#3F4E55#3F4E55

#3F4E55 is a dark, muted cyan. Relative luminance 0.072; OKLCH L 41.4% C 0.022 H 227.8°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E55
RGB	rgb(63, 78, 85)
HSL	hsl(199, 15%, 29%)
HSV	hsv(199, 26%, 33%)
CMYK	cmyk(25.9%, 8.2%, 0%, 66.7%)
CIE-LAB	lab(32.17, -4.08, -6.08)
CIE-LCH	lch(32.17, 7.32, 236.15°)
OKLab	oklab(41.37% -0.015 -0.0165)
OKLCH	oklch(41.37% 0.022 227.8)
XYZ	xyz(6.4135, 7.1612, 9.6369)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E55 #55463F

analogous

#3F5551 #3F4E55 #3F4355

triadic

#3F4E55 #553F4E #4E553F

tetradic

#3F4E55 #513F55 #55463F #43553F

square

#3F4E55 #513F55 #55463F #43553F

split-complementary

#3F4E55 #553F43 #55513F

monochromatic

#0D1012 #252E32 #3F4E55 #596E78 #758E99

Accessibility & contrast

On white

8.63

#3F4E55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3F4E55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E55

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E55	#FFFFFF	#000000	##FFFFFF
##3F4E55	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4D55

Deuteranopia (green-blind)

#474B55

Tritanopia (blue-blind)

#395050

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3f4e55;
/* rgb */ color: rgb(63, 78, 85);
/* oklch */ color: oklch(41.4% 0.022 227.8);

Tailwind

colors: {
  custom: {
    50: '#747f84',
    500: '#3f4e55',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e55;
$custom-light: #747f84;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e55",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 85
  },
  "hsl": {
    "h": 199.091,
    "s": 14.865,
    "l": 29.02
  },
  "oklch": {
    "l": 0.41367,
    "c": 0.02229,
    "h": 227.8
  },
  "luminance": 0.07161
}

Semantic roles & 50–950 ramp

primary

#3F4E55

secondary

#84736B

accent

#8770B8

background

#F7F7F8

surface

#EDEEEF

border

#C8C9CA

text

#080A0B

muted

#7B7C7C

Preview Lab

Preview with #3F4E55

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

Preview Lab → · Contrast checker → · Palette generator →