#3B5DBC#3B5DBC

#3B5DBC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.6% C 0.155 H 266.2°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#3B5DBC
RGB	rgb(59, 93, 188)
HSL	hsl(224, 52%, 48%)
HSV	hsv(224, 69%, 74%)
CMYK	cmyk(68.6%, 50.5%, 0%, 26.3%)
CIE-LAB	lab(41.83, 19.70, -53.75)
CIE-LCH	lch(41.83, 57.25, 290.12°)
OKLab	oklab(50.56% -0.0103 -0.1543)
OKLCH	oklch(50.56% 0.155 266.2)
XYZ	xyz(14.7919, 12.3879, 49.1788)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5DBC #BC9A3B

analogous

#3B9DBC #3B5DBC #593BBC

triadic

#3B5DBC #BC3B5D #5DBC3B

tetradic

#3B5DBC #BC3B9D #BC9A3B #3BBC59

square

#3B5DBC #BC3B9D #BC9A3B #3BBC59

split-complementary

#3B5DBC #BC593B #9DBC3B

monochromatic

#1E2F5F #2C468D #3B5DBC #6581CF #94A7DD

Accessibility & contrast

On white

6.04

#3B5DBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#3B5DBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5DBC

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5DBC	#FFFFFF	#000000	##FFFFFF
##3B5DBC	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2569BF

Deuteranopia (green-blind)

#005DBA

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3b5dbc;
/* rgb */ color: rgb(59, 93, 188);
/* oklch */ color: oklch(50.6% 0.155 266.2);

Tailwind

colors: {
  custom: {
    50: '#808ad1',
    500: '#3b5dbc',
    950: '#000000',
  },
}

SCSS

$custom: #3b5dbc;
$custom-light: #808ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5dbc",
  "rgb": {
    "r": 59,
    "g": 93,
    "b": 188
  },
  "hsl": {
    "h": 224.186,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50555,
    "c": 0.15464,
    "h": 266.2
  },
  "luminance": 0.12389
}

Semantic roles & 50–950 ramp

primary

#3B5DBC

secondary

#C9B88A

accent

#B64CDC

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3B5DBC

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

Preview Lab → · Contrast checker → · Palette generator →