#3B73C3#3B73C3

#3B73C3 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.8% C 0.138 H 257.6°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3B73C3
RGB	rgb(59, 115, 195)
HSL	hsl(215, 54%, 50%)
HSV	hsv(215, 70%, 76%)
CMYK	cmyk(69.7%, 41%, 0%, 23.5%)
CIE-LAB	lab(48.42, 8.28, -47.22)
CIE-LCH	lch(48.42, 47.94, 279.94°)
OKLab	oklab(55.76% -0.0296 -0.1347)
OKLCH	oklch(55.76% 0.138 257.6)
XYZ	xyz(17.7811, 17.1295, 53.9884)
Luminance	0.1713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B73C3 #C38B3B

analogous

#3BB7C3 #3B73C3 #473BC3

triadic

#3B73C3 #C33B73 #73C33B

tetradic

#3B73C3 #C33BB7 #C38B3B #3BC347

square

#3B73C3 #C33BB7 #C38B3B #3BC347

split-complementary

#3B73C3 #C3473B #B7C33B

monochromatic

#1F3C65 #2D5794 #3B73C3 #6994D2 #98B6E0

Accessibility & contrast

On white

4.74

#3B73C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3B73C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B73C3

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B73C3	#FFFFFF	#000000	##FFFFFF
##3B73C3	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7AC6

Deuteranopia (green-blind)

#386DC1

Tritanopia (blue-blind)

#008691

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3b73c3;
/* rgb */ color: rgb(59, 115, 195);
/* oklch */ color: oklch(55.8% 0.138 257.6);

Tailwind

colors: {
  custom: {
    50: '#809ad5',
    500: '#3b73c3',
    950: '#000000',
  },
}

SCSS

$custom: #3b73c3;
$custom-light: #809ad5;
$custom-dark: #000000;

JSON

{
  "hex": "#3b73c3",
  "rgb": {
    "r": 59,
    "g": 115,
    "b": 195
  },
  "hsl": {
    "h": 215.294,
    "s": 53.543,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55764,
    "c": 0.13796,
    "h": 257.6
  },
  "luminance": 0.17131
}

Semantic roles & 50–950 ramp

primary

#3B73C3

secondary

#CCB28E

accent

#A14BDD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3B73C3

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

Preview Lab → · Contrast checker → · Palette generator →