0);

Tailwind

colors: {
  custom: {
    50: '#7670b1',
    500: '#343a90',
    950: '#000000',
  },
}

SCSS

$custom: #343a90;
$custom-light: #7670b1;
$custom-dark: #000000;

JSON

{
  "hex": "#343a90",
  "rgb": {
    "r": 52,
    "g": 58,
    "b": 144
  },
  "hsl": {
    "h": 236.087,
    "s": 46.939,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39657,
    "c": 0.13995,
    "h": 275
  },
  "luminance": 0.0577
}

Semantic roles & 50–950 ramp

primary

#343A90

secondary

#B4B06B

accent

#CE51D7

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #343A90

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

Preview Lab → · Contrast checker → · Palette generator →