#3F879A#3F879A

#3F879A is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.5% C 0.077 H 217.6°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3F879A
RGB	rgb(63, 135, 154)
HSL	hsl(193, 42%, 43%)
HSV	hsv(193, 59%, 60%)
CMYK	cmyk(59.1%, 12.3%, 0%, 39.6%)
CIE-LAB	lab(52.64, -16.68, -16.94)
CIE-LCH	lch(52.64, 23.77, 225.44°)
OKLab	oklab(58.51% -0.0611 -0.047)
OKLCH	oklch(58.51% 0.077 217.6)
XYZ	xyz(16.5443, 20.7162, 33.6923)
Luminance	0.2072 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F879A #9A523F

analogous

#3F9A7F #3F879A #3F5A9A

triadic

#3F879A #9A3F87 #879A3F

tetradic

#3F879A #7F3F9A #9A523F #5A9A3F

square

#3F879A #7F3F9A #9A523F #5A9A3F

split-complementary

#3F879A #9A3F5A #9A7F3F

monochromatic

#1B3B43 #2D616F #3F879A #5AA7BC #86BFCD

Accessibility & contrast

On white

4.08

#3F879A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#3F879A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F879A

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F879A	#FFFFFF	#000000	##000000
##3F879A	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B839B

Deuteranopia (green-blind)

#6D799A

Tritanopia (blue-blind)

#008E8D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f879a;
/* rgb */ color: rgb(63, 135, 154);
/* oklch */ color: oklch(58.5% 0.077 217.6);

Tailwind

colors: {
  custom: {
    50: '#7daab7',
    500: '#3f879a',
    950: '#000000',
  },
}

SCSS

$custom: #3f879a;
$custom-light: #7daab7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f879a",
  "rgb": {
    "r": 63,
    "g": 135,
    "b": 154
  },
  "hsl": {
    "h": 192.527,
    "s": 41.935,
    "l": 42.549
  },
  "oklch": {
    "l": 0.58509,
    "c": 0.07705,
    "h": 217.6
  },
  "luminance": 0.20718
}

Semantic roles & 50–950 ramp

primary

#3F879A

secondary

#B8897D

accent

#7056D2

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #3F879A

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

Preview Lab → · Contrast checker → · Palette generator →