#2D90AB#2D90AB

#2D90AB is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 60.9% C 0.097 H 220.1°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX#2D90AB
RGBrgb(45, 144, 171)
HSLhsl(193, 58%, 42%)
HSVhsv(193, 74%, 67%)
CMYKcmyk(73.7%, 15.8%, 0%, 32.9%)
CIE-LABlab(55.53, -19.04, -22.36)
CIE-LCHlch(55.53, 29.36, 229.58°)
OKLaboklab(60.89% -0.0741 -0.0625)
OKLCHoklch(60.89% 0.097 220.1)
XYZxyz(18.4031, 23.4425, 42.0751)
Luminance0.2344 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2D90AB #AB482D
analogous
#2DAB87 #2D90AB #2D51AB
triadic
#2D90AB #AB2D90 #90AB2D
tetradic
#2D90AB #872DAB #AB482D #51AB2D
square
#2D90AB #872DAB #AB482D #51AB2D
split-complementary
#2D90AB #AB2D51 #AB872D
monochromatic
#143E4A #20677B #2D90AB #47B1CE #77C6DB

Accessibility & contrast

On white

3.69
#2D90AB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.69
#2D90AB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2D90AB
5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2D90AB#FFFFFF#000000##000000
##2D90AB1.003.695.695.69
#FFFFFF3.691.0021.0021.00
#0000005.6921.001.001.00
##0000005.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#808CAC
Deuteranopia (green-blind)
#6E80AB
Tritanopia (blue-blind)
#009999
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #2d90ab;
/* rgb */ color: rgb(45, 144, 171);
/* oklch */ color: oklch(60.9% 0.097 220.1);
Tailwind
colors: {
  custom: {
    50: '#78b0c4',
    500: '#2d90ab',
    950: '#000000',
  },
}
SCSS
$custom: #2d90ab;
$custom-light: #78b0c4;
$custom-dark: #000000;
JSON
{
  "hex": "#2d90ab",
  "rgb": {
    "r": 45,
    "g": 144,
    "b": 171
  },
  "hsl": {
    "h": 192.857,
    "s": 58.333,
    "l": 42.353
  },
  "oklch": {
    "l": 0.60889,
    "c": 0.09694,
    "h": 220.1
  },
  "luminance": 0.23445
}

Semantic roles & 50–950 ramp

primary
#2D90AB
secondary
#C38271
accent
#6846E2
background
#F7FAFC
surface
#EEF5F8
border
#C9CFD1
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #2D90AB

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

Preview Lab → · Contrast checker → · Palette generator →

#2D90AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva