#153783#153783

#153783 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.3% C 0.134 H 263.2°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX#153783
RGBrgb(21, 55, 131)
HSLhsl(221, 72%, 30%)
HSVhsv(221, 84%, 51%)
CMYKcmyk(84%, 58%, 0%, 48.6%)
CIE-LABlab(25.35, 18.28, -46.13)
CIE-LCHlch(25.35, 49.62, 291.62°)
OKLaboklab(36.3% -0.016 -0.1332)
OKLCHoklch(36.3% 0.134 263.2)
XYZxyz(5.7707, 4.5298, 22.0385)
Luminance0.0453 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153783 #836115
analogous
#156E83 #153783 #2A1583
triadic
#153783 #831537 #378315
tetradic
#153783 #83156E #836115 #15832A
square
#153783 #83156E #836115 #15832A
split-complementary
#153783 #832A15 #6E8315
monochromatic
#040B1A #0D214E #153783 #1D4DB8 #3469DE

Accessibility & contrast

On white

11.02
#153783 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.91
#153783 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153783
11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153783#FFFFFF#000000##FFFFFF
##1537831.0011.021.9111.02
#FFFFFF11.021.0021.001.00
#0000001.9121.001.0021.00
##FFFFFF11.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004186
Deuteranopia (green-blind)
#003782
Tritanopia (blue-blind)
#004A57
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #153783;
/* rgb */ color: rgb(21, 55, 131);
/* oklch */ color: oklch(36.3% 0.134 263.2);
Tailwind
colors: {
  custom: {
    50: '#676da8',
    500: '#153783',
    950: '#000000',
  },
}
SCSS
$custom: #153783;
$custom-light: #676da8;
$custom-dark: #000000;
JSON
{
  "hex": "#153783",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 131
  },
  "hsl": {
    "h": 221.455,
    "s": 72.368,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36299,
    "c": 0.13418,
    "h": 263.2
  },
  "luminance": 0.0453
}

Semantic roles & 50–950 ramp

primary
#153783
secondary
#B8913C
accent
#B739EF
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#070710
muted
#7A7A7F

Preview Lab

Preview with #153783

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

Preview Lab → · Contrast checker → · Palette generator →

#153783 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva