#3F586A#3F586A

#3F586A is a dark, muted cyan. Relative luminance 0.091; OKLCH L 44.8% C 0.042 H 240.2°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#3F586A
RGB	rgb(63, 88, 106)
HSL	hsl(205, 25%, 33%)
HSV	hsv(205, 41%, 42%)
CMYK	cmyk(40.6%, 17%, 0%, 58.4%)
CIE-LAB	lab(36.13, -4.31, -13.31)
CIE-LCH	lch(36.13, 13.99, 252.07°)
OKLab	oklab(44.76% -0.021 -0.0367)
OKLCH	oklch(44.76% 0.042 240.2)
XYZ	xyz(8.1403, 9.0764, 14.9559)
Luminance	0.0908 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F586A #6A513F

analogous

#3F6A66 #3F586A #3F426A

triadic

#3F586A #6A3F58 #586A3F

tetradic

#3F586A #663F6A #6A513F #426A3F

square

#3F586A #663F6A #6A513F #426A3F

split-complementary

#3F586A #6A3F42 #6A663F

monochromatic

#11181D #283844 #3F586A #567890 #7696AE

Accessibility & contrast

On white

7.46

#3F586A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3F586A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F586A

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F586A	#FFFFFF	#000000	##FFFFFF
##3F586A	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50586B

Deuteranopia (green-blind)

#4A536A

Tritanopia (blue-blind)

#305C5E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3f586a;
/* rgb */ color: rgb(63, 88, 106);
/* oklch */ color: oklch(44.8% 0.042 240.2);

Tailwind

colors: {
  custom: {
    50: '#768794',
    500: '#3f586a',
    950: '#000000',
  },
}

SCSS

$custom: #3f586a;
$custom-light: #768794;
$custom-dark: #000000;

JSON

{
  "hex": "#3f586a",
  "rgb": {
    "r": 63,
    "g": 88,
    "b": 106
  },
  "hsl": {
    "h": 205.116,
    "s": 25.444,
    "l": 33.137
  },
  "oklch": {
    "l": 0.44759,
    "c": 0.04231,
    "h": 240.2
  },
  "luminance": 0.09077
}

Semantic roles & 50–950 ramp

primary

#3F586A

secondary

#997F6C

accent

#8C66C2

background

#F7F8F9

surface

#EDEFF1

border

#C8CACB

text

#080B0D

muted

#7B7C7E

Preview Lab

Preview with #3F586A

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

Preview Lab → · Contrast checker → · Palette generator →