#3B73CE#3B73CE

#3B73CE is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.5% C 0.153 H 259.7°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3B73CE
RGB	rgb(59, 115, 206)
HSL	hsl(217, 60%, 52%)
HSV	hsv(217, 71%, 81%)
CMYK	cmyk(71.4%, 44.2%, 0%, 19.2%)
CIE-LAB	lab(49.06, 12.27, -52.50)
CIE-LCH	lch(49.06, 53.91, 283.16°)
OKLab	oklab(56.47% -0.0274 -0.1502)
OKLCH	oklch(56.47% 0.153 259.7)
XYZ	xyz(19.0709, 17.6455, 60.7814)
Luminance	0.1765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B73CE #CE963B

analogous

#3BBCCE #3B73CE #4D3BCE

triadic

#3B73CE #CE3B73 #73CE3B

tetradic

#3B73CE #CE3BBC #CE963B #3BCE4D

square

#3B73CE #CE3BBC #CE963B #3BCE4D

split-complementary

#3B73CE #CE4D3B #BCCE3B

monochromatic

#1D3D72 #2957A3 #3B73CE #6C96DA #9DB9E6

Accessibility & contrast

On white

4.64

#3B73CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3B73CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3B73CE

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B73CE	#FFFFFF	#000000	##FFFFFF
##3B73CE	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467CD1

Deuteranopia (green-blind)

#2A6ECC

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3b73ce;
/* rgb */ color: rgb(59, 115, 206);
/* oklch */ color: oklch(56.5% 0.153 259.7);

Tailwind

colors: {
  custom: {
    50: '#839add',
    500: '#3b73ce',
    950: '#000000',
  },
}

SCSS

$custom: #3b73ce;
$custom-light: #839add;
$custom-dark: #000000;

JSON

{
  "hex": "#3b73ce",
  "rgb": {
    "r": 59,
    "g": 115,
    "b": 206
  },
  "hsl": {
    "h": 217.143,
    "s": 60,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56467,
    "c": 0.15273,
    "h": 259.7
  },
  "luminance": 0.17648
}

Semantic roles & 50–950 ramp

primary

#3B73CE

secondary

#D3BA92

accent

#A745E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B73CE

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

Preview Lab → · Contrast checker → · Palette generator →