#3B68BB#3B68BB

#3B68BB is a mid, vivid blue. Relative luminance 0.144; OKLCH L 52.8% C 0.140 H 261.5°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#3B68BB
RGB	rgb(59, 104, 187)
HSL	hsl(219, 52%, 48%)
HSV	hsv(219, 68%, 73%)
CMYK	cmyk(68.4%, 44.4%, 0%, 26.7%)
CIE-LAB	lab(44.82, 12.28, -48.35)
CIE-LCH	lch(44.82, 49.89, 284.26°)
OKLab	oklab(52.83% -0.0207 -0.1382)
OKLCH	oklch(52.83% 0.14 261.5)
XYZ	xyz(15.7204, 14.4167, 48.9583)
Luminance	0.1442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B68BB #BB8E3B

analogous

#3BA8BB #3B68BB #4E3BBB

triadic

#3B68BB #BB3B68 #68BB3B

tetradic

#3B68BB #BB3BA8 #BB8E3B #3BBB4E

square

#3B68BB #BB3BA8 #BB8E3B #3BBB4E

split-complementary

#3B68BB #BB4E3B #A8BB3B

monochromatic

#1E345E #2C4E8C #3B68BB #658ACE #93ADDD

Accessibility & contrast

On white

5.41

#3B68BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#3B68BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B68BB

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B68BB	#FFFFFF	#000000	##FFFFFF
##3B68BB	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4070BE

Deuteranopia (green-blind)

#2965B9

Tritanopia (blue-blind)

#007B88

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3b68bb;
/* rgb */ color: rgb(59, 104, 187);
/* oklch */ color: oklch(52.8% 0.140 261.5);

Tailwind

colors: {
  custom: {
    50: '#7f92d0',
    500: '#3b68bb',
    950: '#000000',
  },
}

SCSS

$custom: #3b68bb;
$custom-light: #7f92d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b68bb",
  "rgb": {
    "r": 59,
    "g": 104,
    "b": 187
  },
  "hsl": {
    "h": 218.906,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5283,
    "c": 0.13977,
    "h": 261.5
  },
  "luminance": 0.14418
}

Semantic roles & 50–950 ramp

primary

#3B68BB

secondary

#C8B28A

accent

#A94CDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0D14

muted

#7C7D82

Preview Lab

Preview with #3B68BB

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

Preview Lab → · Contrast checker → · Palette generator →