#3B59D0#3B59D0

#3B59D0 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.3% C 0.187 H 268.3°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#3B59D0
RGB	rgb(59, 89, 208)
HSL	hsl(228, 61%, 52%)
HSV	hsv(228, 72%, 82%)
CMYK	cmyk(71.6%, 57.2%, 0%, 18.4%)
CIE-LAB	lab(42.20, 29.52, -64.73)
CIE-LCH	lch(42.20, 71.15, 294.52°)
OKLab	oklab(51.29% -0.0056 -0.1866)
OKLCH	oklch(51.29% 0.187 268.3)
XYZ	xyz(16.7572, 12.6269, 61.2164)
Luminance	0.1263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B59D0 #D0B23B

analogous

#3BA4D0 #3B59D0 #673BD0

triadic

#3B59D0 #D03B59 #59D03B

tetradic

#3B59D0 #D03BA4 #D0B23B #3BD067

square

#3B59D0 #D03BA4 #D0B23B #3BD067

split-complementary

#3B59D0 #D0673B #A4D03B

monochromatic

#1C2E75 #2841A6 #3B59D0 #6C83DC #9EADE8

Accessibility & contrast

On white

5.96

#3B59D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#3B59D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B59D0

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B59D0	#FFFFFF	#000000	##FFFFFF
##3B59D0	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD4

Deuteranopia (green-blind)

#005DCE

Tritanopia (blue-blind)

#00768C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3b59d0;
/* rgb */ color: rgb(59, 89, 208);
/* oklch */ color: oklch(51.3% 0.187 268.3);

Tailwind

colors: {
  custom: {
    50: '#8487df',
    500: '#3b59d0',
    950: '#000000',
  },
}

SCSS

$custom: #3b59d0;
$custom-light: #8487df;
$custom-dark: #000000;

JSON

{
  "hex": "#3b59d0",
  "rgb": {
    "r": 59,
    "g": 89,
    "b": 208
  },
  "hsl": {
    "h": 227.919,
    "s": 61.317,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51286,
    "c": 0.18673,
    "h": 268.3
  },
  "luminance": 0.12629
}

Semantic roles & 50–950 ramp

primary

#3B59D0

secondary

#D4C793

accent

#C443E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3B59D0

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

Preview Lab → · Contrast checker → · Palette generator →