#3F79AD#3F79AD

#3F79AD is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 56.0% C 0.102 H 247.7°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3F79AD
RGB	rgb(63, 121, 173)
HSL	hsl(208, 47%, 46%)
HSV	hsv(208, 64%, 68%)
CMYK	cmyk(63.6%, 30.1%, 0%, 32.2%)
CIE-LAB	lab(49.19, -2.47, -33.30)
CIE-LCH	lch(49.19, 33.39, 265.76°)
OKLab	oklab(56.03% -0.0385 -0.0939)
OKLCH	oklch(56.03% 0.102 247.7)
XYZ	xyz(16.4273, 17.7470, 42.0869)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F79AD #AD733F

analogous

#3FADAA #3F79AD #3F42AD

triadic

#3F79AD #AD3F79 #79AD3F

tetradic

#3F79AD #AA3FAD #AD733F #42AD3F

square

#3F79AD #AA3FAD #AD733F #42AD3F

split-complementary

#3F79AD #AD3F42 #ADAA3F

monochromatic

#1E3A53 #2F5A80 #3F79AD #6397C6 #90B5D7

Accessibility & contrast

On white

4.62

#3F79AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3F79AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F79AD

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F79AD	#FFFFFF	#000000	##FFFFFF
##3F79AD	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627BAF

Deuteranopia (green-blind)

#5370AC

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3f79ad;
/* rgb */ color: rgb(63, 121, 173);
/* oklch */ color: oklch(56.0% 0.102 247.7);

Tailwind

colors: {
  custom: {
    50: '#7f9fc5',
    500: '#3f79ad',
    950: '#000000',
  },
}

SCSS

$custom: #3f79ad;
$custom-light: #7f9fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f79ad",
  "rgb": {
    "r": 63,
    "g": 121,
    "b": 173
  },
  "hsl": {
    "h": 208.364,
    "s": 46.61,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56032,
    "c": 0.10151,
    "h": 247.7
  },
  "luminance": 0.17749
}

Semantic roles & 50–950 ramp

primary

#3F79AD

secondary

#C2A286

accent

#9052D6

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3F79AD

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

Preview Lab → · Contrast checker → · Palette generator →