#3B5CB7#3B5CB7

#3B5CB7 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.149 H 266.1°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#3B5CB7
RGB	rgb(59, 92, 183)
HSL	hsl(224, 51%, 47%)
HSV	hsv(224, 68%, 72%)
CMYK	cmyk(67.8%, 49.7%, 0%, 28.2%)
CIE-LAB	lab(41.22, 18.52, -51.81)
CIE-LCH	lch(41.22, 55.02, 289.67°)
OKLab	oklab(49.99% -0.01 -0.1486)
OKLCH	oklch(49.99% 0.149 266.1)
XYZ	xyz(14.1751, 12.0016, 46.3601)
Luminance	0.1200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5CB7 #B7963B

analogous

#3B9AB7 #3B5CB7 #583BB7

triadic

#3B5CB7 #B73B5C #5CB73B

tetradic

#3B5CB7 #B73B9A #B7963B #3BB758

square

#3B5CB7 #B73B9A #B7963B #3BB758

split-complementary

#3B5CB7 #B7583B #9AB73B

monochromatic

#1D2D5A #2C4589 #3B5CB7 #637FCD #91A5DC

Accessibility & contrast

On white

6.18

#3B5CB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#3B5CB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5CB7

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5CB7	#FFFFFF	#000000	##FFFFFF
##3B5CB7	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2967BA

Deuteranopia (green-blind)

#015CB5

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3b5cb7;
/* rgb */ color: rgb(59, 92, 183);
/* oklch */ color: oklch(50.0% 0.149 266.1);

Tailwind

colors: {
  custom: {
    50: '#7f89cd',
    500: '#3b5cb7',
    950: '#000000',
  },
}

SCSS

$custom: #3b5cb7;
$custom-light: #7f89cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5cb7",
  "rgb": {
    "r": 59,
    "g": 92,
    "b": 183
  },
  "hsl": {
    "h": 224.032,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.49987,
    "c": 0.14893,
    "h": 266.1
  },
  "luminance": 0.12003
}

Semantic roles & 50–950 ramp

primary

#3B5CB7

secondary

#C6B687

accent

#B54DDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3B5CB7

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

Preview Lab → · Contrast checker → · Palette generator →