#3F778D#3F778D

#3F778D is a mid, moderate cyan. Relative luminance 0.162; OKLCH L 54.0% C 0.068 H 225.8°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F778D
RGB	rgb(63, 119, 141)
HSL	hsl(197, 38%, 40%)
HSV	hsv(197, 55%, 55%)
CMYK	cmyk(55.3%, 15.6%, 0%, 44.7%)
CIE-LAB	lab(47.20, -11.84, -17.62)
CIE-LCH	lch(47.20, 21.23, 236.10°)
OKLab	oklab(54% -0.0475 -0.0489)
OKLCH	oklch(54% 0.068 225.8)
XYZ	xyz(13.4526, 16.1723, 27.6068)
Luminance	0.1617 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F778D #8D553F

analogous

#3F8D7C #3F778D #3F508D

triadic

#3F778D #8D3F77 #778D3F

tetradic

#3F778D #7C3F8D #8D553F #508D3F

square

#3F778D #7C3F8D #8D553F #508D3F

split-complementary

#3F778D #8D3F50 #8D7C3F

monochromatic

#193038 #2C5363 #3F778D #5699B3 #80B2C6

Accessibility & contrast

On white

4.96

#3F778D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#3F778D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F778D

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F778D	#FFFFFF	#000000	##FFFFFF
##3F778D	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B758E

Deuteranopia (green-blind)

#606C8D

Tritanopia (blue-blind)

#027E7E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f778d;
/* rgb */ color: rgb(63, 119, 141);
/* oklch */ color: oklch(54.0% 0.068 225.8);

Tailwind

colors: {
  custom: {
    50: '#7a9eae',
    500: '#3f778d',
    950: '#000000',
  },
}

SCSS

$custom: #3f778d;
$custom-light: #7a9eae;
$custom-dark: #000000;

JSON

{
  "hex": "#3f778d",
  "rgb": {
    "r": 63,
    "g": 119,
    "b": 141
  },
  "hsl": {
    "h": 196.923,
    "s": 38.235,
    "l": 40
  },
  "oklch": {
    "l": 0.54002,
    "c": 0.06822,
    "h": 225.8
  },
  "luminance": 0.16174
}

Semantic roles & 50–950 ramp

primary

#3F778D

secondary

#B18777

accent

#7A5ACE

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0E10

muted

#7C7E7F

Preview Lab

Preview with #3F778D

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

Preview Lab → · Contrast checker → · Palette generator →