#3B5DBA#3B5DBA

#3B5DBA is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.4% C 0.152 H 266.0°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#3B5DBA
RGB	rgb(59, 93, 186)
HSL	hsl(224, 52%, 48%)
HSV	hsv(224, 68%, 73%)
CMYK	cmyk(68.3%, 50%, 0%, 27.1%)
CIE-LAB	lab(41.69, 18.97, -52.80)
CIE-LCH	lch(41.69, 56.10, 289.76°)
OKLab	oklab(50.41% -0.0106 -0.1515)
OKLCH	oklch(50.41% 0.152 266)
XYZ	xyz(14.5778, 12.3022, 48.0512)
Luminance	0.1230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5DBA #BA983B

analogous

#3B9CBA #3B5DBA #583BBA

triadic

#3B5DBA #BA3B5D #5DBA3B

tetradic

#3B5DBA #BA3B9C #BA983B #3BBA58

square

#3B5DBA #BA3B9C #BA983B #3BBA58

split-complementary

#3B5DBA #BA583B #9CBA3B

monochromatic

#1E2F5D #2C468C #3B5DBA #6481CE #93A7DD

Accessibility & contrast

On white

6.07

#3B5DBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#3B5DBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5DBA

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5DBA	#FFFFFF	#000000	##FFFFFF
##3B5DBA	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2868BD

Deuteranopia (green-blind)

#005DB8

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3b5dba;
/* rgb */ color: rgb(59, 93, 186);
/* oklch */ color: oklch(50.4% 0.152 266.0);

Tailwind

colors: {
  custom: {
    50: '#7f8acf',
    500: '#3b5dba',
    950: '#000000',
  },
}

SCSS

$custom: #3b5dba;
$custom-light: #7f8acf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5dba",
  "rgb": {
    "r": 59,
    "g": 93,
    "b": 186
  },
  "hsl": {
    "h": 223.937,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50411,
    "c": 0.15186,
    "h": 266
  },
  "luminance": 0.12304
}

Semantic roles & 50–950 ramp

primary

#3B5DBA

secondary

#C8B789

accent

#B54DDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3B5DBA

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

Preview Lab → · Contrast checker → · Palette generator →