#3B91DE#3B91DE

#3B91DE is a light, vivid cyan. Relative luminance 0.265; OKLCH L 64.1% C 0.142 H 249.0°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX#3B91DE
RGBrgb(59, 145, 222)
HSLhsl(208, 71%, 55%)
HSVhsv(208, 73%, 87%)
CMYKcmyk(73.4%, 34.7%, 0%, 12.9%)
CIE-LABlab(58.46, -0.14, -46.56)
CIE-LCHlch(58.46, 46.56, 269.83°)
OKLaboklab(64.07% -0.0509 -0.1324)
OKLCHoklch(64.07% 0.142 249)
XYZxyz(25.1089, 26.4517, 72.8754)
Luminance0.2646 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B91DE #DE883B
analogous
#3BDEDA #3B91DE #3B3FDE
triadic
#3B91DE #DE3B91 #91DE3B
tetradic
#3B91DE #DA3BDE #DE883B #3FDE3B
square
#3B91DE #DA3BDE #DE883B #3FDE3B
split-complementary
#3B91DE #DE3B3F #DEDA3B
monochromatic
#175288 #2072BC #3B91DE #6FAEE7 #A4CCF0

Accessibility & contrast

On white

3.34
#3B91DE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.29
#3B91DE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B91DE
6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B91DE#FFFFFF#000000##000000
##3B91DE1.003.346.296.29
#FFFFFF3.341.0021.0021.00
#0000006.2921.001.001.00
##0000006.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E95E1
Deuteranopia (green-blind)
#5686DD
Tritanopia (blue-blind)
#00A3AD
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #3b91de;
/* rgb */ color: rgb(59, 145, 222);
/* oklch */ color: oklch(64.1% 0.142 249.0);
Tailwind
colors: {
  custom: {
    50: '#85b0e8',
    500: '#3b91de',
    950: '#000000',
  },
}
SCSS
$custom: #3b91de;
$custom-light: #85b0e8;
$custom-dark: #000000;
JSON
{
  "hex": "#3b91de",
  "rgb": {
    "r": 59,
    "g": 145,
    "b": 222
  },
  "hsl": {
    "h": 208.344,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.64074,
    "c": 0.14182,
    "h": 249
  },
  "luminance": 0.26455
}

Semantic roles & 50–950 ramp

primary
#3B91DE
secondary
#DDB998
accent
#8F3AEE
background
#F8FAFE
surface
#F0F4FD
border
#CBCED5
text
#0D1016
muted
#7D7F84

Preview Lab

Preview with #3B91DE

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

Preview Lab → · Contrast checker → · Palette generator →

#3B91DE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva