#3F809F#3F809F

#3F809F is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.0% C 0.082 H 231.3°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F809F
RGB	rgb(63, 128, 159)
HSL	hsl(199, 43%, 44%)
HSV	hsv(199, 60%, 62%)
CMYK	cmyk(60.4%, 19.5%, 0%, 37.6%)
CIE-LAB	lab(50.68, -11.21, -22.83)
CIE-LCH	lch(50.68, 25.44, 243.85°)
OKLab	oklab(57.01% -0.0511 -0.0637)
OKLCH	oklch(57.01% 0.082 231.3)
XYZ	xyz(16.0247, 18.9968, 35.6164)
Luminance	0.1900 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F809F #9F5E3F

analogous

#3F9F8E #3F809F #3F509F

triadic

#3F809F #9F3F80 #809F3F

tetradic

#3F809F #8E3F9F #9F5E3F #509F3F

square

#3F809F #8E3F9F #9F5E3F #509F3F

split-complementary

#3F809F #9F3F50 #9F8E3F

monochromatic

#1C3947 #2E5D73 #3F809F #5D9FBF #88B9D0

Accessibility & contrast

On white

4.38

#3F809F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#3F809F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F809F

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F809F	#FFFFFF	#000000	##000000
##3F809F	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717EA1

Deuteranopia (green-blind)

#63749F

Tritanopia (blue-blind)

#00898A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3f809f;
/* rgb */ color: rgb(63, 128, 159);
/* oklch */ color: oklch(57.0% 0.082 231.3);

Tailwind

colors: {
  custom: {
    50: '#7da4bb',
    500: '#3f809f',
    950: '#000000',
  },
}

SCSS

$custom: #3f809f;
$custom-light: #7da4bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f809f",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 159
  },
  "hsl": {
    "h": 199.375,
    "s": 43.243,
    "l": 43.529
  },
  "oklch": {
    "l": 0.57013,
    "c": 0.08169,
    "h": 231.3
  },
  "luminance": 0.18998
}

Semantic roles & 50–950 ramp

primary

#3F809F

secondary

#BB927F

accent

#7E55D3

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3F809F

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

Preview Lab → · Contrast checker → · Palette generator →