#2550CA#2550CA

#2550CA is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.2% C 0.195 H 264.9°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX#2550CA
RGBrgb(37, 80, 202)
HSLhsl(224, 69%, 47%)
HSVhsv(224, 82%, 79%)
CMYKcmyk(81.7%, 60.4%, 0%, 20.8%)
CIE-LABlab(38.54, 30.78, -67.27)
CIE-LCHlch(38.54, 73.97, 294.59°)
OKLaboklab(48.16% -0.0174 -0.1946)
OKLCHoklch(48.16% 0.195 264.9)
XYZxyz(14.2885, 10.3932, 57.1187)
Luminance0.1040 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2550CA #CA9F25
analogous
#25A3CA #2550CA #4D25CA
triadic
#2550CA #CA2550 #50CA25
tetradic
#2550CA #CA25A3 #CA9F25 #25CA4D
square
#2550CA #CA25A3 #CA9F25 #25CA4D
split-complementary
#2550CA #CA4D25 #A3CA25
monochromatic
#122763 #1C3C96 #2550CA #4E73DF #819CE8

Accessibility & contrast

On white

6.82
#2550CA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.08
#2550CA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2550CA
6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2550CA#FFFFFF#000000##FFFFFF
##2550CA1.006.823.086.82
#FFFFFF6.821.0021.001.00
#0000003.0821.001.0021.00
##FFFFFF6.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0063CE
Deuteranopia (green-blind)
#0053C8
Tritanopia (blue-blind)
#006F85
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #2550ca;
/* rgb */ color: rgb(37, 80, 202);
/* oklch */ color: oklch(48.2% 0.195 264.9);
Tailwind
colors: {
  custom: {
    50: '#7c80db',
    500: '#2550ca',
    950: '#000000',
  },
}
SCSS
$custom: #2550ca;
$custom-light: #7c80db;
$custom-dark: #000000;
JSON
{
  "hex": "#2550ca",
  "rgb": {
    "r": 37,
    "g": 80,
    "b": 202
  },
  "hsl": {
    "h": 224.364,
    "s": 69.038,
    "l": 46.863
  },
  "oklch": {
    "l": 0.48164,
    "c": 0.19539,
    "h": 264.9
  },
  "luminance": 0.10395
}

Semantic roles & 50–950 ramp

primary
#2550CA
secondary
#D1BA7A
accent
#BE3CEC
background
#F8F7FD
surface
#F0EEFB
border
#CBC9D4
text
#0B0A15
muted
#7C7C83

Preview Lab

Preview with #2550CA

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

Preview Lab → · Contrast checker → · Palette generator →

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