#3F809A#3F809A

#3F809A is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.8% C 0.077 H 226.7°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3F809A
RGB	rgb(63, 128, 154)
HSL	hsl(197, 42%, 43%)
HSV	hsv(197, 59%, 60%)
CMYK	cmyk(59.1%, 16.9%, 0%, 39.6%)
CIE-LAB	lab(50.48, -12.81, -20.23)
CIE-LCH	lch(50.48, 23.94, 237.64°)
OKLab	oklab(56.79% -0.053 -0.0563)
OKLCH	oklch(56.79% 0.077 226.7)
XYZ	xyz(15.5995, 18.8267, 33.3774)
Luminance	0.1883 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F809A #9A593F

analogous

#3F9A86 #3F809A #3F539A

triadic

#3F809A #9A3F80 #809A3F

tetradic

#3F809A #863F9A #9A593F #539A3F

square

#3F809A #863F9A #9A593F #539A3F

split-complementary

#3F809A #9A3F53 #9A863F

monochromatic

#1B3843 #2D5C6F #3F809A #5AA0BC #86B9CD

Accessibility & contrast

On white

4.41

#3F809A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#3F809A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F809A

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F809A	#FFFFFF	#000000	##000000
##3F809A	1.00	4.41	4.77	4.77
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727E9B

Deuteranopia (green-blind)

#65749A

Tritanopia (blue-blind)

#008888

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3f809a;
/* rgb */ color: rgb(63, 128, 154);
/* oklch */ color: oklch(56.8% 0.077 226.7);

Tailwind

colors: {
  custom: {
    50: '#7ca4b7',
    500: '#3f809a',
    950: '#000000',
  },
}

SCSS

$custom: #3f809a;
$custom-light: #7ca4b7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f809a",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 154
  },
  "hsl": {
    "h": 197.143,
    "s": 41.935,
    "l": 42.549
  },
  "oklch": {
    "l": 0.56788,
    "c": 0.07734,
    "h": 226.7
  },
  "luminance": 0.18828
}

Semantic roles & 50–950 ramp

primary

#3F809A

secondary

#B88E7D

accent

#7956D2

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #3F809A

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

Preview Lab → · Contrast checker → · Palette generator →