#3F8EE2#3F8EE2

#3F8EE2 is a light, vivid cyan. Relative luminance 0.259; OKLCH L 63.8% C 0.148 H 252.4°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX#3F8EE2
RGBrgb(63, 142, 226)
HSLhsl(211, 74%, 57%)
HSVhsv(211, 72%, 89%)
CMYKcmyk(72.1%, 37.2%, 0%, 11.4%)
CIE-LABlab(57.93, 3.57, -49.62)
CIE-LCHlch(57.93, 49.75, 274.12°)
OKLaboklab(63.76% -0.0448 -0.1413)
OKLCHoklch(63.76% 0.148 252.4)
XYZxyz(25.4452, 25.8909, 75.5932)
Luminance0.2589 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8EE2 #E2933F
analogous
#3FE0E2 #3F8EE2 #423FE2
triadic
#3F8EE2 #E23F8E #8EE23F
tetradic
#3F8EE2 #E23FE0 #E2933F #3FE242
square
#3F8EE2 #E23FE0 #E2933F #3FE242
split-complementary
#3F8EE2 #E2423F #E0E23F
monochromatic
#165191 #1E6FC6 #3F8EE2 #74ADEA #A9CDF2

Accessibility & contrast

On white

3.40
#3F8EE2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.18
#3F8EE2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EE2
6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8EE2#FFFFFF#000000##000000
##3F8EE21.003.406.186.18
#FFFFFF3.401.0021.0021.00
#0000006.1821.001.001.00
##0000006.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6793E5
Deuteranopia (green-blind)
#4F84E0
Tritanopia (blue-blind)
#00A2AD
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #3f8ee2;
/* rgb */ color: rgb(63, 142, 226);
/* oklch */ color: oklch(63.8% 0.148 252.4);
Tailwind
colors: {
  custom: {
    50: '#88aeeb',
    500: '#3f8ee2',
    950: '#000000',
  },
}
SCSS
$custom: #3f8ee2;
$custom-light: #88aeeb;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8ee2",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 226
  },
  "hsl": {
    "h": 210.92,
    "s": 73.756,
    "l": 56.667
  },
  "oklch": {
    "l": 0.6376,
    "c": 0.14825,
    "h": 252.4
  },
  "luminance": 0.25894
}

Semantic roles & 50–950 ramp

primary
#3F8EE2
secondary
#E0BF9D
accent
#9737F0
background
#F9FAFE
surface
#F1F4FD
border
#CBCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #3F8EE2

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8EE2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva