#3C59D3#3C59D3

#3C59D3 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.6% C 0.190 H 268.6°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#3C59D3
RGB	rgb(60, 89, 211)
HSL	hsl(228, 63%, 53%)
HSV	hsv(228, 72%, 83%)
CMYK	cmyk(71.6%, 57.8%, 0%, 17.3%)
CIE-LAB	lab(42.47, 30.73, -66.01)
CIE-LCH	lch(42.47, 72.81, 294.96°)
OKLab	oklab(51.58% -0.0046 -0.1904)
OKLCH	oklch(51.58% 0.19 268.6)
XYZ	xyz(17.1897, 12.8068, 63.1814)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C59D3 #D3B63C

analogous

#3CA4D3 #3C59D3 #6A3CD3

triadic

#3C59D3 #D33C59 #59D33C

tetradic

#3C59D3 #D33CA4 #D3B63C #3CD36A

square

#3C59D3 #D33CA4 #D3B63C #3CD36A

split-complementary

#3C59D3 #D36A3C #A4D33C

monochromatic

#1B2D79 #2740AB #3C59D3 #6E84DE #A0AEEA

Accessibility & contrast

On white

5.90

#3C59D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#3C59D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C59D3

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C59D3	#FFFFFF	#000000	##FFFFFF
##3C59D3	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD7

Deuteranopia (green-blind)

#005ED1

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3c59d3;
/* rgb */ color: rgb(60, 89, 211);
/* oklch */ color: oklch(51.6% 0.190 268.6);

Tailwind

colors: {
  custom: {
    50: '#8587e1',
    500: '#3c59d3',
    950: '#000000',
  },
}

SCSS

$custom: #3c59d3;
$custom-light: #8587e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c59d3",
  "rgb": {
    "r": 60,
    "g": 89,
    "b": 211
  },
  "hsl": {
    "h": 228.477,
    "s": 63.18,
    "l": 53.137
  },
  "oklch": {
    "l": 0.51576,
    "c": 0.19043,
    "h": 268.6
  },
  "luminance": 0.12809
}

Semantic roles & 50–950 ramp

primary

#3C59D3

secondary

#D6C995

accent

#C742E6

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #3C59D3

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

Preview Lab → · Contrast checker → · Palette generator →