#2563AC#2563AC

#2563AC is a mid, vivid cyan. Relative luminance 0.123; OKLCH L 49.9% C 0.132 H 254.8°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX#2563AC
RGBrgb(37, 99, 172)
HSLhsl(212, 65%, 41%)
HSVhsv(212, 78%, 67%)
CMYKcmyk(78.5%, 42.4%, 0%, 32.5%)
CIE-LABlab(41.68, 6.79, -44.65)
CIE-LCHlch(41.68, 45.17, 278.64°)
OKLaboklab(49.88% -0.0347 -0.1278)
OKLCHoklch(49.88% 0.132 254.8)
XYZxyz(12.6684, 12.2941, 40.7270)
Luminance0.1230 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2563AC #AC6E25
analogous
#25A6AC #2563AC #2A25AC
triadic
#2563AC #AC2563 #63AC25
tetradic
#2563AC #AC25A6 #AC6E25 #25AC2A
square
#2563AC #AC25A6 #AC6E25 #25AC2A
split-complementary
#2563AC #AC2A25 #A6AC25
monochromatic
#0F2947 #1A467A #2563AC #3A81D5 #6CA1DF

Accessibility & contrast

On white

6.07
#2563AC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.46
#2563AC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2563AC
6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2563AC#FFFFFF#000000##FFFFFF
##2563AC1.006.073.466.07
#FFFFFF6.071.0021.001.00
#0000003.4621.001.0021.00
##FFFFFF6.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F69AF
Deuteranopia (green-blind)
#275DAB
Tritanopia (blue-blind)
#00747F
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #2563ac;
/* rgb */ color: rgb(37, 99, 172);
/* oklch */ color: oklch(49.9% 0.132 254.8);
Tailwind
colors: {
  custom: {
    50: '#748ec5',
    500: '#2563ac',
    950: '#000000',
  },
}
SCSS
$custom: #2563ac;
$custom-light: #748ec5;
$custom-dark: #000000;
JSON
{
  "hex": "#2563ac",
  "rgb": {
    "r": 37,
    "g": 99,
    "b": 172
  },
  "hsl": {
    "h": 212.444,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49883,
    "c": 0.13239,
    "h": 254.8
  },
  "luminance": 0.12296
}

Semantic roles & 50–950 ramp

primary
#2563AC
secondary
#C69A67
accent
#9B40E8
background
#F7F8FC
surface
#EEF0F8
border
#C9CBD1
text
#090C13
muted
#7B7D82

Preview Lab

Preview with #2563AC

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

Preview Lab → · Contrast checker → · Palette generator →

#2563AC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva