#3F798E#3F798E

#3F798E is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.5% C 0.069 H 223.9°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3F798E
RGB	rgb(63, 121, 142)
HSL	hsl(196, 39%, 40%)
HSV	hsv(196, 56%, 56%)
CMYK	cmyk(55.6%, 14.8%, 0%, 44.3%)
CIE-LAB	lab(47.86, -12.66, -17.20)
CIE-LCH	lch(47.86, 21.36, 233.65°)
OKLab	oklab(54.54% -0.0495 -0.0477)
OKLCH	oklch(54.54% 0.069 223.9)
XYZ	xyz(13.7679, 16.6833, 28.0806)
Luminance	0.1668 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F798E #8E543F

analogous

#3F8E7B #3F798E #3F528E

triadic

#3F798E #8E3F79 #798E3F

tetradic

#3F798E #7B3F8E #8E543F #528E3F

square

#3F798E #7B3F8E #8E543F #528E3F

split-complementary

#3F798E #8E3F52 #8E7B3F

monochromatic

#193139 #2C5564 #3F798E #569BB4 #81B4C7

Accessibility & contrast

On white

4.84

#3F798E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3F798E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F798E

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F798E	#FFFFFF	#000000	##FFFFFF
##3F798E	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)

#6D778F

Deuteranopia (green-blind)

#626E8E

Tritanopia (blue-blind)

#007F80

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3f798e;
/* rgb */ color: rgb(63, 121, 142);
/* oklch */ color: oklch(54.5% 0.069 223.9);

Tailwind

colors: {
  custom: {
    50: '#7b9faf',
    500: '#3f798e',
    950: '#000000',
  },
}

SCSS

$custom: #3f798e;
$custom-light: #7b9faf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f798e",
  "rgb": {
    "r": 63,
    "g": 121,
    "b": 142
  },
  "hsl": {
    "h": 195.949,
    "s": 38.537,
    "l": 40.196
  },
  "oklch": {
    "l": 0.5454,
    "c": 0.06881,
    "h": 223.9
  },
  "luminance": 0.16684
}

Semantic roles & 50–950 ramp

primary

#3F798E

secondary

#B18778

accent

#7859CE

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0E10

muted

#7C7E7F

Preview Lab

Preview with #3F798E

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

Preview Lab → · Contrast checker → · Palette generator →