#3F98E0#3F98E0

#3F98E0 is a light, vivid cyan. Relative luminance 0.289; OKLCH L 65.9% C 0.137 H 246.5°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX#3F98E0
RGBrgb(63, 152, 224)
HSLhsl(207, 72%, 56%)
HSVhsv(207, 72%, 88%)
CMYKcmyk(71.9%, 32.1%, 0%, 12.2%)
CIE-LABlab(60.69, -2.97, -44.16)
CIE-LCHlch(60.69, 44.26, 266.15°)
OKLaboklab(65.89% -0.0546 -0.1252)
OKLCHoklch(65.89% 0.137 246.5)
XYZxyz(26.7276, 28.8921, 74.6747)
Luminance0.2889 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F98E0 #E0873F
analogous
#3FE0D7 #3F98E0 #3F48E0
triadic
#3F98E0 #E03F98 #98E03F
tetradic
#3F98E0 #D73FE0 #E0873F #48E03F
square
#3F98E0 #D73FE0 #E0873F #48E03F
split-complementary
#3F98E0 #E03F48 #E0D73F
monochromatic
#17598E #1F7AC2 #3F98E0 #74B4E9 #A8D1F1

Accessibility & contrast

On white

3.10
#3F98E0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.78
#3F98E0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F98E0
6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F98E0#FFFFFF#000000##000000
##3F98E01.003.106.786.78
#FFFFFF3.101.0021.0021.00
#0000006.7821.001.001.00
##0000006.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#779BE3
Deuteranopia (green-blind)
#618CDF
Tritanopia (blue-blind)
#00A9B2
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #3f98e0;
/* rgb */ color: rgb(63, 152, 224);
/* oklch */ color: oklch(65.9% 0.137 246.5);
Tailwind
colors: {
  custom: {
    50: '#87b6ea',
    500: '#3f98e0',
    950: '#000000',
  },
}
SCSS
$custom: #3f98e0;
$custom-light: #87b6ea;
$custom-dark: #000000;
JSON
{
  "hex": "#3f98e0",
  "rgb": {
    "r": 63,
    "g": 152,
    "b": 224
  },
  "hsl": {
    "h": 206.832,
    "s": 72.197,
    "l": 56.275
  },
  "oklch": {
    "l": 0.65888,
    "c": 0.13657,
    "h": 246.5
  },
  "luminance": 0.28895
}

Semantic roles & 50–950 ramp

primary
#3F98E0
secondary
#DFBA9C
accent
#8A39EF
background
#F9FBFE
surface
#F1F6FD
border
#CBD0D5
text
#0D1116
muted
#7E8084

Preview Lab

Preview with #3F98E0

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

Preview Lab → · Contrast checker → · Palette generator →

#3F98E0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva