#3F779F#3F779F

#3F779F is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.8% C 0.086 H 241.7°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F779F
RGB	rgb(63, 119, 159)
HSL	hsl(205, 43%, 44%)
HSV	hsv(205, 60%, 62%)
CMYK	cmyk(60.4%, 25.2%, 0%, 37.6%)
CIE-LAB	lab(47.95, -6.02, -27.07)
CIE-LCH	lch(47.95, 27.73, 257.47°)
OKLab	oklab(54.84% -0.0408 -0.0759)
OKLCH	oklch(54.84% 0.086 241.7)
XYZ	xyz(14.9024, 16.7522, 35.2423)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F779F #9F673F

analogous

#3F9F97 #3F779F #3F479F

triadic

#3F779F #9F3F77 #779F3F

tetradic

#3F779F #973F9F #9F673F #479F3F

square

#3F779F #973F9F #9F673F #479F3F

split-complementary

#3F779F #9F3F47 #9F973F

monochromatic

#1C3547 #2E5673 #3F779F #5D96BF #88B2D0

Accessibility & contrast

On white

4.83

#3F779F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3F779F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F779F

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F779F	#FFFFFF	#000000	##FFFFFF
##3F779F	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6577A1

Deuteranopia (green-blind)

#586D9E

Tritanopia (blue-blind)

#008185

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3f779f;
/* rgb */ color: rgb(63, 119, 159);
/* oklch */ color: oklch(54.8% 0.086 241.7);

Tailwind

colors: {
  custom: {
    50: '#7d9ebb',
    500: '#3f779f',
    950: '#000000',
  },
}

SCSS

$custom: #3f779f;
$custom-light: #7d9ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f779f",
  "rgb": {
    "r": 63,
    "g": 119,
    "b": 159
  },
  "hsl": {
    "h": 205,
    "s": 43.243,
    "l": 43.529
  },
  "oklch": {
    "l": 0.54841,
    "c": 0.0862,
    "h": 241.7
  },
  "luminance": 0.16754
}

Semantic roles & 50–950 ramp

primary

#3F779F

secondary

#BB987F

accent

#8955D3

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3F779F

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

Preview Lab → · Contrast checker → · Palette generator →