#3F6C8A#3F6C8A

#3F6C8A is a mid, moderate cyan. Relative luminance 0.136; OKLCH L 51.2% C 0.069 H 239.3°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F6C8A
RGB	rgb(63, 108, 138)
HSL	hsl(204, 37%, 39%)
HSV	hsv(204, 54%, 54%)
CMYK	cmyk(54.3%, 21.7%, 0%, 45.9%)
CIE-LAB	lab(43.68, -6.41, -21.25)
CIE-LCH	lch(43.68, 22.19, 253.22°)
OKLab	oklab(51.16% -0.0352 -0.0592)
OKLCH	oklch(51.16% 0.069 239.3)
XYZ	xyz(11.9982, 13.6159, 26.0357)
Luminance	0.1362 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6C8A #8A5D3F

analogous

#3F8A83 #3F6C8A #3F478A

triadic

#3F6C8A #8A3F6C #6C8A3F

tetradic

#3F6C8A #833F8A #8A5D3F #478A3F

square

#3F6C8A #833F8A #8A5D3F #478A3F

split-complementary

#3F6C8A #8A3F47 #8A833F

monochromatic

#192A36 #2C4B60 #3F6C8A #558CB1 #7FA9C5

Accessibility & contrast

On white

5.64

#3F6C8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#3F6C8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6C8A

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6C8A	#FFFFFF	#000000	##FFFFFF
##3F6C8A	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F6C8B

Deuteranopia (green-blind)

#546489

Tritanopia (blue-blind)

#117476

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3f6c8a;
/* rgb */ color: rgb(63, 108, 138);
/* oklch */ color: oklch(51.2% 0.069 239.3);

Tailwind

colors: {
  custom: {
    50: '#7a96ac',
    500: '#3f6c8a',
    950: '#000000',
  },
}

SCSS

$custom: #3f6c8a;
$custom-light: #7a96ac;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6c8a",
  "rgb": {
    "r": 63,
    "g": 108,
    "b": 138
  },
  "hsl": {
    "h": 204,
    "s": 37.313,
    "l": 39.412
  },
  "oklch": {
    "l": 0.51163,
    "c": 0.06894,
    "h": 239.3
  },
  "luminance": 0.13617
}

Semantic roles & 50–950 ramp

primary

#3F6C8A

secondary

#AF8D76

accent

#885BCD

background

#F7F9FA

surface

#EEF1F4

border

#C9CBCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #3F6C8A

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

Preview Lab → · Contrast checker → · Palette generator →