#3F618F#3F618F

#3F618F is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.8% C 0.084 H 256.3°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#3F618F
RGB	rgb(63, 97, 143)
HSL	hsl(215, 39%, 40%)
HSV	hsv(215, 56%, 56%)
CMYK	cmyk(55.9%, 32.2%, 0%, 43.9%)
CIE-LAB	lab(40.55, 1.95, -29.10)
CIE-LCH	lch(40.55, 29.17, 273.83°)
OKLab	oklab(48.78% -0.02 -0.0819)
OKLCH	oklch(48.78% 0.084 256.3)
XYZ	xyz(11.2808, 11.5884, 27.6236)
Luminance	0.1159 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F618F #8F6D3F

analogous

#3F898F #3F618F #453F8F

triadic

#3F618F #8F3F61 #618F3F

tetradic

#3F618F #8F3F89 #8F6D3F #3F8F45

square

#3F618F #8F3F89 #8F6D3F #3F8F45

split-complementary

#3F618F #8F453F #898F3F

monochromatic

#1A273A #2C4465 #3F618F #567FB5 #819FC7

Accessibility & contrast

On white

6.33

#3F618F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#3F618F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F618F

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F618F	#FFFFFF	#000000	##FFFFFF
##3F618F	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E6491

Deuteranopia (green-blind)

#445C8E

Tritanopia (blue-blind)

#0D6B71

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3f618f;
/* rgb */ color: rgb(63, 97, 143);
/* oklch */ color: oklch(48.8% 0.084 256.3);

Tailwind

colors: {
  custom: {
    50: '#7a8db0',
    500: '#3f618f',
    950: '#000000',
  },
}

SCSS

$custom: #3f618f;
$custom-light: #7a8db0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f618f",
  "rgb": {
    "r": 63,
    "g": 97,
    "b": 143
  },
  "hsl": {
    "h": 214.5,
    "s": 38.835,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48781,
    "c": 0.08436,
    "h": 256.3
  },
  "luminance": 0.11589
}

Semantic roles & 50–950 ramp

primary

#3F618F

secondary

#B29978

accent

#9D59CF

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0C10

muted

#7C7D7F

Preview Lab

Preview with #3F618F

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

Preview Lab → · Contrast checker → · Palette generator →