#2553B2#2553B2

#2553B2 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.8% C 0.160 H 262.5°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX#2553B2
RGBrgb(37, 83, 178)
HSLhsl(220, 66%, 42%)
HSVhsv(220, 79%, 70%)
CMYKcmyk(79.2%, 53.4%, 0%, 30.2%)
CIE-LABlab(37.47, 19.59, -54.97)
CIE-LCHlch(37.47, 58.36, 289.62°)
OKLaboklab(46.77% -0.0208 -0.1584)
OKLCHoklch(46.77% 0.16 262.5)
XYZxyz(11.8892, 9.7928, 43.3744)
Luminance0.0979 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2553B2 #B28425
analogous
#2599B2 #2553B2 #3E25B2
triadic
#2553B2 #B22553 #53B225
tetradic
#2553B2 #B22599 #B28425 #25B23E
square
#2553B2 #B22599 #B28425 #25B23E
split-complementary
#2553B2 #B23E25 #99B225
monochromatic
#10244D #1A3B7F #2553B2 #3D6FD7 #7095E1

Accessibility & contrast

On white

7.10
#2553B2 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.96
#2553B2 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2553B2
7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2553B2#FFFFFF#000000##FFFFFF
##2553B21.007.102.967.10
#FFFFFF7.101.0021.001.00
#0000002.9621.001.0021.00
##FFFFFF7.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#095FB5
Deuteranopia (green-blind)
#0052B0
Tritanopia (blue-blind)
#006A7A
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #2553b2;
/* rgb */ color: rgb(37, 83, 178);
/* oklch */ color: oklch(46.8% 0.160 262.5);
Tailwind
colors: {
  custom: {
    50: '#7682ca',
    500: '#2553b2',
    950: '#000000',
  },
}
SCSS
$custom: #2553b2;
$custom-light: #7682ca;
$custom-dark: #000000;
JSON
{
  "hex": "#2553b2",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 178
  },
  "hsl": {
    "h": 220.426,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.46772,
    "c": 0.15981,
    "h": 262.5
  },
  "luminance": 0.09794
}

Semantic roles & 50–950 ramp

primary
#2553B2
secondary
#C8AA6B
accent
#B13FE9
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0A13
muted
#7C7C82

Preview Lab

Preview with #2553B2

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

Preview Lab → · Contrast checker → · Palette generator →

#2553B2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva