#2A91B0#2A91B0

#2A91B0 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.3% C 0.101 H 222.7°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX#2A91B0
RGBrgb(42, 145, 176)
HSLhsl(194, 61%, 43%)
HSVhsv(194, 76%, 69%)
CMYKcmyk(76.1%, 17.6%, 0%, 31%)
CIE-LABlab(55.96, -18.28, -24.54)
CIE-LCHlch(55.96, 30.60, 233.33°)
OKLaboklab(61.29% -0.0745 -0.0687)
OKLCHoklch(61.29% 0.101 222.7)
XYZxyz(18.9135, 23.8754, 44.6775)
Luminance0.2388 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2A91B0 #B0492A
analogous
#2AB08C #2A91B0 #2A4EB0
triadic
#2A91B0 #B02A91 #91B02A
tetradic
#2A91B0 #8C2AB0 #B0492A #4EB02A
square
#2A91B0 #8C2AB0 #B0492A #4EB02A
split-complementary
#2A91B0 #B02A4E #B08C2A
monochromatic
#12404D #1E687F #2A91B0 #45B2D3 #76C6DE

Accessibility & contrast

On white

3.64
#2A91B0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.78
#2A91B0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A91B0
5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2A91B0#FFFFFF#000000##000000
##2A91B01.003.645.785.78
#FFFFFF3.641.0021.0021.00
#0000005.7821.001.001.00
##0000005.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F8DB2
Deuteranopia (green-blind)
#6D80B0
Tritanopia (blue-blind)
#009B9B
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #2a91b0;
/* rgb */ color: rgb(42, 145, 176);
/* oklch */ color: oklch(61.3% 0.101 222.7);
Tailwind
colors: {
  custom: {
    50: '#78b1c7',
    500: '#2a91b0',
    950: '#000000',
  },
}
SCSS
$custom: #2a91b0;
$custom-light: #78b1c7;
$custom-dark: #000000;
JSON
{
  "hex": "#2a91b0",
  "rgb": {
    "r": 42,
    "g": 145,
    "b": 176
  },
  "hsl": {
    "h": 193.881,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.61286,
    "c": 0.10135,
    "h": 222.7
  },
  "luminance": 0.23878
}

Semantic roles & 50–950 ramp

primary
#2A91B0
secondary
#C68470
accent
#6943E5
background
#F7FAFC
surface
#EEF5F8
border
#C9CFD1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #2A91B0

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

Preview Lab → · Contrast checker → · Palette generator →

#2A91B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva