#3A91B0#3A91B0

#3A91B0 is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 61.7% C 0.094 H 225.1°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX#3A91B0
RGBrgb(58, 145, 176)
HSLhsl(196, 50%, 46%)
HSVhsv(196, 67%, 69%)
CMYKcmyk(67%, 17.6%, 0%, 31%)
CIE-LABlab(56.37, -16.02, -23.88)
CIE-LCHlch(56.37, 28.76, 236.15°)
OKLaboklab(61.73% -0.0665 -0.0667)
OKLCHoklch(61.73% 0.094 225.1)
XYZxyz(19.7036, 24.2828, 44.7145)
Luminance0.2429 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A91B0 #B0593A
analogous
#3AB094 #3A91B0 #3A56B0
triadic
#3A91B0 #B03A91 #91B03A
tetradic
#3A91B0 #943AB0 #B0593A #56B03A
square
#3A91B0 #943AB0 #B0593A #56B03A
split-complementary
#3A91B0 #B03A56 #B0943A
monochromatic
#1C4554 #2B6B82 #3A91B0 #5DADCA #8BC5D9

Accessibility & contrast

On white

3.59
#3A91B0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.86
#3A91B0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A91B0
5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A91B0#FFFFFF#000000##000000
##3A91B01.003.595.865.86
#FFFFFF3.591.0021.0021.00
#0000005.8621.001.001.00
##0000005.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#808EB2
Deuteranopia (green-blind)
#6F82B0
Tritanopia (blue-blind)
#009A9B
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #3a91b0;
/* rgb */ color: rgb(58, 145, 176);
/* oklch */ color: oklch(61.7% 0.094 225.1);
Tailwind
colors: {
  custom: {
    50: '#7eb1c7',
    500: '#3a91b0',
    950: '#000000',
  },
}
SCSS
$custom: #3a91b0;
$custom-light: #7eb1c7;
$custom-dark: #000000;
JSON
{
  "hex": "#3a91b0",
  "rgb": {
    "r": 58,
    "g": 145,
    "b": 176
  },
  "hsl": {
    "h": 195.763,
    "s": 50.427,
    "l": 45.882
  },
  "oklch": {
    "l": 0.61728,
    "c": 0.09418,
    "h": 225.1
  },
  "luminance": 0.24285
}

Semantic roles & 50–950 ramp

primary
#3A91B0
secondary
#C39382
accent
#734EDA
background
#F8FAFC
surface
#EFF5F8
border
#CACFD1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #3A91B0

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

Preview Lab → · Contrast checker → · Palette generator →

#3A91B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva