#3F554D#3F554D

#3F554D is a dark, muted teal. Relative luminance 0.081; OKLCH L 42.9% C 0.030 H 170.5°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#3F554D
RGB	rgb(63, 85, 77)
HSL	hsl(158, 15%, 29%)
HSV	hsv(158, 26%, 33%)
CMYK	cmyk(25.9%, 0%, 9.4%, 66.7%)
CIE-LAB	lab(34.17, -10.34, 1.93)
CIE-LCH	lch(34.17, 10.52, 169.43°)
OKLab	oklab(42.87% -0.0297 0.005)
OKLCH	oklch(42.87% 0.03 170.5)
XYZ	xyz(6.6376, 8.0893, 8.2314)
Luminance	0.0809 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F554D #553F47

analogous

#3F5542 #3F554D #3F5255

triadic

#3F554D #4D3F55 #554D3F

tetradic

#3F554D #423F55 #553F47 #52553F

square

#3F554D #423F55 #553F47 #52553F

split-complementary

#3F554D #553F52 #55423F

monochromatic

#0D1210 #25322D #3F554D #59786D #75998C

Accessibility & contrast

On white

8.02

#3F554D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3F554D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F554D

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F554D	#FFFFFF	#000000	##FFFFFF
##3F554D	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54524D

Deuteranopia (green-blind)

#504F4E

Tritanopia (blue-blind)

#3A5553

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3f554d;
/* rgb */ color: rgb(63, 85, 77);
/* oklch */ color: oklch(42.9% 0.030 170.5);

Tailwind

colors: {
  custom: {
    50: '#74857e',
    500: '#3f554d',
    950: '#000000',
  },
}

SCSS

$custom: #3f554d;
$custom-light: #74857e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f554d",
  "rgb": {
    "r": 63,
    "g": 85,
    "b": 77
  },
  "hsl": {
    "h": 158.182,
    "s": 14.865,
    "l": 29.02
  },
  "oklch": {
    "l": 0.42868,
    "c": 0.03008,
    "h": 170.5
  },
  "luminance": 0.0809
}

Semantic roles & 50–950 ramp

primary

#3F554D

secondary

#846B74

accent

#708AB8

background

#F7F8F7

surface

#EDEFEE

border

#C8CAC9

text

#080B0A

muted

#7B7C7C

Preview Lab

Preview with #3F554D

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

Preview Lab → · Contrast checker → · Palette generator →