#3B91BD#3B91BD

#3B91BD is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.4% C 0.105 H 234.4°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX#3B91BD
RGBrgb(59, 145, 189)
HSLhsl(200, 52%, 49%)
HSVhsv(200, 69%, 74%)
CMYKcmyk(68.8%, 23.3%, 0%, 25.9%)
CIE-LABlab(56.93, -11.56, -30.41)
CIE-LCHlch(56.93, 32.53, 249.19°)
OKLaboklab(62.36% -0.0611 -0.0854)
OKLCHoklch(62.36% 0.105 234.4)
XYZxyz(21.1107, 24.8524, 51.8187)
Luminance0.2485 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B91BD #BD673B
analogous
#3BBDA8 #3B91BD #3B50BD
triadic
#3B91BD #BD3B91 #91BD3B
tetradic
#3B91BD #A83BBD #BD673B #50BD3B
square
#3B91BD #A83BBD #BD673B #50BD3B
split-complementary
#3B91BD #BD3B50 #BDA83B
monochromatic
#1E4960 #2C6D8E #3B91BD #66ACCF #95C5DE

Accessibility & contrast

On white

3.52
#3B91BD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.97
#3B91BD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B91BD
5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B91BD#FFFFFF#000000##000000
##3B91BD1.003.525.975.97
#FFFFFF3.521.0021.0021.00
#0000005.9721.001.001.00
##0000005.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C90BF
Deuteranopia (green-blind)
#6A83BC
Tritanopia (blue-blind)
#009DA0
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #3b91bd;
/* rgb */ color: rgb(59, 145, 189);
/* oklch */ color: oklch(62.4% 0.105 234.4);
Tailwind
colors: {
  custom: {
    50: '#80b1d1',
    500: '#3b91bd',
    950: '#000000',
  },
}
SCSS
$custom: #3b91bd;
$custom-light: #80b1d1;
$custom-dark: #000000;
JSON
{
  "hex": "#3b91bd",
  "rgb": {
    "r": 59,
    "g": 145,
    "b": 189
  },
  "hsl": {
    "h": 200.308,
    "s": 52.419,
    "l": 48.627
  },
  "oklch": {
    "l": 0.6236,
    "c": 0.10503,
    "h": 234.4
  },
  "luminance": 0.24855
}

Semantic roles & 50–950 ramp

primary
#3B91BD
secondary
#C9A08B
accent
#7D4CDC
background
#F8FAFC
surface
#F0F5F9
border
#CBCFD2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #3B91BD

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

Preview Lab → · Contrast checker → · Palette generator →

#3B91BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva