#3F8FC4#3F8FC4

#3F8FC4 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.4% C 0.112 H 240.9°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#3F8FC4
RGB	rgb(63, 143, 196)
HSL	hsl(204, 53%, 51%)
HSV	hsv(204, 68%, 77%)
CMYK	cmyk(67.9%, 27%, 0%, 23.1%)
CIE-LAB	lab(56.77, -7.44, -34.62)
CIE-LCH	lch(56.77, 35.41, 257.87°)
OKLab	oklab(62.37% -0.0543 -0.0976)
OKLCH	oklch(62.37% 0.112 240.9)
XYZ	xyz(21.8323, 24.6849, 55.8279)
Luminance	0.2469 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8FC4 #C4743F

analogous

#3FC4B6 #3F8FC4 #3F4CC4

triadic

#3F8FC4 #C43F8F #8FC43F

tetradic

#3F8FC4 #B63FC4 #C4743F #4CC43F

square

#3F8FC4 #B63FC4 #C4743F #4CC43F

split-complementary

#3F8FC4 #C43F4C #C4B63F

monochromatic

#204C68 #2E6E97 #3F8FC4 #6EAAD2 #9DC6E1

Accessibility & contrast

On white

3.54

#3F8FC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#3F8FC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8FC4

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8FC4	#FFFFFF	#000000	##000000
##3F8FC4	1.00	3.54	5.94	5.94
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778FC6

Deuteranopia (green-blind)

#6582C3

Tritanopia (blue-blind)

#009CA1

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f8fc4;
/* rgb */ color: rgb(63, 143, 196);
/* oklch */ color: oklch(62.4% 0.112 240.9);

Tailwind

colors: {
  custom: {
    50: '#83afd6',
    500: '#3f8fc4',
    950: '#000000',
  },
}

SCSS

$custom: #3f8fc4;
$custom-light: #83afd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8fc4",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 196
  },
  "hsl": {
    "h": 203.91,
    "s": 52.988,
    "l": 50.784
  },
  "oklch": {
    "l": 0.62365,
    "c": 0.11165,
    "h": 240.9
  },
  "luminance": 0.24687
}

Semantic roles & 50–950 ramp

primary

#3F8FC4

secondary

#CDA992

accent

#854BDC

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8FC4

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

Preview Lab → · Contrast checker → · Palette generator →