#3B59C7#3B59C7

#3B59C7 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.6% C 0.175 H 268.0°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#3B59C7
RGB	rgb(59, 89, 199)
HSL	hsl(227, 56%, 51%)
HSV	hsv(227, 70%, 78%)
CMYK	cmyk(70.4%, 55.3%, 0%, 22%)
CIE-LAB	lab(41.53, 26.27, -60.63)
CIE-LCH	lch(41.53, 66.07, 293.43°)
OKLab	oklab(50.57% -0.006 -0.1746)
OKLCH	oklch(50.57% 0.175 268)
XYZ	xyz(15.6813, 12.1965, 55.5495)
Luminance	0.1220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B59C7 #C7A93B

analogous

#3B9FC7 #3B59C7 #633BC7

triadic

#3B59C7 #C73B59 #59C73B

tetradic

#3B59C7 #C73B9F #C7A93B #3BC763

square

#3B59C7 #C73B9F #C7A93B #3BC763

split-complementary

#3B59C7 #C7633B #9FC73B

monochromatic

#1E2E69 #2C4399 #3B59C7 #6B81D5 #9AAAE2

Accessibility & contrast

On white

6.11

#3B59C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#3B59C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B59C7

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B59C7	#FFFFFF	#000000	##FFFFFF
##3B59C7	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CB

Deuteranopia (green-blind)

#005CC5

Tritanopia (blue-blind)

#007487

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3b59c7;
/* rgb */ color: rgb(59, 89, 199);
/* oklch */ color: oklch(50.6% 0.175 268.0);

Tailwind

colors: {
  custom: {
    50: '#8287d9',
    500: '#3b59c7',
    950: '#000000',
  },
}

SCSS

$custom: #3b59c7;
$custom-light: #8287d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b59c7",
  "rgb": {
    "r": 59,
    "g": 89,
    "b": 199
  },
  "hsl": {
    "h": 227.143,
    "s": 55.556,
    "l": 50.588
  },
  "oklch": {
    "l": 0.50574,
    "c": 0.17468,
    "h": 268
  },
  "luminance": 0.12198
}

Semantic roles & 50–950 ramp

primary

#3B59C7

secondary

#CEC190

accent

#BF49DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3B59C7

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

Preview Lab → · Contrast checker → · Palette generator →