#3F8CDE#3F8CDE

#3F8CDE is a light, vivid cyan. Relative luminance 0.251; OKLCH L 63.1% C 0.145 H 252.4°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#3F8CDE
RGB	rgb(63, 140, 222)
HSL	hsl(211, 71%, 56%)
HSV	hsv(211, 72%, 87%)
CMYK	cmyk(71.6%, 36.9%, 0%, 12.9%)
CIE-LAB	lab(57.16, 3.34, -48.62)
CIE-LCH	lch(57.16, 48.74, 273.93°)
OKLab	oklab(63.09% -0.044 -0.1384)
OKLCH	oklch(63.09% 0.145 252.4)
XYZ	xyz(24.6079, 25.0841, 72.6379)
Luminance	0.2509 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8CDE #DE913F

analogous

#3FDCDE #3F8CDE #413FDE

triadic

#3F8CDE #DE3F8C #8CDE3F

tetradic

#3F8CDE #DE3FDC #DE913F #3FDE41

square

#3F8CDE #DE3FDC #DE913F #3FDE41

split-complementary

#3F8CDE #DE413F #DCDE3F

monochromatic

#184F8B #216DBF #3F8CDE #73ABE7 #A7CBF0

Accessibility & contrast

On white

3.49

#3F8CDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#3F8CDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8CDE

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8CDE	#FFFFFF	#000000	##000000
##3F8CDE	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6691E1

Deuteranopia (green-blind)

#4F82DC

Tritanopia (blue-blind)

#009FAA

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3f8cde;
/* rgb */ color: rgb(63, 140, 222);
/* oklch */ color: oklch(63.1% 0.145 252.4);

Tailwind

colors: {
  custom: {
    50: '#87ade9',
    500: '#3f8cde',
    950: '#000000',
  },
}

SCSS

$custom: #3f8cde;
$custom-light: #87ade9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8cde",
  "rgb": {
    "r": 63,
    "g": 140,
    "b": 222
  },
  "hsl": {
    "h": 210.943,
    "s": 70.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.63085,
    "c": 0.14523,
    "h": 252.4
  },
  "luminance": 0.25087
}

Semantic roles & 50–950 ramp

primary

#3F8CDE

secondary

#DDBD9B

accent

#973AED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #3F8CDE

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

Preview Lab → · Contrast checker → · Palette generator →