#2550A3#2550A3

#2550A3 is a dark, vivid blue. Relative luminance 0.088; OKLCH L 45.0% C 0.143 H 261.9°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX#2550A3
RGBrgb(37, 80, 163)
HSLhsl(220, 63%, 39%)
HSVhsv(220, 77%, 64%)
CMYKcmyk(77.3%, 50.9%, 0%, 36.1%)
CIE-LABlab(35.55, 15.74, -49.17)
CIE-LCHlch(35.55, 51.62, 287.75°)
OKLaboklab(44.97% -0.0202 -0.1414)
OKLCHoklch(44.97% 0.143 261.9)
XYZxyz(10.2401, 8.7738, 35.7971)
Luminance0.0877 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2550A3 #A37825
analogous
#258FA3 #2550A3 #3925A3
triadic
#2550A3 #A32550 #50A325
tetradic
#2550A3 #A3258F #A37825 #25A339
square
#2550A3 #A3258F #A37825 #25A339
split-complementary
#2550A3 #A33925 #8FA325
monochromatic
#0E1F3F #1A3871 #2550A3 #346AD1 #668EDC

Accessibility & contrast

On white

7.62
#2550A3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.75
#2550A3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2550A3
7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2550A3#FFFFFF#000000##FFFFFF
##2550A31.007.622.757.62
#FFFFFF7.621.0021.001.00
#0000002.7521.001.0021.00
##FFFFFF7.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1D5AA6
Deuteranopia (green-blind)
#004EA1
Tritanopia (blue-blind)
#006472
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #2550a3;
/* rgb */ color: rgb(37, 80, 163);
/* oklch */ color: oklch(45.0% 0.143 261.9);
Tailwind
colors: {
  custom: {
    50: '#7380bf',
    500: '#2550a3',
    950: '#000000',
  },
}
SCSS
$custom: #2550a3;
$custom-light: #7380bf;
$custom-dark: #000000;
JSON
{
  "hex": "#2550a3",
  "rgb": {
    "r": 37,
    "g": 80,
    "b": 163
  },
  "hsl": {
    "h": 219.524,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.44966,
    "c": 0.14285,
    "h": 261.9
  },
  "luminance": 0.08775
}

Semantic roles & 50–950 ramp

primary
#2550A3
secondary
#C2A162
accent
#AE42E6
background
#F7F7FB
surface
#EDEEF7
border
#C8C9D0
text
#090A12
muted
#7B7C81

Preview Lab

Preview with #2550A3

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

Preview Lab → · Contrast checker → · Palette generator →

#2550A3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva