#3B68CB#3B68CB

#3B68CB is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.9% C 0.162 H 263.5°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#3B68CB
RGB	rgb(59, 104, 203)
HSL	hsl(221, 58%, 51%)
HSV	hsv(221, 71%, 80%)
CMYK	cmyk(70.9%, 48.8%, 0%, 20.4%)
CIE-LAB	lab(45.83, 18.12, -55.98)
CIE-LCH	lch(45.83, 58.84, 287.93°)
OKLab	oklab(53.92% -0.0182 -0.1607)
OKLCH	oklch(53.92% 0.162 263.5)
XYZ	xyz(17.5296, 15.1404, 58.4869)
Luminance	0.1514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B68CB #CB9E3B

analogous

#3BB0CB #3B68CB #563BCB

triadic

#3B68CB #CB3B68 #68CB3B

tetradic

#3B68CB #CB3BB0 #CB9E3B #3BCB56

square

#3B68CB #CB3BB0 #CB9E3B #3BCB56

split-complementary

#3B68CB #CB563B #B0CB3B

monochromatic

#1D376E #2A4F9F #3B68CB #6B8DD8 #9CB3E5

Accessibility & contrast

On white

5.21

#3B68CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#3B68CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B68CB

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B68CB	#FFFFFF	#000000	##FFFFFF
##3B68CB	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3074CF

Deuteranopia (green-blind)

#0066C9

Tritanopia (blue-blind)

#007F90

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3b68cb;
/* rgb */ color: rgb(59, 104, 203);
/* oklch */ color: oklch(53.9% 0.162 263.5);

Tailwind

colors: {
  custom: {
    50: '#8292db',
    500: '#3b68cb',
    950: '#000000',
  },
}

SCSS

$custom: #3b68cb;
$custom-light: #8292db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b68cb",
  "rgb": {
    "r": 59,
    "g": 104,
    "b": 203
  },
  "hsl": {
    "h": 221.25,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5392,
    "c": 0.16171,
    "h": 263.5
  },
  "luminance": 0.15142
}

Semantic roles & 50–950 ramp

primary

#3B68CB

secondary

#D1BD91

accent

#B147E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3B68CB

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

Preview Lab → · Contrast checker → · Palette generator →