#3F798F#3F798F

#3F798F is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.6% C 0.070 H 225.1°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3F798F
RGB	rgb(63, 121, 143)
HSL	hsl(197, 39%, 40%)
HSV	hsv(197, 56%, 56%)
CMYK	cmyk(55.9%, 15.4%, 0%, 43.9%)
CIE-LAB	lab(47.90, -12.35, -17.74)
CIE-LCH	lch(47.90, 21.61, 235.15°)
OKLab	oklab(54.58% -0.0491 -0.0492)
OKLCH	oklch(54.58% 0.07 225.1)
XYZ	xyz(13.8433, 16.7134, 28.4778)
Luminance	0.1671 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F798F #8F553F

analogous

#3F8F7D #3F798F #3F518F

triadic

#3F798F #8F3F79 #798F3F

tetradic

#3F798F #7D3F8F #8F553F #518F3F

square

#3F798F #7D3F8F #8F553F #518F3F

split-complementary

#3F798F #8F3F51 #8F7D3F

monochromatic

#1A313A #2C5565 #3F798F #569BB5 #81B4C7

Accessibility & contrast

On white

4.84

#3F798F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3F798F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F798F

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F798F	#FFFFFF	#000000	##FFFFFF
##3F798F	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7790

Deuteranopia (green-blind)

#616E8F

Tritanopia (blue-blind)

#008080

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3f798f;
/* rgb */ color: rgb(63, 121, 143);
/* oklch */ color: oklch(54.6% 0.070 225.1);

Tailwind

colors: {
  custom: {
    50: '#7b9faf',
    500: '#3f798f',
    950: '#000000',
  },
}

SCSS

$custom: #3f798f;
$custom-light: #7b9faf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f798f",
  "rgb": {
    "r": 63,
    "g": 121,
    "b": 143
  },
  "hsl": {
    "h": 196.5,
    "s": 38.835,
    "l": 40.392
  },
  "oklch": {
    "l": 0.54583,
    "c": 0.06957,
    "h": 225.1
  },
  "luminance": 0.16715
}

Semantic roles & 50–950 ramp

primary

#3F798F

secondary

#B28878

accent

#7959CF

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0E10

muted

#7C7E7F

Preview Lab

Preview with #3F798F

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

Preview Lab → · Contrast checker → · Palette generator →