#3B5EBA#3B5EBA

#3B5EBA is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.6% C 0.151 H 265.6°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#3B5EBA
RGB	rgb(59, 94, 186)
HSL	hsl(223, 52%, 48%)
HSV	hsv(223, 68%, 73%)
CMYK	cmyk(68.3%, 49.5%, 0%, 27.1%)
CIE-LAB	lab(41.97, 18.32, -52.36)
CIE-LCH	lch(41.97, 55.47, 289.29°)
OKLab	oklab(50.62% -0.0115 -0.1502)
OKLCH	oklch(50.62% 0.151 265.6)
XYZ	xyz(14.6662, 12.4789, 48.0806)
Luminance	0.1248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5EBA #BA973B

analogous

#3B9DBA #3B5EBA #583BBA

triadic

#3B5EBA #BA3B5E #5EBA3B

tetradic

#3B5EBA #BA3B9D #BA973B #3BBA58

square

#3B5EBA #BA3B9D #BA973B #3BBA58

split-complementary

#3B5EBA #BA583B #9DBA3B

monochromatic

#1E2F5D #2C478C #3B5EBA #6481CE #93A7DD

Accessibility & contrast

On white

6.01

#3B5EBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#3B5EBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5EBA

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5EBA	#FFFFFF	#000000	##FFFFFF
##3B5EBA	1.00	6.01	3.50	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B69BD

Deuteranopia (green-blind)

#025EB8

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3b5eba;
/* rgb */ color: rgb(59, 94, 186);
/* oklch */ color: oklch(50.6% 0.151 265.6);

Tailwind

colors: {
  custom: {
    50: '#7f8bcf',
    500: '#3b5eba',
    950: '#000000',
  },
}

SCSS

$custom: #3b5eba;
$custom-light: #7f8bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5eba",
  "rgb": {
    "r": 59,
    "g": 94,
    "b": 186
  },
  "hsl": {
    "h": 223.465,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50621,
    "c": 0.15061,
    "h": 265.6
  },
  "luminance": 0.1248
}

Semantic roles & 50–950 ramp

primary

#3B5EBA

secondary

#C8B789

accent

#B44DDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3B5EBA

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

Preview Lab → · Contrast checker → · Palette generator →