#2663AB#2663AB

#2663AB is a mid, vivid cyan. Relative luminance 0.123; OKLCH L 49.8% C 0.131 H 254.8°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX#2663AB
RGBrgb(38, 99, 171)
HSLhsl(212, 64%, 41%)
HSVhsv(212, 78%, 67%)
CMYKcmyk(77.8%, 42.1%, 0%, 32.9%)
CIE-LABlab(41.65, 6.52, -44.11)
CIE-LCHlch(41.65, 44.59, 278.41°)
OKLaboklab(49.85% -0.0343 -0.1262)
OKLCHoklch(49.85% 0.131 254.8)
XYZxyz(12.6091, 12.2746, 40.2249)
Luminance0.1228 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2663AB #AB6E26
analogous
#26A5AB #2663AB #2B26AB
triadic
#2663AB #AB2663 #63AB26
tetradic
#2663AB #AB26A5 #AB6E26 #26AB2B
square
#2663AB #AB26A5 #AB6E26 #26AB2B
split-complementary
#2663AB #AB2B26 #A5AB26
monochromatic
#102947 #1B4679 #2663AB #3B81D3 #6DA1DF

Accessibility & contrast

On white

6.08
#2663AB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.46
#2663AB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2663AB
6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2663AB#FFFFFF#000000##FFFFFF
##2663AB1.006.083.466.08
#FFFFFF6.081.0021.001.00
#0000003.4621.001.0021.00
##FFFFFF6.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4069AE
Deuteranopia (green-blind)
#285DAA
Tritanopia (blue-blind)
#00747E
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #2663ab;
/* rgb */ color: rgb(38, 99, 171);
/* oklch */ color: oklch(49.8% 0.131 254.8);
Tailwind
colors: {
  custom: {
    50: '#748ec4',
    500: '#2663ab',
    950: '#000000',
  },
}
SCSS
$custom: #2663ab;
$custom-light: #748ec4;
$custom-dark: #000000;
JSON
{
  "hex": "#2663ab",
  "rgb": {
    "r": 38,
    "g": 99,
    "b": 171
  },
  "hsl": {
    "h": 212.481,
    "s": 63.636,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49848,
    "c": 0.13075,
    "h": 254.8
  },
  "luminance": 0.12276
}

Semantic roles & 50–950 ramp

primary
#2663AB
secondary
#C59A68
accent
#9B41E7
background
#F7F8FC
surface
#EEF0F8
border
#C9CBD1
text
#090C13
muted
#7B7D82

Preview Lab

Preview with #2663AB

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

Preview Lab → · Contrast checker → · Palette generator →

#2663AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva