#3B5BBA#3B5BBA

#3B5BBA is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.154 H 266.7°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#3B5BBA
RGB	rgb(59, 91, 186)
HSL	hsl(225, 52%, 48%)
HSV	hsv(225, 68%, 73%)
CMYK	cmyk(68.3%, 51.1%, 0%, 27.1%)
CIE-LAB	lab(41.15, 20.26, -53.68)
CIE-LCH	lch(41.15, 57.38, 290.68°)
OKLab	oklab(50% -0.0088 -0.1541)
OKLCH	oklch(50% 0.154 266.7)
XYZ	xyz(14.4046, 11.9557, 47.9934)
Luminance	0.1196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5BBA #BA9A3B

analogous

#3B9ABA #3B5BBA #5A3BBA

triadic

#3B5BBA #BA3B5B #5BBA3B

tetradic

#3B5BBA #BA3B9A #BA9A3B #3BBA5A

square

#3B5BBA #BA3B9A #BA9A3B #3BBA5A

split-complementary

#3B5BBA #BA5A3B #9ABA3B

monochromatic

#1E2E5D #2C448C #3B5BBA #647FCE #93A5DD

Accessibility & contrast

On white

6.19

#3B5BBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#3B5BBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5BBA

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5BBA	#FFFFFF	#000000	##FFFFFF
##3B5BBA	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2267BD

Deuteranopia (green-blind)

#005CB8

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3b5bba;
/* rgb */ color: rgb(59, 91, 186);
/* oklch */ color: oklch(50.0% 0.154 266.7);

Tailwind

colors: {
  custom: {
    50: '#8088cf',
    500: '#3b5bba',
    950: '#000000',
  },
}

SCSS

$custom: #3b5bba;
$custom-light: #8088cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5bba",
  "rgb": {
    "r": 59,
    "g": 91,
    "b": 186
  },
  "hsl": {
    "h": 224.882,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.49996,
    "c": 0.15436,
    "h": 266.7
  },
  "luminance": 0.11957
}

Semantic roles & 50–950 ramp

primary

#3B5BBA

secondary

#C8B889

accent

#B74DDB

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3B5BBA

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

Preview Lab → · Contrast checker → · Palette generator →