#3B59C8#3B59C8

#3B59C8 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.7% C 0.176 H 268.1°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#3B59C8
RGB	rgb(59, 89, 200)
HSL	hsl(227, 56%, 51%)
HSV	hsv(227, 71%, 78%)
CMYK	cmyk(70.5%, 55.5%, 0%, 21.6%)
CIE-LAB	lab(41.60, 26.63, -61.09)
CIE-LCH	lch(41.60, 66.64, 293.56°)
OKLab	oklab(50.65% -0.006 -0.1759)
OKLCH	oklch(50.65% 0.176 268.1)
XYZ	xyz(15.7977, 12.2431, 56.1630)
Luminance	0.1225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B59C8 #C8AA3B

analogous

#3B9FC8 #3B59C8 #633BC8

triadic

#3B59C8 #C83B59 #59C83B

tetradic

#3B59C8 #C83B9F #C8AA3B #3BC863

square

#3B59C8 #C83B9F #C8AA3B #3BC863

split-complementary

#3B59C8 #C8633B #9FC83B

monochromatic

#1E2E6B #2B439A #3B59C8 #6B81D5 #9BAAE3

Accessibility & contrast

On white

6.09

#3B59C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#3B59C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B59C8

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B59C8	#FFFFFF	#000000	##FFFFFF
##3B59C8	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CC

Deuteranopia (green-blind)

#005CC6

Tritanopia (blue-blind)

#007488

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3b59c8;
/* rgb */ color: rgb(59, 89, 200);
/* oklch */ color: oklch(50.7% 0.176 268.1);

Tailwind

colors: {
  custom: {
    50: '#8287d9',
    500: '#3b59c8',
    950: '#000000',
  },
}

SCSS

$custom: #3b59c8;
$custom-light: #8287d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b59c8",
  "rgb": {
    "r": 59,
    "g": 89,
    "b": 200
  },
  "hsl": {
    "h": 227.234,
    "s": 56.175,
    "l": 50.784
  },
  "oklch": {
    "l": 0.50652,
    "c": 0.17603,
    "h": 268.1
  },
  "luminance": 0.12245
}

Semantic roles & 50–950 ramp

primary

#3B59C8

secondary

#CFC190

accent

#BF48DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3B59C8

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

Preview Lab → · Contrast checker → · Palette generator →