#3F8AD8#3F8AD8

#3F8AD8 is a light, vivid cyan. Relative luminance 0.242; OKLCH L 62.3% C 0.140 H 251.8°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#3F8AD8
RGB	rgb(63, 138, 216)
HSL	hsl(211, 66%, 55%)
HSV	hsv(211, 71%, 85%)
CMYK	cmyk(70.8%, 36.1%, 0%, 15.3%)
CIE-LAB	lab(56.28, 2.41, -46.66)
CIE-LCH	lch(56.28, 46.72, 272.96°)
OKLab	oklab(62.29% -0.0436 -0.1327)
OKLCH	oklch(62.29% 0.14 251.8)
XYZ	xyz(23.5284, 24.1890, 68.3814)
Luminance	0.2419 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8AD8 #D88D3F

analogous

#3FD7D8 #3F8AD8 #403FD8

triadic

#3F8AD8 #D83F8A #8AD83F

tetradic

#3F8AD8 #D83FD7 #D88D3F #3FD840

square

#3F8AD8 #D83FD7 #D88D3F #3FD840

split-complementary

#3F8AD8 #D8403F #D7D83F

monochromatic

#1A4D82 #256BB5 #3F8AD8 #72A9E2 #A5C8ED

Accessibility & contrast

On white

3.60

#3F8AD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#3F8AD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8AD8

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8AD8	#FFFFFF	#000000	##000000
##3F8AD8	1.00	3.60	5.84	5.84
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#678FDB

Deuteranopia (green-blind)

#5080D6

Tritanopia (blue-blind)

#009CA7

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f8ad8;
/* rgb */ color: rgb(63, 138, 216);
/* oklch */ color: oklch(62.3% 0.140 251.8);

Tailwind

colors: {
  custom: {
    50: '#86abe4',
    500: '#3f8ad8',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ad8;
$custom-light: #86abe4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ad8",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 216
  },
  "hsl": {
    "h": 210.588,
    "s": 66.234,
    "l": 54.706
  },
  "oklch": {
    "l": 0.62294,
    "c": 0.13967,
    "h": 251.8
  },
  "luminance": 0.24192
}

Semantic roles & 50–950 ramp

primary

#3F8AD8

secondary

#DABA99

accent

#963FE9

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1015

muted

#7D7F84

Preview Lab

Preview with #3F8AD8

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

Preview Lab → · Contrast checker → · Palette generator →