#3439B8#3439B8

#3439B8 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.1% C 0.195 H 273.0°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#3439B8
RGB	rgb(52, 57, 184)
HSL	hsl(238, 56%, 46%)
HSV	hsv(238, 72%, 72%)
CMYK	cmyk(71.7%, 69%, 0%, 27.8%)
CIE-LAB	lab(32.07, 40.31, -67.31)
CIE-LCH	lch(32.07, 78.45, 300.91°)
OKLab	oklab(43.11% 0.0102 -0.1946)
OKLCH	oklch(43.11% 0.195 273)
XYZ	xyz(11.5281, 7.1159, 46.1041)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3439B8 #B8B334

analogous

#347BB8 #3439B8 #7134B8

triadic

#3439B8 #B83439 #39B834

tetradic

#3439B8 #B8347B #B8B334 #34B871

square

#3439B8 #B8347B #B8B334 #34B871

split-complementary

#3439B8 #B87134 #7BB834

monochromatic

#191B59 #272A88 #3439B8 #595ED0 #898CDE

Accessibility & contrast

On white

8.67

#3439B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3439B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3439B8

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3439B8	#FFFFFF	#000000	##FFFFFF
##3439B8	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BC

Deuteranopia (green-blind)

#0045B6

Tritanopia (blue-blind)

#005C74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3439b8;
/* rgb */ color: rgb(52, 57, 184);
/* oklch */ color: oklch(43.1% 0.195 273.0);

Tailwind

colors: {
  custom: {
    50: '#7f70ce',
    500: '#3439b8',
    950: '#000000',
  },
}

SCSS

$custom: #3439b8;
$custom-light: #7f70ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3439b8",
  "rgb": {
    "r": 52,
    "g": 57,
    "b": 184
  },
  "hsl": {
    "h": 237.727,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.43108,
    "c": 0.19488,
    "h": 273
  },
  "luminance": 0.07117
}

Semantic roles & 50–950 ramp

primary

#3439B8

secondary

#C8C580

accent

#DA49DF

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3439B8

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

Preview Lab → · Contrast checker → · Palette generator →