#343B85#343B85

#343B85 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.123 H 275.1°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#343B85
RGB	rgb(52, 59, 133)
HSL	hsl(235, 44%, 36%)
HSV	hsv(235, 61%, 52%)
CMYK	cmyk(60.9%, 55.6%, 0%, 47.8%)
CIE-LAB	lab(28.25, 20.95, -42.61)
CIE-LCH	lch(28.25, 47.48, 296.18°)
OKLab	oklab(38.96% 0.0109 -0.1221)
OKLCH	oklch(38.96% 0.123 275.1)
XYZ	xyz(7.2124, 5.5509, 22.8771)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343B85 #857E34

analogous

#346485 #343B85 #563485

triadic

#343B85 #85343B #3B8534

tetradic

#343B85 #853464 #857E34 #348556

square

#343B85 #853464 #857E34 #348556

split-complementary

#343B85 #855634 #648534

monochromatic

#12142D #232759 #343B85 #454FB1 #6D75C6

Accessibility & contrast

On white

9.95

#343B85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#343B85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343B85

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343B85	#FFFFFF	#000000	##FFFFFF
##343B85	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4688

Deuteranopia (green-blind)

#003F83

Tritanopia (blue-blind)

#004C5A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #343b85;
/* rgb */ color: rgb(52, 59, 133);
/* oklch */ color: oklch(39.0% 0.123 275.1);

Tailwind

colors: {
  custom: {
    50: '#7470a9',
    500: '#343b85',
    950: '#000000',
  },
}

SCSS

$custom: #343b85;
$custom-light: #7470a9;
$custom-dark: #000000;

JSON

{
  "hex": "#343b85",
  "rgb": {
    "r": 52,
    "g": 59,
    "b": 133
  },
  "hsl": {
    "h": 234.815,
    "s": 43.784,
    "l": 36.275
  },
  "oklch": {
    "l": 0.38965,
    "c": 0.12261,
    "h": 275.1
  },
  "luminance": 0.05551
}

Semantic roles & 50–950 ramp

primary

#343B85

secondary

#AEA867

accent

#C954D4

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #343B85

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

Preview Lab → · Contrast checker → · Palette generator →