#343D88#343D88

#343D88 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.124 H 274.1°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#343D88
RGB	rgb(52, 61, 136)
HSL	hsl(234, 45%, 37%)
HSV	hsv(234, 62%, 53%)
CMYK	cmyk(61.8%, 55.1%, 0%, 46.7%)
CIE-LAB	lab(29.02, 20.68, -43.23)
CIE-LCH	lch(29.02, 47.92, 295.57°)
OKLab	oklab(39.61% 0.0089 -0.1239)
OKLCH	oklch(39.61% 0.124 274.1)
XYZ	xyz(7.5274, 5.8445, 24.0192)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343D88 #887F34

analogous

#346788 #343D88 #553488

triadic

#343D88 #88343D #3D8834

tetradic

#343D88 #883467 #887F34 #348855

square

#343D88 #883467 #887F34 #348855

split-complementary

#343D88 #885534 #678834

monochromatic

#12152F #23295C #343D88 #4551B4 #6F78C8

Accessibility & contrast

On white

9.68

#343D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#343D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343D88

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343D88	#FFFFFF	#000000	##FFFFFF
##343D88	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D488B

Deuteranopia (green-blind)

#004186

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #343d88;
/* rgb */ color: rgb(52, 61, 136);
/* oklch */ color: oklch(39.6% 0.124 274.1);

Tailwind

colors: {
  custom: {
    50: '#7472ab',
    500: '#343d88',
    950: '#000000',
  },
}

SCSS

$custom: #343d88;
$custom-light: #7472ab;
$custom-dark: #000000;

JSON

{
  "hex": "#343d88",
  "rgb": {
    "r": 52,
    "g": 61,
    "b": 136
  },
  "hsl": {
    "h": 233.571,
    "s": 44.681,
    "l": 36.863
  },
  "oklch": {
    "l": 0.3961,
    "c": 0.12425,
    "h": 274.1
  },
  "luminance": 0.05845
}

Semantic roles & 50–950 ramp

primary

#343D88

secondary

#B0A868

accent

#C753D4

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #343D88

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

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