#3F779D#3F779D

#3F779D is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.7% C 0.084 H 240.3°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3F779D
RGB	rgb(63, 119, 157)
HSL	hsl(204, 43%, 43%)
HSV	hsv(204, 60%, 62%)
CMYK	cmyk(59.9%, 24.2%, 0%, 38.4%)
CIE-LAB	lab(47.86, -6.68, -26.03)
CIE-LCH	lch(47.86, 26.87, 255.61°)
OKLab	oklab(54.74% -0.0415 -0.0729)
OKLCH	oklch(54.74% 0.084 240.3)
XYZ	xyz(14.7303, 16.6834, 34.3357)
Luminance	0.1668 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F779D #9D653F

analogous

#3F9D94 #3F779D #3F489D

triadic

#3F779D #9D3F77 #779D3F

tetradic

#3F779D #943F9D #9D653F #489D3F

square

#3F779D #943F9D #9D653F #489D3F

split-complementary

#3F779D #9D3F48 #9D943F

monochromatic

#1C3546 #2D5671 #3F779D #5C96BD #87B2CF

Accessibility & contrast

On white

4.84

#3F779D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3F779D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F779D

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F779D	#FFFFFF	#000000	##FFFFFF
##3F779D	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)

#66779F

Deuteranopia (green-blind)

#596D9C

Tritanopia (blue-blind)

#008084

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3f779d;
/* rgb */ color: rgb(63, 119, 157);
/* oklch */ color: oklch(54.7% 0.084 240.3);

Tailwind

colors: {
  custom: {
    50: '#7c9eba',
    500: '#3f779d',
    950: '#000000',
  },
}

SCSS

$custom: #3f779d;
$custom-light: #7c9eba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f779d",
  "rgb": {
    "r": 63,
    "g": 119,
    "b": 157
  },
  "hsl": {
    "h": 204.255,
    "s": 42.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.54743,
    "c": 0.08393,
    "h": 240.3
  },
  "luminance": 0.16685
}

Semantic roles & 50–950 ramp

primary

#3F779D

secondary

#BA967E

accent

#8855D3

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #3F779D

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

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