#3F809E#3F809E

#3F809E is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.0% C 0.081 H 230.4°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F809E
RGB	rgb(63, 128, 158)
HSL	hsl(199, 43%, 43%)
HSV	hsv(199, 60%, 62%)
CMYK	cmyk(60.1%, 19%, 0%, 38%)
CIE-LAB	lab(50.64, -11.53, -22.31)
CIE-LCH	lch(50.64, 25.12, 242.67°)
OKLab	oklab(56.97% -0.0515 -0.0622)
OKLCH	oklch(56.97% 0.081 230.4)
XYZ	xyz(15.9383, 18.9622, 35.1613)
Luminance	0.1896 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F809E #9E5D3F

analogous

#3F9E8C #3F809E #3F519E

triadic

#3F809E #9E3F80 #809E3F

tetradic

#3F809E #8C3F9E #9E5D3F #519E3F

square

#3F809E #8C3F9E #9E5D3F #519E3F

split-complementary

#3F809E #9E3F51 #9E8C3F

monochromatic

#1C3946 #2E5D72 #3F809E #5C9FBE #88B9D0

Accessibility & contrast

On white

4.38

#3F809E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#3F809E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F809E

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F809E	#FFFFFF	#000000	##000000
##3F809E	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717EA0

Deuteranopia (green-blind)

#63749E

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3f809e;
/* rgb */ color: rgb(63, 128, 158);
/* oklch */ color: oklch(57.0% 0.081 230.4);

Tailwind

colors: {
  custom: {
    50: '#7da4ba',
    500: '#3f809e',
    950: '#000000',
  },
}

SCSS

$custom: #3f809e;
$custom-light: #7da4ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f809e",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 158
  },
  "hsl": {
    "h": 198.947,
    "s": 42.986,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56968,
    "c": 0.08077,
    "h": 230.4
  },
  "luminance": 0.18964
}

Semantic roles & 50–950 ramp

primary

#3F809E

secondary

#BA917F

accent

#7D55D3

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #3F809E

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

Preview Lab → · Contrast checker → · Palette generator →