#2550BD#2550BD

#2550BD is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.0% C 0.178 H 264.2°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX#2550BD
RGBrgb(37, 80, 189)
HSLhsl(223, 67%, 44%)
HSVhsv(223, 80%, 74%)
CMYKcmyk(80.4%, 57.7%, 0%, 25.9%)
CIE-LABlab(37.49, 25.83, -61.41)
CIE-LCHlch(37.49, 66.62, 292.81°)
OKLaboklab(47.05% -0.0179 -0.1774)
OKLCHoklch(47.05% 0.178 264.2)
XYZxyz(12.8136, 9.8032, 49.3511)
Luminance0.0980 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2550BD #BD9225
analogous
#259CBD #2550BD #4625BD
triadic
#2550BD #BD2550 #50BD25
tetradic
#2550BD #BD259C #BD9225 #25BD46
square
#2550BD #BD259C #BD9225 #25BD46
split-complementary
#2550BD #BD4625 #9CBD25
monochromatic
#112557 #1B3A8A #2550BD #456FDB #7897E5

Accessibility & contrast

On white

7.09
#2550BD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.96
#2550BD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2550BD
7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2550BD#FFFFFF#000000##FFFFFF
##2550BD1.007.092.967.09
#FFFFFF7.091.0021.001.00
#0000002.9621.001.0021.00
##FFFFFF7.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005FC1
Deuteranopia (green-blind)
#0051BB
Tritanopia (blue-blind)
#006B7E
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #2550bd;
/* rgb */ color: rgb(37, 80, 189);
/* oklch */ color: oklch(47.0% 0.178 264.2);
Tailwind
colors: {
  custom: {
    50: '#7980d2',
    500: '#2550bd',
    950: '#000000',
  },
}
SCSS
$custom: #2550bd;
$custom-light: #7980d2;
$custom-dark: #000000;
JSON
{
  "hex": "#2550bd",
  "rgb": {
    "r": 37,
    "g": 80,
    "b": 189
  },
  "hsl": {
    "h": 223.026,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.4705,
    "c": 0.17832,
    "h": 264.2
  },
  "luminance": 0.09805
}

Semantic roles & 50–950 ramp

primary
#2550BD
secondary
#CCB372
accent
#B93EEA
background
#F8F7FD
surface
#EFEEFA
border
#CAC9D3
text
#0B0A14
muted
#7C7C83

Preview Lab

Preview with #2550BD

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

Preview Lab → · Contrast checker → · Palette generator →

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