#3F8FC5#3F8FC5

#3F8FC5 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.4% C 0.113 H 241.4°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#3F8FC5
RGB	rgb(63, 143, 197)
HSL	hsl(204, 54%, 51%)
HSV	hsv(204, 68%, 77%)
CMYK	cmyk(68%, 27.4%, 0%, 22.7%)
CIE-LAB	lab(56.81, -7.10, -35.11)
CIE-LCH	lch(56.81, 35.82, 258.57°)
OKLab	oklab(62.42% -0.054 -0.099)
OKLCH	oklch(62.42% 0.113 241.4)
XYZ	xyz(21.9465, 24.7306, 56.4294)
Luminance	0.2473 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8FC5 #C5753F

analogous

#3FC5B8 #3F8FC5 #3F4CC5

triadic

#3F8FC5 #C53F8F #8FC53F

tetradic

#3F8FC5 #B83FC5 #C5753F #4CC53F

square

#3F8FC5 #B83FC5 #C5753F #4CC53F

split-complementary

#3F8FC5 #C53F4C #C5B83F

monochromatic

#204C6A #2E6E99 #3F8FC5 #6EAAD3 #9DC6E1

Accessibility & contrast

On white

3.53

#3F8FC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#3F8FC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8FC5

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8FC5	#FFFFFF	#000000	##000000
##3F8FC5	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7690C7

Deuteranopia (green-blind)

#6483C4

Tritanopia (blue-blind)

#009CA2

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f8fc5;
/* rgb */ color: rgb(63, 143, 197);
/* oklch */ color: oklch(62.4% 0.113 241.4);

Tailwind

colors: {
  custom: {
    50: '#83afd7',
    500: '#3f8fc5',
    950: '#000000',
  },
}

SCSS

$custom: #3f8fc5;
$custom-light: #83afd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8fc5",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 197
  },
  "hsl": {
    "h": 204.179,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.62416,
    "c": 0.11274,
    "h": 241.4
  },
  "luminance": 0.24733
}

Semantic roles & 50–950 ramp

primary

#3F8FC5

secondary

#CEAA92

accent

#864BDD

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8FC5

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

Preview Lab → · Contrast checker → · Palette generator →