#3F6C8D#3F6C8D

#3F6C8D is a mid, moderate cyan. Relative luminance 0.137; OKLCH L 51.3% C 0.072 H 241.8°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#3F6C8D
RGB	rgb(63, 108, 141)
HSL	hsl(205, 38%, 40%)
HSV	hsv(205, 55%, 55%)
CMYK	cmyk(55.3%, 23.4%, 0%, 44.7%)
CIE-LAB	lab(43.81, -5.44, -22.84)
CIE-LCH	lch(43.81, 23.48, 256.61°)
OKLab	oklab(51.31% -0.0341 -0.0638)
OKLCH	oklch(51.31% 0.072 241.8)
XYZ	xyz(12.2184, 13.7040, 27.1954)
Luminance	0.1371 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6C8D #8D603F

analogous

#3F8D87 #3F6C8D #3F458D

triadic

#3F6C8D #8D3F6C #6C8D3F

tetradic

#3F6C8D #873F8D #8D603F #458D3F

square

#3F6C8D #873F8D #8D603F #458D3F

split-complementary

#3F6C8D #8D3F45 #8D873F

monochromatic

#192B38 #2C4C63 #3F6C8D #568CB3 #80A9C6

Accessibility & contrast

On white

5.61

#3F6C8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#3F6C8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6C8D

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6C8D	#FFFFFF	#000000	##FFFFFF
##3F6C8D	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6C8F

Deuteranopia (green-blind)

#53648C

Tritanopia (blue-blind)

#0B7477

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3f6c8d;
/* rgb */ color: rgb(63, 108, 141);
/* oklch */ color: oklch(51.3% 0.072 241.8);

Tailwind

colors: {
  custom: {
    50: '#7a96ae',
    500: '#3f6c8d',
    950: '#000000',
  },
}

SCSS

$custom: #3f6c8d;
$custom-light: #7a96ae;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6c8d",
  "rgb": {
    "r": 63,
    "g": 108,
    "b": 141
  },
  "hsl": {
    "h": 205.385,
    "s": 38.235,
    "l": 40
  },
  "oklch": {
    "l": 0.51307,
    "c": 0.07238,
    "h": 241.8
  },
  "luminance": 0.13705
}

Semantic roles & 50–950 ramp

primary

#3F6C8D

secondary

#B18F77

accent

#8B5ACE

background

#F7F9FA

surface

#EEF1F4

border

#C9CBCE

text

#0A0D10

muted

#7C7E7F

Preview Lab

Preview with #3F6C8D

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

Preview Lab → · Contrast checker → · Palette generator →