#2A90A8#2A90A8

#2A90A8 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 60.7% C 0.096 H 217.3°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX#2A90A8
RGBrgb(42, 144, 168)
HSLhsl(191, 60%, 41%)
HSVhsv(191, 75%, 66%)
CMYKcmyk(75%, 14.3%, 0%, 34.1%)
CIE-LABlab(55.34, -20.42, -20.92)
CIE-LCHlch(55.34, 29.24, 225.70°)
OKLaboklab(60.69% -0.0767 -0.0584)
OKLCHoklch(60.69% 0.096 217.3)
XYZxyz(17.9930, 23.2638, 40.5803)
Luminance0.2327 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2A90A8 #A8422A
analogous
#2AA881 #2A90A8 #2A51A8
triadic
#2A90A8 #A82A90 #90A82A
tetradic
#2A90A8 #812AA8 #A8422A #51A82A
square
#2A90A8 #812AA8 #A8422A #51A82A
split-complementary
#2A90A8 #A82A51 #A8812A
monochromatic
#123C46 #1E6677 #2A90A8 #40B4CF #71C7DB

Accessibility & contrast

On white

3.71
#2A90A8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.65
#2A90A8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A90A8
5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2A90A8#FFFFFF#000000##000000
##2A90A81.003.715.655.65
#FFFFFF3.711.0021.0021.00
#0000005.6521.001.001.00
##0000005.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#808CA9
Deuteranopia (green-blind)
#6F7FA8
Tritanopia (blue-blind)
#009898
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #2a90a8;
/* rgb */ color: rgb(42, 144, 168);
/* oklch */ color: oklch(60.7% 0.096 217.3);
Tailwind
colors: {
  custom: {
    50: '#77b0c2',
    500: '#2a90a8',
    950: '#000000',
  },
}
SCSS
$custom: #2a90a8;
$custom-light: #77b0c2;
$custom-dark: #000000;
JSON
{
  "hex": "#2a90a8",
  "rgb": {
    "r": 42,
    "g": 144,
    "b": 168
  },
  "hsl": {
    "h": 191.429,
    "s": 60,
    "l": 41.176
  },
  "oklch": {
    "l": 0.60685,
    "c": 0.09639,
    "h": 217.3
  },
  "luminance": 0.23266
}

Semantic roles & 50–950 ramp

primary
#2A90A8
secondary
#C37C6B
accent
#6345E3
background
#F7FAFB
surface
#EEF5F7
border
#C9CFD0
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #2A90A8

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

Preview Lab → · Contrast checker → · Palette generator →

#2A90A8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva