#3F8CC5#3F8CC5

#3F8CC5 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.7% C 0.115 H 243.7°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3F8CC5
RGB	rgb(63, 140, 197)
HSL	hsl(206, 54%, 51%)
HSV	hsv(206, 68%, 77%)
CMYK	cmyk(68%, 28.9%, 0%, 22.7%)
CIE-LAB	lab(55.93, -5.38, -36.49)
CIE-LCH	lch(55.93, 36.89, 261.62°)
OKLab	oklab(61.72% -0.0509 -0.103)
OKLCH	oklch(61.72% 0.115 243.7)
XYZ	xyz(21.5022, 23.8419, 56.2812)
Luminance	0.2384 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8CC5 #C5783F

analogous

#3FC5BB #3F8CC5 #3F49C5

triadic

#3F8CC5 #C53F8C #8CC53F

tetradic

#3F8CC5 #BB3FC5 #C5783F #49C53F

square

#3F8CC5 #BB3FC5 #C5783F #49C53F

split-complementary

#3F8CC5 #C53F49 #C5BB3F

monochromatic

#204A6A #2E6B99 #3F8CC5 #6EA8D3 #9DC4E1

Accessibility & contrast

On white

3.64

#3F8CC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#3F8CC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8CC5

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8CC5	#FFFFFF	#000000	##000000
##3F8CC5	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#728DC8

Deuteranopia (green-blind)

#6080C4

Tritanopia (blue-blind)

#009AA0

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f8cc5;
/* rgb */ color: rgb(63, 140, 197);
/* oklch */ color: oklch(61.7% 0.115 243.7);

Tailwind

colors: {
  custom: {
    50: '#83add7',
    500: '#3f8cc5',
    950: '#000000',
  },
}

SCSS

$custom: #3f8cc5;
$custom-light: #83add7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8cc5",
  "rgb": {
    "r": 63,
    "g": 140,
    "b": 197
  },
  "hsl": {
    "h": 205.522,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.61717,
    "c": 0.11493,
    "h": 243.7
  },
  "luminance": 0.23844
}

Semantic roles & 50–950 ramp

primary

#3F8CC5

secondary

#CEAB92

accent

#894BDD

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8CC5

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

Preview Lab → · Contrast checker → · Palette generator →