#3F8BC8#3F8BC8

#3F8BC8 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.6% C 0.119 H 245.7°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#3F8BC8
RGB	rgb(63, 139, 200)
HSL	hsl(207, 55%, 52%)
HSV	hsv(207, 69%, 78%)
CMYK	cmyk(68.5%, 30.5%, 0%, 21.6%)
CIE-LAB	lab(55.78, -3.77, -38.43)
CIE-LCH	lch(55.78, 38.62, 264.40°)
OKLab	oklab(61.64% -0.049 -0.1087)
OKLCH	oklch(61.64% 0.119 245.7)
XYZ	xyz(21.7039, 23.6898, 58.0611)
Luminance	0.2369 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8BC8 #C87C3F

analogous

#3FC8C1 #3F8BC8 #3F47C8

triadic

#3F8BC8 #C83F8B #8BC83F

tetradic

#3F8BC8 #C13FC8 #C87C3F #47C83F

square

#3F8BC8 #C13FC8 #C87C3F #47C83F

split-complementary

#3F8BC8 #C83F47 #C8C13F

monochromatic

#1F4B6D #2D6B9D #3F8BC8 #6FA8D6 #9EC4E3

Accessibility & contrast

On white

3.66

#3F8BC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#3F8BC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8BC8

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8BC8	#FFFFFF	#000000	##000000
##3F8BC8	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#708DCB

Deuteranopia (green-blind)

#5D80C7

Tritanopia (blue-blind)

#009AA1

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f8bc8;
/* rgb */ color: rgb(63, 139, 200);
/* oklch */ color: oklch(61.6% 0.119 245.7);

Tailwind

colors: {
  custom: {
    50: '#83acd9',
    500: '#3f8bc8',
    950: '#000000',
  },
}

SCSS

$custom: #3f8bc8;
$custom-light: #83acd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8bc8",
  "rgb": {
    "r": 63,
    "g": 139,
    "b": 200
  },
  "hsl": {
    "h": 206.715,
    "s": 55.466,
    "l": 51.569
  },
  "oklch": {
    "l": 0.61642,
    "c": 0.11921,
    "h": 245.7
  },
  "luminance": 0.23692
}

Semantic roles & 50–950 ramp

primary

#3F8BC8

secondary

#D0AE93

accent

#8C49DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8BC8

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

Preview Lab → · Contrast checker → · Palette generator →