#3B68BC#3B68BC

#3B68BC is a mid, vivid blue. Relative luminance 0.145; OKLCH L 52.9% C 0.141 H 261.6°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3B68BC
RGB	rgb(59, 104, 188)
HSL	hsl(219, 52%, 48%)
HSV	hsv(219, 69%, 74%)
CMYK	cmyk(68.6%, 44.7%, 0%, 26.3%)
CIE-LAB	lab(44.89, 12.65, -48.83)
CIE-LCH	lch(44.89, 50.45, 284.52°)
OKLab	oklab(52.9% -0.0205 -0.1396)
OKLCH	oklch(52.9% 0.141 261.6)
XYZ	xyz(15.8278, 14.4597, 49.5241)
Luminance	0.1446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B68BC #BC8F3B

analogous

#3BA8BC #3B68BC #4E3BBC

triadic

#3B68BC #BC3B68 #68BC3B

tetradic

#3B68BC #BC3BA8 #BC8F3B #3BBC4E

square

#3B68BC #BC3BA8 #BC8F3B #3BBC4E

split-complementary

#3B68BC #BC4E3B #A8BC3B

monochromatic

#1E345F #2C4E8D #3B68BC #658ACF #94AEDD

Accessibility & contrast

On white

5.40

#3B68BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#3B68BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B68BC

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B68BC	#FFFFFF	#000000	##FFFFFF
##3B68BC	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F71BF

Deuteranopia (green-blind)

#2765BA

Tritanopia (blue-blind)

#007B89

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3b68bc;
/* rgb */ color: rgb(59, 104, 188);
/* oklch */ color: oklch(52.9% 0.141 261.6);

Tailwind

colors: {
  custom: {
    50: '#7f92d1',
    500: '#3b68bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b68bc;
$custom-light: #7f92d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b68bc",
  "rgb": {
    "r": 59,
    "g": 104,
    "b": 188
  },
  "hsl": {
    "h": 219.07,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.52896,
    "c": 0.14115,
    "h": 261.6
  },
  "luminance": 0.14461
}

Semantic roles & 50–950 ramp

primary

#3B68BC

secondary

#C9B38A

accent

#AA4CDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0D14

muted

#7C7D82

Preview Lab

Preview with #3B68BC

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

Preview Lab → · Contrast checker → · Palette generator →