#3E73BB#3E73BB

#3E73BB is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.4% C 0.126 H 256.6°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3E73BB
RGB	rgb(62, 115, 187)
HSL	hsl(215, 50%, 49%)
HSV	hsv(215, 67%, 73%)
CMYK	cmyk(66.8%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(48.10, 5.89, -43.13)
CIE-LCH	lch(48.10, 43.53, 277.78°)
OKLab	oklab(55.4% -0.0291 -0.1227)
OKLCH	oklch(55.4% 0.126 256.6)
XYZ	xyz(17.0837, 16.8717, 49.3603)
Luminance	0.1687 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E73BB #BB863E

analogous

#3EB2BB #3E73BB #483EBB

triadic

#3E73BB #BB3E73 #73BB3E

tetradic

#3E73BB #BB3EB2 #BB863E #3EBB48

square

#3E73BB #BB3EB2 #BB863E #3EBB48

split-complementary

#3E73BB #BB483E #B2BB3E

monochromatic

#203A5F #2F578D #3E73BB #6993CD #97B4DC

Accessibility & contrast

On white

4.80

#3E73BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3E73BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E73BB

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E73BB	#FFFFFF	#000000	##FFFFFF
##3E73BB	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BE

Deuteranopia (green-blind)

#406DBA

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3e73bb;
/* rgb */ color: rgb(62, 115, 187);
/* oklch */ color: oklch(55.4% 0.126 256.6);

Tailwind

colors: {
  custom: {
    50: '#809ad0',
    500: '#3e73bb',
    950: '#000000',
  },
}

SCSS

$custom: #3e73bb;
$custom-light: #809ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e73bb",
  "rgb": {
    "r": 62,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 214.56,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.554,
    "c": 0.12609,
    "h": 256.6
  },
  "luminance": 0.16873
}

Semantic roles & 50–950 ramp

primary

#3E73BB

secondary

#C8AF8D

accent

#9F4EDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3E73BB

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

Preview Lab → · Contrast checker → · Palette generator →