#3F8EDE#3F8EDE

#3F8EDE is a light, vivid cyan. Relative luminance 0.257; OKLCH L 63.5% C 0.143 H 251.4°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#3F8EDE
RGB	rgb(63, 142, 222)
HSL	hsl(210, 71%, 56%)
HSV	hsv(210, 72%, 87%)
CMYK	cmyk(71.6%, 36%, 0%, 12.9%)
CIE-LAB	lab(57.73, 2.16, -47.72)
CIE-LCH	lch(57.73, 47.77, 272.59°)
OKLab	oklab(63.53% -0.0458 -0.1357)
OKLCH	oklch(63.53% 0.143 251.4)
XYZ	xyz(24.9028, 25.6739, 72.7362)
Luminance	0.2568 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8EDE #DE8F3F

analogous

#3FDDDE #3F8EDE #3F3FDE

triadic

#3F8EDE #DE3F8E #8EDE3F

tetradic

#3F8EDE #DE3FDD #DE8F3F #3FDE3F

square

#3F8EDE #DE3FDD #DE8F3F #3FDE3F

split-complementary

#3F8EDE #DE3F3F #DDDE3F

monochromatic

#18518B #216FBF #3F8EDE #73ADE7 #A7CBF0

Accessibility & contrast

On white

3.42

#3F8EDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#3F8EDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EDE

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8EDE	#FFFFFF	#000000	##000000
##3F8EDE	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6993E1

Deuteranopia (green-blind)

#5284DC

Tritanopia (blue-blind)

#00A1AB

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3f8ede;
/* rgb */ color: rgb(63, 142, 222);
/* oklch */ color: oklch(63.5% 0.143 251.4);

Tailwind

colors: {
  custom: {
    50: '#87aee8',
    500: '#3f8ede',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ede;
$custom-light: #87aee8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ede",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 222
  },
  "hsl": {
    "h": 210.189,
    "s": 70.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.6353,
    "c": 0.14327,
    "h": 251.4
  },
  "luminance": 0.25677
}

Semantic roles & 50–950 ramp

primary

#3F8EDE

secondary

#DDBD9B

accent

#943AED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #3F8EDE

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

Preview Lab → · Contrast checker → · Palette generator →