#2D91AB#2D91AB

#2D91AB is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.1% C 0.097 H 219.1°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX#2D91AB
RGBrgb(45, 145, 171)
HSLhsl(192, 58%, 42%)
HSVhsv(192, 74%, 67%)
CMYKcmyk(73.7%, 15.2%, 0%, 32.9%)
CIE-LABlab(55.83, -19.57, -21.88)
CIE-LCHlch(55.83, 29.36, 228.19°)
OKLaboklab(61.14% -0.0751 -0.0611)
OKLCHoklch(61.14% 0.097 219.1)
XYZxyz(18.5552, 23.7468, 42.1258)
Luminance0.2375 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2D91AB #AB472D
analogous
#2DAB86 #2D91AB #2D52AB
triadic
#2D91AB #AB2D91 #91AB2D
tetradic
#2D91AB #862DAB #AB472D #52AB2D
square
#2D91AB #862DAB #AB472D #52AB2D
split-complementary
#2D91AB #AB2D52 #AB862D
monochromatic
#143F4A #20687B #2D91AB #47B2CE #77C7DB

Accessibility & contrast

On white

3.65
#2D91AB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.75
#2D91AB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2D91AB
5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2D91AB#FFFFFF#000000##000000
##2D91AB1.003.655.755.75
#FFFFFF3.651.0021.0021.00
#0000005.7521.001.001.00
##0000005.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#818DAC
Deuteranopia (green-blind)
#7080AB
Tritanopia (blue-blind)
#009A99
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #2d91ab;
/* rgb */ color: rgb(45, 145, 171);
/* oklch */ color: oklch(61.1% 0.097 219.1);
Tailwind
colors: {
  custom: {
    50: '#78b1c4',
    500: '#2d91ab',
    950: '#000000',
  },
}
SCSS
$custom: #2d91ab;
$custom-light: #78b1c4;
$custom-dark: #000000;
JSON
{
  "hex": "#2d91ab",
  "rgb": {
    "r": 45,
    "g": 145,
    "b": 171
  },
  "hsl": {
    "h": 192.381,
    "s": 58.333,
    "l": 42.353
  },
  "oklch": {
    "l": 0.61136,
    "c": 0.09687,
    "h": 219.1
  },
  "luminance": 0.23749
}

Semantic roles & 50–950 ramp

primary
#2D91AB
secondary
#C38271
accent
#6646E2
background
#F7FAFC
surface
#EEF5F8
border
#C9CFD1
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #2D91AB

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

Preview Lab → · Contrast checker → · Palette generator →

#2D91AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva