#3E73B8#3E73B8

#3E73B8 is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.2% C 0.122 H 255.8°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3E73B8
RGB	rgb(62, 115, 184)
HSL	hsl(214, 50%, 48%)
HSV	hsv(214, 66%, 72%)
CMYK	cmyk(66.3%, 37.5%, 0%, 27.8%)
CIE-LAB	lab(47.94, 4.83, -41.65)
CIE-LCH	lch(47.94, 41.93, 276.61°)
OKLab	oklab(55.22% -0.0299 -0.1184)
OKLCH	oklch(55.22% 0.122 255.8)
XYZ	xyz(16.7659, 16.7446, 47.6866)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E73B8 #B8833E

analogous

#3EB0B8 #3E73B8 #463EB8

triadic

#3E73B8 #B83E73 #73B83E

tetradic

#3E73B8 #B83EB0 #B8833E #3EB846

square

#3E73B8 #B83EB0 #B8833E #3EB846

split-complementary

#3E73B8 #B8463E #B0B83E

monochromatic

#1F3A5C #2F568A #3E73B8 #6793CC #95B4DB

Accessibility & contrast

On white

4.83

#3E73B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3E73B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E73B8

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E73B8	#FFFFFF	#000000	##FFFFFF
##3E73B8	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5478BB

Deuteranopia (green-blind)

#436DB7

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3e73b8;
/* rgb */ color: rgb(62, 115, 184);
/* oklch */ color: oklch(55.2% 0.122 255.8);

Tailwind

colors: {
  custom: {
    50: '#809acd',
    500: '#3e73b8',
    950: '#000000',
  },
}

SCSS

$custom: #3e73b8;
$custom-light: #809acd;
$custom-dark: #000000;

JSON

{
  "hex": "#3e73b8",
  "rgb": {
    "r": 62,
    "g": 115,
    "b": 184
  },
  "hsl": {
    "h": 213.934,
    "s": 49.593,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55222,
    "c": 0.12207,
    "h": 255.8
  },
  "luminance": 0.16746
}

Semantic roles & 50–950 ramp

primary

#3E73B8

secondary

#C7AD8B

accent

#9D4FD9

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3E73B8

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

Preview Lab → · Contrast checker → · Palette generator →