#3F8DCC#3F8DCC

#3F8DCC is a light, vivid cyan. Relative luminance 0.245; OKLCH L 62.3% C 0.122 H 246.0°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#3F8DCC
RGB	rgb(63, 141, 204)
HSL	hsl(207, 58%, 52%)
HSV	hsv(207, 69%, 80%)
CMYK	cmyk(69.1%, 30.9%, 0%, 20%)
CIE-LAB	lab(56.55, -3.55, -39.48)
CIE-LCH	lch(56.55, 39.64, 264.87°)
OKLab	oklab(62.31% -0.0498 -0.1117)
OKLCH	oklch(62.31% 0.122 246)
XYZ	xyz(22.4697, 24.4637, 60.6528)
Luminance	0.2447 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8DCC #CC7E3F

analogous

#3FCCC5 #3F8DCC #3F46CC

triadic

#3F8DCC #CC3F8D #8DCC3F

tetradic

#3F8DCC #C53FCC #CC7E3F #46CC3F

square

#3F8DCC #C53FCC #CC7E3F #46CC3F

split-complementary

#3F8DCC #CC3F46 #CCC53F

monochromatic

#1E4D72 #2B6DA3 #3F8DCC #6FAAD9 #A0C6E6

Accessibility & contrast

On white

3.56

#3F8DCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#3F8DCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DCC

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8DCC	#FFFFFF	#000000	##000000
##3F8DCC	1.00	3.56	5.89	5.89
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#718FCF

Deuteranopia (green-blind)

#5D82CB

Tritanopia (blue-blind)

#009CA3

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f8dcc;
/* rgb */ color: rgb(63, 141, 204);
/* oklch */ color: oklch(62.3% 0.122 246.0);

Tailwind

colors: {
  custom: {
    50: '#84aedc',
    500: '#3f8dcc',
    950: '#000000',
  },
}

SCSS

$custom: #3f8dcc;
$custom-light: #84aedc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8dcc",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 204
  },
  "hsl": {
    "h": 206.809,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.62314,
    "c": 0.12229,
    "h": 246
  },
  "luminance": 0.24466
}

Semantic roles & 50–950 ramp

primary

#3F8DCC

secondary

#D2B095

accent

#8C47E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8DCC

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

Preview Lab → · Contrast checker → · Palette generator →