#3438BF#3438BF

#3438BF is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.6% C 0.205 H 272.8°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#3438BF
RGB	rgb(52, 56, 191)
HSL	hsl(238, 57%, 48%)
HSV	hsv(238, 73%, 75%)
CMYK	cmyk(72.8%, 70.7%, 0%, 25.1%)
CIE-LAB	lab(32.52, 43.29, -70.69)
CIE-LCH	lch(32.52, 82.89, 301.48°)
OKLab	oklab(43.64% 0.0099 -0.2045)
OKLCH	oklch(43.64% 0.205 272.8)
XYZ	xyz(12.2312, 7.3188, 50.0482)
Luminance	0.0732 (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

#3438BF #BFBB34

analogous

#347EBF #3438BF #7534BF

triadic

#3438BF #BF3438 #38BF34

tetradic

#3438BF #BF347E #BFBB34 #34BF75

square

#3438BF #BF347E #BFBB34 #34BF75

split-complementary

#3438BF #BF7534 #7EBF34

monochromatic

#1A1C5F #272A8F #3438BF #5D61D3 #8D90E0

Accessibility & contrast

On white

8.52

#3438BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3438BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3438BF

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3438BF	#FFFFFF	#000000	##FFFFFF
##3438BF	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C3

Deuteranopia (green-blind)

#0046BD

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3438bf;
/* rgb */ color: rgb(52, 56, 191);
/* oklch */ color: oklch(43.6% 0.205 272.8);

Tailwind

colors: {
  custom: {
    50: '#8070d4',
    500: '#3438bf',
    950: '#000000',
  },
}

SCSS

$custom: #3438bf;
$custom-light: #8070d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3438bf",
  "rgb": {
    "r": 52,
    "g": 56,
    "b": 191
  },
  "hsl": {
    "h": 238.273,
    "s": 57.202,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43637,
    "c": 0.20473,
    "h": 272.8
  },
  "luminance": 0.0732
}

Semantic roles & 50–950 ramp

primary

#3438BF

secondary

#CAC884

accent

#DC47E0

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3438BF

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

Preview Lab → · Contrast checker → · Palette generator →