#3F8CA5#3F8CA5

#3F8CA5 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.2% C 0.084 H 222.2°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#3F8CA5
RGB	rgb(63, 140, 165)
HSL	hsl(195, 45%, 45%)
HSV	hsv(195, 62%, 65%)
CMYK	cmyk(61.8%, 15.2%, 0%, 35.3%)
CIE-LAB	lab(54.58, -15.95, -20.32)
CIE-LCH	lch(54.58, 25.83, 231.86°)
OKLab	oklab(60.2% -0.0623 -0.0565)
OKLCH	oklch(60.2% 0.084 222.2)
XYZ	xyz(18.2168, 22.5277, 38.9783)
Luminance	0.2253 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8CA5 #A5583F

analogous

#3FA58B #3F8CA5 #3F59A5

triadic

#3F8CA5 #A53F8C #8CA53F

tetradic

#3F8CA5 #8B3FA5 #A5583F #59A53F

square

#3F8CA5 #8B3FA5 #A5583F #59A53F

split-complementary

#3F8CA5 #A53F59 #A58B3F

monochromatic

#1D414C #2E6679 #3F8CA5 #5FAAC2 #8CC1D3

Accessibility & contrast

On white

3.81

#3F8CA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#3F8CA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8CA5

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8CA5	#FFFFFF	#000000	##000000
##3F8CA5	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D89A6

Deuteranopia (green-blind)

#6F7EA5

Tritanopia (blue-blind)

#009494

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3f8ca5;
/* rgb */ color: rgb(63, 140, 165);
/* oklch */ color: oklch(60.2% 0.084 222.2);

Tailwind

colors: {
  custom: {
    50: '#7eadbf',
    500: '#3f8ca5',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ca5;
$custom-light: #7eadbf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ca5",
  "rgb": {
    "r": 63,
    "g": 140,
    "b": 165
  },
  "hsl": {
    "h": 194.706,
    "s": 44.737,
    "l": 44.706
  },
  "oklch": {
    "l": 0.60203,
    "c": 0.08411,
    "h": 222.2
  },
  "luminance": 0.2253
}

Semantic roles & 50–950 ramp

primary

#3F8CA5

secondary

#BE9182

accent

#7353D4

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3F8CA5

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

Preview Lab → · Contrast checker → · Palette generator →