#3F4B4E#3F4B4E

#3F4B4E is a dark, near-neutral cyan. Relative luminance 0.066; OKLCH L 40.3% C 0.016 H 214.5°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#3F4B4E
RGB	rgb(63, 75, 78)
HSL	hsl(192, 11%, 28%)
HSV	hsv(192, 19%, 31%)
CMYK	cmyk(19.2%, 3.8%, 0%, 69.4%)
CIE-LAB	lab(30.97, -4.03, -3.39)
CIE-LCH	lch(30.97, 5.26, 220.08°)
OKLab	oklab(40.34% -0.0133 -0.0092)
OKLCH	oklch(40.34% 0.016 214.5)
XYZ	xyz(5.9408, 6.6388, 8.1747)
Luminance	0.0664 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4B4E #4E423F

analogous

#3F4E49 #3F4B4E #3F434E

triadic

#3F4B4E #4E3F4B #4B4E3F

tetradic

#3F4B4E #493F4E #4E423F #434E3F

square

#3F4B4E #493F4E #4E423F #434E3F

split-complementary

#3F4B4E #4E3F43 #4E493F

monochromatic

#0E1011 #242A2C #3F4B4E #5A6C70 #778C91

Accessibility & contrast

On white

9.02

#3F4B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3F4B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4B4E

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4B4E	#FFFFFF	#000000	##FFFFFF
##3F4B4E	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494A4E

Deuteranopia (green-blind)

#46484E

Tritanopia (blue-blind)

#3B4C4C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3f4b4e;
/* rgb */ color: rgb(63, 75, 78);
/* oklch */ color: oklch(40.3% 0.016 214.5);

Tailwind

colors: {
  custom: {
    50: '#747d7f',
    500: '#3f4b4e',
    950: '#000000',
  },
}

SCSS

$custom: #3f4b4e;
$custom-light: #747d7f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4b4e",
  "rgb": {
    "r": 63,
    "g": 75,
    "b": 78
  },
  "hsl": {
    "h": 192,
    "s": 10.638,
    "l": 27.647
  },
  "oklch": {
    "l": 0.40337,
    "c": 0.0162,
    "h": 214.5
  },
  "luminance": 0.06639
}

Semantic roles & 50–950 ramp

primary

#3F4B4E

secondary

#7D6F6C

accent

#8174B4

background

#F7F7F7

surface

#EDEEEE

border

#C8C9C9

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #3F4B4E

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

Preview Lab → · Contrast checker → · Palette generator →