#3F79AE#3F79AE

#3F79AE is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 56.1% C 0.103 H 248.2°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3F79AE
RGB	rgb(63, 121, 174)
HSL	hsl(209, 47%, 46%)
HSV	hsv(209, 64%, 68%)
CMYK	cmyk(63.8%, 30.5%, 0%, 31.8%)
CIE-LAB	lab(49.24, -2.13, -33.80)
CIE-LCH	lch(49.24, 33.87, 266.40°)
OKLab	oklab(56.08% -0.0382 -0.0954)
OKLCH	oklch(56.08% 0.103 248.2)
XYZ	xyz(16.5244, 17.7859, 42.5984)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F79AE #AE743F

analogous

#3FAEAC #3F79AE #3F42AE

triadic

#3F79AE #AE3F79 #79AE3F

tetradic

#3F79AE #AC3FAE #AE743F #42AE3F

square

#3F79AE #AC3FAE #AE743F #42AE3F

split-complementary

#3F79AE #AE3F42 #AEAC3F

monochromatic

#1E3B54 #2F5A81 #3F79AE #6497C7 #90B5D7

Accessibility & contrast

On white

4.61

#3F79AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3F79AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F79AE

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F79AE	#FFFFFF	#000000	##FFFFFF
##3F79AE	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627BB0

Deuteranopia (green-blind)

#5370AD

Tritanopia (blue-blind)

#00868C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3f79ae;
/* rgb */ color: rgb(63, 121, 174);
/* oklch */ color: oklch(56.1% 0.103 248.2);

Tailwind

colors: {
  custom: {
    50: '#7f9fc6',
    500: '#3f79ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f79ae;
$custom-light: #7f9fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f79ae",
  "rgb": {
    "r": 63,
    "g": 121,
    "b": 174
  },
  "hsl": {
    "h": 208.649,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56085,
    "c": 0.10275,
    "h": 248.2
  },
  "luminance": 0.17787
}

Semantic roles & 50–950 ramp

primary

#3F79AE

secondary

#C2A387

accent

#9151D6

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3F79AE

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

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