#3F77A2#3F77A2

#3F77A2 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.0% C 0.090 H 243.7°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F77A2
RGB	rgb(63, 119, 162)
HSL	hsl(206, 44%, 44%)
HSV	hsv(206, 61%, 64%)
CMYK	cmyk(61.1%, 26.5%, 0%, 36.5%)
CIE-LAB	lab(48.08, -5.01, -28.62)
CIE-LCH	lch(48.08, 29.05, 260.06°)
OKLab	oklab(54.99% -0.0398 -0.0804)
OKLCH	oklch(54.99% 0.09 243.7)
XYZ	xyz(15.1659, 16.8576, 36.6300)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F77A2 #A26A3F

analogous

#3FA29C #3F77A2 #3F45A2

triadic

#3F77A2 #A23F77 #77A23F

tetradic

#3F77A2 #9C3FA2 #A26A3F #45A23F

square

#3F77A2 #9C3FA2 #A26A3F #45A23F

split-complementary

#3F77A2 #A23F45 #A29C3F

monochromatic

#1D364A #2E5776 #3F77A2 #5E96C0 #8AB2D1

Accessibility & contrast

On white

4.80

#3F77A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3F77A2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F77A2

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F77A2	#FFFFFF	#000000	##FFFFFF
##3F77A2	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6478A4

Deuteranopia (green-blind)

#576EA1

Tritanopia (blue-blind)

#008186

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3f77a2;
/* rgb */ color: rgb(63, 119, 162);
/* oklch */ color: oklch(55.0% 0.090 243.7);

Tailwind

colors: {
  custom: {
    50: '#7d9ebd',
    500: '#3f77a2',
    950: '#000000',
  },
}

SCSS

$custom: #3f77a2;
$custom-light: #7d9ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f77a2",
  "rgb": {
    "r": 63,
    "g": 119,
    "b": 162
  },
  "hsl": {
    "h": 206.061,
    "s": 44,
    "l": 44.118
  },
  "oklch": {
    "l": 0.54991,
    "c": 0.08971,
    "h": 243.7
  },
  "luminance": 0.16859
}

Semantic roles & 50–950 ramp

primary

#3F77A2

secondary

#BC9A81

accent

#8C54D4

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3F77A2

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

Preview Lab → · Contrast checker → · Palette generator →