#3B5CD1#3B5CD1

#3B5CD1 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.9% C 0.184 H 267.6°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3B5CD1
RGB	rgb(59, 92, 209)
HSL	hsl(227, 62%, 53%)
HSV	hsv(227, 72%, 82%)
CMYK	cmyk(71.8%, 56%, 0%, 18%)
CIE-LAB	lab(43.04, 27.97, -63.93)
CIE-LCH	lch(43.04, 69.78, 293.63°)
OKLab	oklab(51.94% -0.0079 -0.1842)
OKLCH	oklch(51.94% 0.184 267.6)
XYZ	xyz(17.1354, 13.1858, 61.9513)
Luminance	0.1319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5CD1 #D1B03B

analogous

#3BA7D1 #3B5CD1 #653BD1

triadic

#3B5CD1 #D13B5C #5CD13B

tetradic

#3B5CD1 #D13BA7 #D1B03B #3BD165

square

#3B5CD1 #D13BA7 #D1B03B #3BD165

split-complementary

#3B5CD1 #D1653B #A7D13B

monochromatic

#1C3076 #2744A7 #3B5CD1 #6D85DD #9EAEE8

Accessibility & contrast

On white

5.77

#3B5CD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3B5CD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5CD1

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5CD1	#FFFFFF	#000000	##FFFFFF
##3B5CD1	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD5

Deuteranopia (green-blind)

#005FCF

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3b5cd1;
/* rgb */ color: rgb(59, 92, 209);
/* oklch */ color: oklch(51.9% 0.184 267.6);

Tailwind

colors: {
  custom: {
    50: '#8489e0',
    500: '#3b5cd1',
    950: '#000000',
  },
}

SCSS

$custom: #3b5cd1;
$custom-light: #8489e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5cd1",
  "rgb": {
    "r": 59,
    "g": 92,
    "b": 209
  },
  "hsl": {
    "h": 226.8,
    "s": 61.983,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51944,
    "c": 0.18442,
    "h": 267.6
  },
  "luminance": 0.13188
}

Semantic roles & 50–950 ramp

primary

#3B5CD1

secondary

#D4C693

accent

#C143E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3B5CD1

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

Preview Lab → · Contrast checker → · Palette generator →