#3F8EC8#3F8EC8

#3F8EC8 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.3% C 0.117 H 243.6°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F8EC8
RGB	rgb(63, 142, 200)
HSL	hsl(205, 55%, 52%)
HSV	hsv(205, 69%, 78%)
CMYK	cmyk(68.5%, 29%, 0%, 21.6%)
CIE-LAB	lab(56.65, -5.50, -37.05)
CIE-LCH	lch(56.65, 37.46, 261.56°)
OKLab	oklab(62.34% -0.052 -0.1046)
OKLCH	oklch(62.34% 0.117 243.6)
XYZ	xyz(22.1443, 24.5705, 58.2079)
Luminance	0.2457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8EC8 #C8793F

analogous

#3FC8BD #3F8EC8 #3F4AC8

triadic

#3F8EC8 #C83F8E #8EC83F

tetradic

#3F8EC8 #BD3FC8 #C8793F #4AC83F

square

#3F8EC8 #BD3FC8 #C8793F #4AC83F

split-complementary

#3F8EC8 #C83F4A #C8BD3F

monochromatic

#1F4C6D #2D6D9D #3F8EC8 #6FAAD6 #9EC6E3

Accessibility & contrast

On white

3.55

#3F8EC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#3F8EC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EC8

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8EC8	#FFFFFF	#000000	##000000
##3F8EC8	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#748FCB

Deuteranopia (green-blind)

#6182C7

Tritanopia (blue-blind)

#009CA2

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f8ec8;
/* rgb */ color: rgb(63, 142, 200);
/* oklch */ color: oklch(62.3% 0.117 243.6);

Tailwind

colors: {
  custom: {
    50: '#83aed9',
    500: '#3f8ec8',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ec8;
$custom-light: #83aed9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ec8",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 200
  },
  "hsl": {
    "h": 205.401,
    "s": 55.466,
    "l": 51.569
  },
  "oklch": {
    "l": 0.62336,
    "c": 0.11685,
    "h": 243.6
  },
  "luminance": 0.24573
}

Semantic roles & 50–950 ramp

primary

#3F8EC8

secondary

#D0AD93

accent

#8849DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8EC8

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

Preview Lab → · Contrast checker → · Palette generator →