#3F779E#3F779E

#3F779E is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.8% C 0.085 H 241.1°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F779E
RGB	rgb(63, 119, 158)
HSL	hsl(205, 43%, 43%)
HSV	hsv(205, 60%, 62%)
CMYK	cmyk(60.1%, 24.7%, 0%, 38%)
CIE-LAB	lab(47.90, -6.35, -26.55)
CIE-LCH	lch(47.90, 27.30, 256.55°)
OKLab	oklab(54.79% -0.0412 -0.0744)
OKLCH	oklch(54.79% 0.085 241.1)
XYZ	xyz(14.8160, 16.7177, 34.7872)
Luminance	0.1672 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F779E #9E663F

analogous

#3F9E95 #3F779E #3F479E

triadic

#3F779E #9E3F77 #779E3F

tetradic

#3F779E #953F9E #9E663F #479E3F

square

#3F779E #953F9E #9E663F #479E3F

split-complementary

#3F779E #9E3F47 #9E953F

monochromatic

#1C3546 #2E5672 #3F779E #5C96BE #88B2D0

Accessibility & contrast

On white

4.83

#3F779E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3F779E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F779E

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F779E	#FFFFFF	#000000	##FFFFFF
##3F779E	1.00	4.83	4.34	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6677A0

Deuteranopia (green-blind)

#596D9D

Tritanopia (blue-blind)

#008184

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3f779e;
/* rgb */ color: rgb(63, 119, 158);
/* oklch */ color: oklch(54.8% 0.085 241.1);

Tailwind

colors: {
  custom: {
    50: '#7c9eba',
    500: '#3f779e',
    950: '#000000',
  },
}

SCSS

$custom: #3f779e;
$custom-light: #7c9eba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f779e",
  "rgb": {
    "r": 63,
    "g": 119,
    "b": 158
  },
  "hsl": {
    "h": 204.632,
    "s": 42.986,
    "l": 43.333
  },
  "oklch": {
    "l": 0.54792,
    "c": 0.08506,
    "h": 241.1
  },
  "luminance": 0.16719
}

Semantic roles & 50–950 ramp

primary

#3F779E

secondary

#BA977F

accent

#8955D3

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #3F779E

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

Preview Lab → · Contrast checker → · Palette generator →