#3B73B2#3B73B2

#3B73B2 is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.7% C 0.115 H 253.0°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3B73B2
RGB	rgb(59, 115, 178)
HSL	hsl(212, 50%, 46%)
HSV	hsv(212, 67%, 70%)
CMYK	cmyk(66.9%, 35.4%, 0%, 30.2%)
CIE-LAB	lab(47.50, 2.18, -38.87)
CIE-LCH	lch(47.50, 38.93, 273.21°)
OKLab	oklab(54.74% -0.0337 -0.1103)
OKLCH	oklch(54.74% 0.115 253)
XYZ	xyz(15.9673, 16.4040, 44.4356)
Luminance	0.1641 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B73B2 #B27A3B

analogous

#3BAFB2 #3B73B2 #3F3BB2

triadic

#3B73B2 #B23B73 #73B23B

tetradic

#3B73B2 #B23BAF #B27A3B #3BB23F

square

#3B73B2 #B23BAF #B27A3B #3BB23F

split-complementary

#3B73B2 #B23F3B #AFB23B

monochromatic

#1D3856 #2C5584 #3B73B2 #6092CA #8EB1DA

Accessibility & contrast

On white

4.91

#3B73B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#3B73B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B73B2

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B73B2	#FFFFFF	#000000	##FFFFFF
##3B73B2	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5777B5

Deuteranopia (green-blind)

#466CB1

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3b73b2;
/* rgb */ color: rgb(59, 115, 178);
/* oklch */ color: oklch(54.7% 0.115 253.0);

Tailwind

colors: {
  custom: {
    50: '#7d9ac9',
    500: '#3b73b2',
    950: '#000000',
  },
}

SCSS

$custom: #3b73b2;
$custom-light: #7d9ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b73b2",
  "rgb": {
    "r": 59,
    "g": 115,
    "b": 178
  },
  "hsl": {
    "h": 211.765,
    "s": 50.211,
    "l": 46.471
  },
  "oklch": {
    "l": 0.54744,
    "c": 0.1153,
    "h": 253
  },
  "luminance": 0.16406
}

Semantic roles & 50–950 ramp

primary

#3B73B2

secondary

#C4A685

accent

#984EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3B73B2

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

Preview Lab → · Contrast checker → · Palette generator →