#3F71A1#3F71A1

#3F71A1 is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.5% C 0.093 H 249.1°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3F71A1
RGB	rgb(63, 113, 161)
HSL	hsl(209, 44%, 44%)
HSV	hsv(209, 61%, 63%)
CMYK	cmyk(60.9%, 29.8%, 0%, 36.9%)
CIE-LAB	lab(46.23, -1.77, -30.92)
CIE-LCH	lch(46.23, 30.97, 266.72°)
OKLab	oklab(53.52% -0.0333 -0.0871)
OKLCH	oklch(53.52% 0.093 249.1)
XYZ	xyz(14.3857, 15.4389, 35.9332)
Luminance	0.1544 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F71A1 #A16F3F

analogous

#3FA1A0 #3F71A1 #3F40A1

triadic

#3F71A1 #A13F71 #71A13F

tetradic

#3F71A1 #A03FA1 #A16F3F #40A13F

square

#3F71A1 #A03FA1 #A16F3F #40A13F

split-complementary

#3F71A1 #A13F40 #A1A03F

monochromatic

#1D3349 #2E5275 #3F71A1 #5D90C0 #89AED1

Accessibility & contrast

On white

5.14

#3F71A1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#3F71A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F71A1

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F71A1	#FFFFFF	#000000	##FFFFFF
##3F71A1	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D73A3

Deuteranopia (green-blind)

#4F69A0

Tritanopia (blue-blind)

#007C82

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3f71a1;
/* rgb */ color: rgb(63, 113, 161);
/* oklch */ color: oklch(53.5% 0.093 249.1);

Tailwind

colors: {
  custom: {
    50: '#7d99bd',
    500: '#3f71a1',
    950: '#000000',
  },
}

SCSS

$custom: #3f71a1;
$custom-light: #7d99bd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f71a1",
  "rgb": {
    "r": 63,
    "g": 113,
    "b": 161
  },
  "hsl": {
    "h": 209.388,
    "s": 43.75,
    "l": 43.922
  },
  "oklch": {
    "l": 0.53517,
    "c": 0.09325,
    "h": 249.1
  },
  "luminance": 0.1544
}

Semantic roles & 50–950 ramp

primary

#3F71A1

secondary

#BC9D80

accent

#9354D3

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3F71A1

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

Preview Lab → · Contrast checker → · Palette generator →