#3F72A3#3F72A3

#3F72A3 is a mid, moderate cyan. Relative luminance 0.157; OKLCH L 53.9% C 0.095 H 249.1°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#3F72A3
RGB	rgb(63, 114, 163)
HSL	hsl(209, 44%, 44%)
HSV	hsv(209, 61%, 64%)
CMYK	cmyk(61.3%, 30.1%, 0%, 36.1%)
CIE-LAB	lab(46.62, -1.69, -31.48)
CIE-LCH	lch(46.62, 31.52, 266.92°)
OKLab	oklab(53.86% -0.0338 -0.0887)
OKLCH	oklch(53.86% 0.095 249.1)
XYZ	xyz(14.6757, 15.7344, 36.9069)
Luminance	0.1574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F72A3 #A3703F

analogous

#3FA3A2 #3F72A3 #3F40A3

triadic

#3F72A3 #A33F72 #72A33F

tetradic

#3F72A3 #A23FA3 #A3703F #40A33F

square

#3F72A3 #A23FA3 #A3703F #40A33F

split-complementary

#3F72A3 #A33F40 #A3A23F

monochromatic

#1D344B #2E5377 #3F72A3 #5E91C1 #8AAFD2

Accessibility & contrast

On white

5.06

#3F72A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#3F72A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F72A3

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F72A3	#FFFFFF	#000000	##FFFFFF
##3F72A3	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D74A5

Deuteranopia (green-blind)

#506AA2

Tritanopia (blue-blind)

#007D83

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3f72a3;
/* rgb */ color: rgb(63, 114, 163);
/* oklch */ color: oklch(53.9% 0.095 249.1);

Tailwind

colors: {
  custom: {
    50: '#7d9abe',
    500: '#3f72a3',
    950: '#000000',
  },
}

SCSS

$custom: #3f72a3;
$custom-light: #7d9abe;
$custom-dark: #000000;

JSON

{
  "hex": "#3f72a3",
  "rgb": {
    "r": 63,
    "g": 114,
    "b": 163
  },
  "hsl": {
    "h": 209.4,
    "s": 44.248,
    "l": 44.314
  },
  "oklch": {
    "l": 0.53859,
    "c": 0.09494,
    "h": 249.1
  },
  "luminance": 0.15736
}

Semantic roles & 50–950 ramp

primary

#3F72A3

secondary

#BD9E81

accent

#9354D4

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3F72A3

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

Preview Lab → · Contrast checker → · Palette generator →