#3F73AD#3F73AD

#3F73AD is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.107 H 252.6°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F73AD
RGB	rgb(63, 115, 173)
HSL	hsl(212, 47%, 46%)
HSV	hsv(212, 64%, 68%)
CMYK	cmyk(63.6%, 33.5%, 0%, 32.2%)
CIE-LAB	lab(47.41, 1.14, -36.09)
CIE-LCH	lch(47.41, 36.11, 271.82°)
OKLab	oklab(54.64% -0.032 -0.1021)
OKLCH	oklch(54.64% 0.107 252.6)
XYZ	xyz(15.7207, 16.3339, 41.8513)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F73AD #AD793F

analogous

#3FAAAD #3F73AD #423FAD

triadic

#3F73AD #AD3F73 #73AD3F

tetradic

#3F73AD #AD3FAA #AD793F #3FAD42

square

#3F73AD #AD3FAA #AD793F #3FAD42

split-complementary

#3F73AD #AD423F #AAAD3F

monochromatic

#1E3753 #2F5580 #3F73AD #6392C6 #90B1D7

Accessibility & contrast

On white

4.92

#3F73AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3F73AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F73AD

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F73AD	#FFFFFF	#000000	##FFFFFF
##3F73AD	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A76AF

Deuteranopia (green-blind)

#4B6CAC

Tritanopia (blue-blind)

#008088

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f73ad;
/* rgb */ color: rgb(63, 115, 173);
/* oklch */ color: oklch(54.6% 0.107 252.6);

Tailwind

colors: {
  custom: {
    50: '#7e9bc5',
    500: '#3f73ad',
    950: '#000000',
  },
}

SCSS

$custom: #3f73ad;
$custom-light: #7e9bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f73ad",
  "rgb": {
    "r": 63,
    "g": 115,
    "b": 173
  },
  "hsl": {
    "h": 211.636,
    "s": 46.61,
    "l": 46.275
  },
  "oklch": {
    "l": 0.54635,
    "c": 0.107,
    "h": 252.6
  },
  "luminance": 0.16335
}

Semantic roles & 50–950 ramp

primary

#3F73AD

secondary

#C2A686

accent

#9852D6

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3F73AD

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

Preview Lab → · Contrast checker → · Palette generator →