#3B5DCD#3B5DCD

#3B5DCD is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.8% C 0.178 H 267.1°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#3B5DCD
RGB	rgb(59, 93, 205)
HSL	hsl(226, 59%, 52%)
HSV	hsv(226, 71%, 80%)
CMYK	cmyk(71.2%, 54.6%, 0%, 19.6%)
CIE-LAB	lab(43.01, 25.88, -61.68)
CIE-LCH	lch(43.01, 66.89, 292.76°)
OKLab	oklab(51.83% -0.0089 -0.1776)
OKLCH	oklch(51.83% 0.178 267.1)
XYZ	xyz(16.7336, 13.1646, 59.4049)
Luminance	0.1317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5DCD #CDAB3B

analogous

#3BA6CD #3B5DCD #623BCD

triadic

#3B5DCD #CD3B5D #5DCD3B

tetradic

#3B5DCD #CD3BA6 #CDAB3B #3BCD62

square

#3B5DCD #CD3BA6 #CDAB3B #3BCD62

split-complementary

#3B5DCD #CD623B #A6CD3B

monochromatic

#1D3071 #2945A2 #3B5DCD #6C85D9 #9DAEE6

Accessibility & contrast

On white

5.78

#3B5DCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#3B5DCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5DCD

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5DCD	#FFFFFF	#000000	##FFFFFF
##3B5DCD	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD1

Deuteranopia (green-blind)

#005FCB

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3b5dcd;
/* rgb */ color: rgb(59, 93, 205);
/* oklch */ color: oklch(51.8% 0.178 267.1);

Tailwind

colors: {
  custom: {
    50: '#838add',
    500: '#3b5dcd',
    950: '#000000',
  },
}

SCSS

$custom: #3b5dcd;
$custom-light: #838add;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5dcd",
  "rgb": {
    "r": 59,
    "g": 93,
    "b": 205
  },
  "hsl": {
    "h": 226.027,
    "s": 59.35,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51828,
    "c": 0.17785,
    "h": 267.1
  },
  "luminance": 0.13166
}

Semantic roles & 50–950 ramp

primary

#3B5DCD

secondary

#D2C392

accent

#BE45E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3B5DCD

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

Preview Lab → · Contrast checker → · Palette generator →