#2D91B0#2D91B0

#2D91B0 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.4% C 0.100 H 223.1°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX#2D91B0
RGBrgb(45, 145, 176)
HSLhsl(194, 59%, 43%)
HSVhsv(194, 74%, 69%)
CMYKcmyk(74.4%, 17.6%, 0%, 31%)
CIE-LABlab(56.03, -17.91, -24.44)
CIE-LCHlch(56.03, 30.30, 233.77°)
OKLaboklab(61.36% -0.0732 -0.0684)
OKLCHoklch(61.36% 0.1 223.1)
XYZxyz(19.0408, 23.9410, 44.6834)
Luminance0.2394 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2D91B0 #B04C2D
analogous
#2DB08D #2D91B0 #2D50B0
triadic
#2D91B0 #B02D91 #91B02D
tetradic
#2D91B0 #8D2DB0 #B04C2D #50B02D
square
#2D91B0 #8D2DB0 #B04C2D #50B02D
split-complementary
#2D91B0 #B02D50 #B08D2D
monochromatic
#14414F #21697F #2D91B0 #4AB1D1 #7AC6DD

Accessibility & contrast

On white

3.63
#2D91B0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.79
#2D91B0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2D91B0
5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2D91B0#FFFFFF#000000##000000
##2D91B01.003.635.795.79
#FFFFFF3.631.0021.0021.00
#0000005.7921.001.001.00
##0000005.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F8EB2
Deuteranopia (green-blind)
#6D81B0
Tritanopia (blue-blind)
#009B9B
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #2d91b0;
/* rgb */ color: rgb(45, 145, 176);
/* oklch */ color: oklch(61.4% 0.100 223.1);
Tailwind
colors: {
  custom: {
    50: '#79b1c7',
    500: '#2d91b0',
    950: '#000000',
  },
}
SCSS
$custom: #2d91b0;
$custom-light: #79b1c7;
$custom-dark: #000000;
JSON
{
  "hex": "#2d91b0",
  "rgb": {
    "r": 45,
    "g": 145,
    "b": 176
  },
  "hsl": {
    "h": 194.198,
    "s": 59.276,
    "l": 43.333
  },
  "oklch": {
    "l": 0.61358,
    "c": 0.10016,
    "h": 223.1
  },
  "luminance": 0.23943
}

Semantic roles & 50–950 ramp

primary
#2D91B0
secondary
#C58773
accent
#6B45E2
background
#F8FAFC
surface
#EFF5F8
border
#CACFD1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #2D91B0

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

Preview Lab → · Contrast checker → · Palette generator →

#2D91B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva