#3438BB#3438BB

#3438BB is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.2% C 0.200 H 273.0°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#3438BB
RGB	rgb(52, 56, 187)
HSL	hsl(238, 56%, 47%)
HSV	hsv(238, 72%, 73%)
CMYK	cmyk(72.2%, 70.1%, 0%, 26.7%)
CIE-LAB	lab(32.13, 41.93, -68.97)
CIE-LCH	lch(32.13, 80.72, 301.30°)
OKLab	oklab(43.24% 0.0104 -0.1995)
OKLCH	oklch(43.24% 0.2 273)
XYZ	xyz(11.7970, 7.1451, 47.7615)
Luminance	0.0715 (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

#3438BB #BBB734

analogous

#347CBB #3438BB #7434BB

triadic

#3438BB #BB3438 #38BB34

tetradic

#3438BB #BB347C #BBB734 #34BB74

square

#3438BB #BB347C #BBB734 #34BB74

split-complementary

#3438BB #BB7434 #7CBB34

monochromatic

#191B5B #272A8B #3438BB #5B5ED1 #8B8DDF

Accessibility & contrast

On white

8.64

#3438BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3438BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3438BB

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3438BB	#FFFFFF	#000000	##FFFFFF
##3438BB	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BF

Deuteranopia (green-blind)

#0045B9

Tritanopia (blue-blind)

#005C75

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3438bb;
/* rgb */ color: rgb(52, 56, 187);
/* oklch */ color: oklch(43.2% 0.200 273.0);

Tailwind

colors: {
  custom: {
    50: '#7f6fd1',
    500: '#3438bb',
    950: '#000000',
  },
}

SCSS

$custom: #3438bb;
$custom-light: #7f6fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3438bb",
  "rgb": {
    "r": 52,
    "g": 56,
    "b": 187
  },
  "hsl": {
    "h": 238.222,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43242,
    "c": 0.19974,
    "h": 273
  },
  "luminance": 0.07146
}

Semantic roles & 50–950 ramp

primary

#3438BB

secondary

#C9C782

accent

#DB48E0

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3438BB

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

Preview Lab → · Contrast checker → · Palette generator →