#3F809C#3F809C

#3F809C is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.9% C 0.079 H 228.6°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3F809C
RGB	rgb(63, 128, 156)
HSL	hsl(198, 42%, 43%)
HSV	hsv(198, 60%, 61%)
CMYK	cmyk(59.6%, 17.9%, 0%, 38.8%)
CIE-LAB	lab(50.56, -12.18, -21.27)
CIE-LCH	lch(50.56, 24.51, 240.21°)
OKLab	oklab(56.88% -0.0522 -0.0593)
OKLCH	oklch(56.88% 0.079 228.6)
XYZ	xyz(15.7675, 18.8939, 34.2620)
Luminance	0.1890 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F809C #9C5B3F

analogous

#3F9C8A #3F809C #3F519C

triadic

#3F809C #9C3F80 #809C3F

tetradic

#3F809C #8A3F9C #9C5B3F #519C3F

square

#3F809C #8A3F9C #9C5B3F #519C3F

split-complementary

#3F809C #9C3F51 #9C8A3F

monochromatic

#1C3845 #2D5C70 #3F809C #5BA0BD #87B9CE

Accessibility & contrast

On white

4.39

#3F809C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#3F809C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F809C

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F809C	#FFFFFF	#000000	##000000
##3F809C	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717E9D

Deuteranopia (green-blind)

#64749C

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3f809c;
/* rgb */ color: rgb(63, 128, 156);
/* oklch */ color: oklch(56.9% 0.079 228.6);

Tailwind

colors: {
  custom: {
    50: '#7da4b9',
    500: '#3f809c',
    950: '#000000',
  },
}

SCSS

$custom: #3f809c;
$custom-light: #7da4b9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f809c",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 156
  },
  "hsl": {
    "h": 198.065,
    "s": 42.466,
    "l": 42.941
  },
  "oklch": {
    "l": 0.56877,
    "c": 0.07901,
    "h": 228.6
  },
  "luminance": 0.18895
}

Semantic roles & 50–950 ramp

primary

#3F809C

secondary

#B9907E

accent

#7B56D2

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #3F809C

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

Preview Lab → · Contrast checker → · Palette generator →