#3F4E52#3F4E52

#3F4E52 is a dark, muted cyan. Relative luminance 0.071; OKLCH L 41.2% C 0.020 H 215.7°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E52
RGB	rgb(63, 78, 82)
HSL	hsl(193, 13%, 28%)
HSV	hsv(193, 23%, 32%)
CMYK	cmyk(23.2%, 4.9%, 0%, 67.8%)
CIE-LAB	lab(32.07, -4.87, -4.32)
CIE-LCH	lch(32.07, 6.51, 221.61°)
OKLab	oklab(41.25% -0.0163 -0.0117)
OKLCH	oklch(41.25% 0.02 215.7)
XYZ	xyz(6.2968, 7.1145, 9.0225)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E52 #52433F

analogous

#3F524C #3F4E52 #3F4452

triadic

#3F4E52 #523F4E #4E523F

tetradic

#3F4E52 #4C3F52 #52433F #44523F

square

#3F4E52 #4C3F52 #52433F #44523F

split-complementary

#3F4E52 #523F44 #524C3F

monochromatic

#0D1011 #242D2F #3F4E52 #5A6F75 #768F96

Accessibility & contrast

On white

8.67

#3F4E52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3F4E52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E52

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E52	#FFFFFF	#000000	##FFFFFF
##3F4E52	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4D52

Deuteranopia (green-blind)

#484A52

Tritanopia (blue-blind)

#39504F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f4e52;
/* rgb */ color: rgb(63, 78, 82);
/* oklch */ color: oklch(41.2% 0.020 215.7);

Tailwind

colors: {
  custom: {
    50: '#747f82',
    500: '#3f4e52',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e52;
$custom-light: #747f82;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e52",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 82
  },
  "hsl": {
    "h": 192.632,
    "s": 13.103,
    "l": 28.431
  },
  "oklch": {
    "l": 0.41249,
    "c": 0.0201,
    "h": 215.7
  },
  "luminance": 0.07115
}

Semantic roles & 50–950 ramp

primary

#3F4E52

secondary

#81706C

accent

#8072B6

background

#F7F7F7

surface

#EDEEEE

border

#C8C9C9

text

#080A0A

muted

#7B7C7C

Preview Lab

Preview with #3F4E52

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

Preview Lab → · Contrast checker → · Palette generator →