#3B59BB#3B59BB

#3B59BB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.7% C 0.158 H 267.5°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#3B59BB
RGB	rgb(59, 89, 187)
HSL	hsl(226, 52%, 48%)
HSV	hsv(226, 68%, 73%)
CMYK	cmyk(68.4%, 52.4%, 0%, 26.7%)
CIE-LAB	lab(40.67, 21.92, -55.03)
CIE-LCH	lch(40.67, 59.23, 291.72°)
OKLab	oklab(49.66% -0.0069 -0.1581)
OKLCH	oklch(49.66% 0.158 267.5)
XYZ	xyz(14.3426, 11.6610, 48.4990)
Luminance	0.1166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B59BB #BB9D3B

analogous

#3B99BB #3B59BB #5D3BBB

triadic

#3B59BB #BB3B59 #59BB3B

tetradic

#3B59BB #BB3B99 #BB9D3B #3BBB5D

square

#3B59BB #BB3B99 #BB9D3B #3BBB5D

split-complementary

#3B59BB #BB5D3B #99BB3B

monochromatic

#1E2D5E #2C438C #3B59BB #657ECE #93A5DD

Accessibility & contrast

On white

6.30

#3B59BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3B59BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B59BB

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B59BB	#FFFFFF	#000000	##FFFFFF
##3B59BB	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1966BE

Deuteranopia (green-blind)

#005AB9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3b59bb;
/* rgb */ color: rgb(59, 89, 187);
/* oklch */ color: oklch(49.7% 0.158 267.5);

Tailwind

colors: {
  custom: {
    50: '#8087d0',
    500: '#3b59bb',
    950: '#000000',
  },
}

SCSS

$custom: #3b59bb;
$custom-light: #8087d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b59bb",
  "rgb": {
    "r": 59,
    "g": 89,
    "b": 187
  },
  "hsl": {
    "h": 225.938,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.49659,
    "c": 0.15826,
    "h": 267.5
  },
  "luminance": 0.11662
}

Semantic roles & 50–950 ramp

primary

#3B59BB

secondary

#C8BA8A

accent

#BA4CDB

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3B59BB

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

Preview Lab → · Contrast checker → · Palette generator →