#3F4E59#3F4E59

#3F4E59 is a dark, muted cyan. Relative luminance 0.072; OKLCH L 41.5% C 0.026 H 240.1°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E59
RGB	rgb(63, 78, 89)
HSL	hsl(205, 17%, 30%)
HSV	hsv(205, 29%, 35%)
CMYK	cmyk(29.2%, 12.4%, 0%, 65.1%)
CIE-LAB	lab(32.32, -2.99, -8.40)
CIE-LCH	lch(32.32, 8.92, 250.40°)
OKLab	oklab(41.53% -0.0132 -0.0229)
OKLCH	oklch(41.53% 0.026 240.1)
XYZ	xyz(6.5769, 7.2266, 10.4976)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E59 #594A3F

analogous

#3F5957 #3F4E59 #3F4159

triadic

#3F4E59 #593F4E #4E593F

tetradic

#3F4E59 #573F59 #594A3F #41593F

square

#3F4E59 #573F59 #594A3F #41593F

split-complementary

#3F4E59 #593F41 #59573F

monochromatic

#0D1012 #262F35 #3F4E59 #586D7D #758C9D

Accessibility & contrast

On white

8.59

#3F4E59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3F4E59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E59

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E59	#FFFFFF	#000000	##FFFFFF
##3F4E59	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494E5A

Deuteranopia (green-blind)

#464B59

Tritanopia (blue-blind)

#375151

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3f4e59;
/* rgb */ color: rgb(63, 78, 89);
/* oklch */ color: oklch(41.5% 0.026 240.1);

Tailwind

colors: {
  custom: {
    50: '#747f87',
    500: '#3f4e59',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e59;
$custom-light: #747f87;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e59",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 89
  },
  "hsl": {
    "h": 205.385,
    "s": 17.105,
    "l": 29.804
  },
  "oklch": {
    "l": 0.41531,
    "c": 0.02647,
    "h": 240.1
  },
  "luminance": 0.07227
}

Semantic roles & 50–950 ramp

primary

#3F4E59

secondary

#88786B

accent

#8E6EBA

background

#F7F7F8

surface

#EDEEEF

border

#C8C9CA

text

#080A0B

muted

#7B7C7C

Preview Lab

Preview with #3F4E59

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

Preview Lab → · Contrast checker → · Palette generator →