#3F727E#3F727E

#3F727E is a mid, muted cyan. Relative luminance 0.146; OKLCH L 52.1% C 0.058 H 214.7°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3F727E
RGB	rgb(63, 114, 126)
HSL	hsl(191, 33%, 37%)
HSV	hsv(191, 50%, 49%)
CMYK	cmyk(50%, 9.5%, 0%, 50.6%)
CIE-LAB	lab(45.08, -13.61, -11.93)
CIE-LCH	lch(45.08, 18.10, 221.23°)
OKLab	oklab(52.12% -0.0476 -0.0329)
OKLCH	oklch(52.12% 0.058 214.7)
XYZ	xyz(11.8317, 14.5968, 21.9286)
Luminance	0.1460 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F727E #7E4B3F

analogous

#3F7E6B #3F727E #3F537E

triadic

#3F727E #7E3F72 #727E3F

tetradic

#3F727E #6B3F7E #7E4B3F #537E3F

square

#3F727E #6B3F7E #7E4B3F #537E3F

split-complementary

#3F727E #7E3F53 #7E6B3F

monochromatic

#16282C #2B4D55 #3F727E #5397A7 #7BB0BD

Accessibility & contrast

On white

5.36

#3F727E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#3F727E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F727E

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F727E	#FFFFFF	#000000	##FFFFFF
##3F727E	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696F7F

Deuteranopia (green-blind)

#5F677E

Tritanopia (blue-blind)

#1D7776

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3f727e;
/* rgb */ color: rgb(63, 114, 126);
/* oklch */ color: oklch(52.1% 0.058 214.7);

Tailwind

colors: {
  custom: {
    50: '#799aa3',
    500: '#3f727e',
    950: '#000000',
  },
}

SCSS

$custom: #3f727e;
$custom-light: #799aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f727e",
  "rgb": {
    "r": 63,
    "g": 114,
    "b": 126
  },
  "hsl": {
    "h": 191.429,
    "s": 33.333,
    "l": 37.059
  },
  "oklch": {
    "l": 0.52121,
    "c": 0.05785,
    "h": 214.7
  },
  "luminance": 0.14598
}

Semantic roles & 50–950 ramp

primary

#3F727E

secondary

#A77C72

accent

#735EC9

background

#F7F9FA

surface

#EEF2F3

border

#C9CCCD

text

#090E0F

muted

#7B7E7F

Preview Lab

Preview with #3F727E

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

Preview Lab → · Contrast checker → · Palette generator →