#3F8BDE#3F8BDE

#3F8BDE is a light, vivid cyan. Relative luminance 0.248; OKLCH L 62.9% C 0.146 H 252.9°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F8BDE
RGB	rgb(63, 139, 222)
HSL	hsl(211, 71%, 56%)
HSV	hsv(211, 72%, 87%)
CMYK	cmyk(71.6%, 37.4%, 0%, 12.9%)
CIE-LAB	lab(56.87, 3.94, -49.07)
CIE-LCH	lch(56.87, 49.23, 274.59°)
OKLab	oklab(62.86% -0.043 -0.1398)
OKLCH	oklch(62.86% 0.146 252.9)
XYZ	xyz(24.4624, 24.7932, 72.5894)
Luminance	0.2480 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8BDE #DE923F

analogous

#3FDADE #3F8BDE #423FDE

triadic

#3F8BDE #DE3F8B #8BDE3F

tetradic

#3F8BDE #DE3FDA #DE923F #3FDE42

square

#3F8BDE #DE3FDA #DE923F #3FDE42

split-complementary

#3F8BDE #DE423F #DADE3F

monochromatic

#184F8B #216CBF #3F8BDE #73ABE7 #A7CAF0

Accessibility & contrast

On white

3.52

#3F8BDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#3F8BDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8BDE

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8BDE	#FFFFFF	#000000	##000000
##3F8BDE	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6591E1

Deuteranopia (green-blind)

#4D82DC

Tritanopia (blue-blind)

#009EAA

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f8bde;
/* rgb */ color: rgb(63, 139, 222);
/* oklch */ color: oklch(62.9% 0.146 252.9);

Tailwind

colors: {
  custom: {
    50: '#87ace9',
    500: '#3f8bde',
    950: '#000000',
  },
}

SCSS

$custom: #3f8bde;
$custom-light: #87ace9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8bde",
  "rgb": {
    "r": 63,
    "g": 139,
    "b": 222
  },
  "hsl": {
    "h": 211.321,
    "s": 70.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.62863,
    "c": 0.14623,
    "h": 252.9
  },
  "luminance": 0.24796
}

Semantic roles & 50–950 ramp

primary

#3F8BDE

secondary

#DDBE9B

accent

#983AED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #3F8BDE

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

Preview Lab → · Contrast checker → · Palette generator →