#3F5166#3F5166

#3F5166 is a dark, muted cyan. Relative luminance 0.079; OKLCH L 42.8% C 0.042 H 252.6°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#3F5166
RGB	rgb(63, 81, 102)
HSL	hsl(212, 24%, 32%)
HSV	hsv(212, 38%, 40%)
CMYK	cmyk(38.2%, 20.6%, 0%, 60%)
CIE-LAB	lab(33.77, -1.14, -14.41)
CIE-LCH	lch(33.77, 14.45, 265.46°)
OKLab	oklab(42.85% -0.0124 -0.0398)
OKLCH	oklch(42.85% 0.042 252.6)
XYZ	xyz(7.3899, 7.9006, 13.7034)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5166 #66543F

analogous

#3F6466 #3F5166 #413F66

triadic

#3F5166 #663F51 #51663F

tetradic

#3F5166 #663F64 #66543F #3F6641

square

#3F5166 #663F64 #66543F #3F6641

split-complementary

#3F5166 #66413F #64663F

monochromatic

#10151A #283340 #3F5166 #566F8C #758EAA

Accessibility & contrast

On white

8.14

#3F5166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3F5166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5166

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5166	#FFFFFF	#000000	##FFFFFF
##3F5166	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495267

Deuteranopia (green-blind)

#454E66

Tritanopia (blue-blind)

#325658

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3f5166;
/* rgb */ color: rgb(63, 81, 102);
/* oklch */ color: oklch(42.8% 0.042 252.6);

Tailwind

colors: {
  custom: {
    50: '#758191',
    500: '#3f5166',
    950: '#000000',
  },
}

SCSS

$custom: #3f5166;
$custom-light: #758191;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5166",
  "rgb": {
    "r": 63,
    "g": 81,
    "b": 102
  },
  "hsl": {
    "h": 212.308,
    "s": 23.636,
    "l": 32.353
  },
  "oklch": {
    "l": 0.42849,
    "c": 0.04169,
    "h": 252.6
  },
  "luminance": 0.07901
}

Semantic roles & 50–950 ramp

primary

#3F5166

secondary

#95826B

accent

#9768C0

background

#F7F7F8

surface

#EDEEF0

border

#C8C9CB

text

#080A0C

muted

#7B7C7D

Preview Lab

Preview with #3F5166

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

Preview Lab → · Contrast checker → · Palette generator →