#3F7D8A#3F7D8A

#3F7D8A is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.4% C 0.067 H 213.0°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3F7D8A
RGB	rgb(63, 125, 138)
HSL	hsl(190, 37%, 39%)
HSV	hsv(190, 54%, 54%)
CMYK	cmyk(54.3%, 9.4%, 0%, 45.9%)
CIE-LAB	lab(48.96, -16.11, -13.18)
CIE-LCH	lch(48.96, 20.82, 219.28°)
OKLab	oklab(55.37% -0.056 -0.0364)
OKLCH	oklch(55.37% 0.067 213)
XYZ	xyz(13.9692, 17.5577, 26.6927)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7D8A #8A4C3F

analogous

#3F8A72 #3F7D8A #3F588A

triadic

#3F7D8A #8A3F7D #7D8A3F

tetradic

#3F7D8A #723F8A #8A4C3F #588A3F

square

#3F7D8A #723F8A #8A4C3F #588A3F

split-complementary

#3F7D8A #8A3F58 #8A723F

monochromatic

#193136 #2C5760 #3F7D8A #55A1B1 #7FB8C5

Accessibility & contrast

On white

4.65

#3F7D8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#3F7D8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7D8A

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7D8A	#FFFFFF	#000000	##FFFFFF
##3F7D8A	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#73798B

Deuteranopia (green-blind)

#67718A

Tritanopia (blue-blind)

#048281

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3f7d8a;
/* rgb */ color: rgb(63, 125, 138);
/* oklch */ color: oklch(55.4% 0.067 213.0);

Tailwind

colors: {
  custom: {
    50: '#7aa2ac',
    500: '#3f7d8a',
    950: '#000000',
  },
}

SCSS

$custom: #3f7d8a;
$custom-light: #7aa2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7d8a",
  "rgb": {
    "r": 63,
    "g": 125,
    "b": 138
  },
  "hsl": {
    "h": 190.4,
    "s": 37.313,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55368,
    "c": 0.06683,
    "h": 213
  },
  "luminance": 0.17559
}

Semantic roles & 50–950 ramp

primary

#3F7D8A

secondary

#AF8076

accent

#6E5BCD

background

#F7FAFA

surface

#EEF3F4

border

#C9CDCE

text

#0A0F10

muted

#7C7F7F

Preview Lab

Preview with #3F7D8A

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

Preview Lab → · Contrast checker → · Palette generator →