#3B59CA#3B59CA

#3B59CA is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.8% C 0.179 H 268.1°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#3B59CA
RGB	rgb(59, 89, 202)
HSL	hsl(227, 57%, 51%)
HSV	hsv(227, 71%, 79%)
CMYK	cmyk(70.8%, 55.9%, 0%, 20.8%)
CIE-LAB	lab(41.75, 27.36, -62.00)
CIE-LCH	lch(41.75, 67.77, 293.81°)
OKLab	oklab(50.81% -0.0058 -0.1786)
OKLCH	oklch(50.81% 0.179 268.1)
XYZ	xyz(16.0330, 12.3372, 57.4020)
Luminance	0.1234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B59CA #CAAC3B

analogous

#3BA0CA #3B59CA #643BCA

triadic

#3B59CA #CA3B59 #59CA3B

tetradic

#3B59CA #CA3BA0 #CAAC3B #3BCA64

square

#3B59CA #CA3BA0 #CAAC3B #3BCA64

split-complementary

#3B59CA #CA643B #A0CA3B

monochromatic

#1E2E6D #2B439D #3B59CA #6B82D7 #9BABE4

Accessibility & contrast

On white

6.06

#3B59CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#3B59CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B59CA

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B59CA	#FFFFFF	#000000	##FFFFFF
##3B59CA	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CE

Deuteranopia (green-blind)

#005CC8

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3b59ca;
/* rgb */ color: rgb(59, 89, 202);
/* oklch */ color: oklch(50.8% 0.179 268.1);

Tailwind

colors: {
  custom: {
    50: '#8387db',
    500: '#3b59ca',
    950: '#000000',
  },
}

SCSS

$custom: #3b59ca;
$custom-light: #8387db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b59ca",
  "rgb": {
    "r": 59,
    "g": 89,
    "b": 202
  },
  "hsl": {
    "h": 227.413,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.50809,
    "c": 0.17873,
    "h": 268.1
  },
  "luminance": 0.12339
}

Semantic roles & 50–950 ramp

primary

#3B59CA

secondary

#D0C391

accent

#C047E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3B59CA

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

Preview Lab → · Contrast checker → · Palette generator →