#2148A9#2148A9

#2148A9 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.6% C 0.162 H 264.1°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX#2148A9
RGBrgb(33, 72, 169)
HSLhsl(223, 67%, 40%)
HSVhsv(223, 80%, 66%)
CMYKcmyk(80.5%, 57.4%, 0%, 33.7%)
CIE-LABlab(33.61, 23.03, -55.90)
CIE-LCHlch(33.61, 60.46, 292.39°)
OKLaboklab(43.6% -0.0166 -0.1614)
OKLCHoklch(43.6% 0.162 264.1)
XYZxyz(10.1034, 7.8214, 38.5056)
Luminance0.0782 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2148A9 #A98221
analogous
#218CA9 #2148A9 #3E21A9
triadic
#2148A9 #A92148 #48A921
tetradic
#2148A9 #A9218C #A98221 #21A93E
square
#2148A9 #A9218C #A98221 #21A93E
split-complementary
#2148A9 #A93E21 #8CA921
monochromatic
#0D1C43 #173276 #2148A9 #3160D7 #6488E1

Accessibility & contrast

On white

8.19
#2148A9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.56
#2148A9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2148A9
8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2148A9#FFFFFF#000000##FFFFFF
##2148A91.008.192.568.19
#FFFFFF8.191.0021.001.00
#0000002.5621.001.0021.00
##FFFFFF8.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0056AC
Deuteranopia (green-blind)
#0049A7
Tritanopia (blue-blind)
#006071
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #2148a9;
/* rgb */ color: rgb(33, 72, 169);
/* oklch */ color: oklch(43.6% 0.162 264.1);
Tailwind
colors: {
  custom: {
    50: '#737ac3',
    500: '#2148a9',
    950: '#000000',
  },
}
SCSS
$custom: #2148a9;
$custom-light: #737ac3;
$custom-dark: #000000;
JSON
{
  "hex": "#2148a9",
  "rgb": {
    "r": 33,
    "g": 72,
    "b": 169
  },
  "hsl": {
    "h": 222.794,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.43599,
    "c": 0.16229,
    "h": 264.1
  },
  "luminance": 0.07823
}

Semantic roles & 50–950 ramp

primary
#2148A9
secondary
#C6A960
accent
#B93EEA
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#090913
muted
#7B7B82

Preview Lab

Preview with #2148A9

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

Preview Lab → · Contrast checker → · Palette generator →

#2148A9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva