#153983#153983

#153983 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.7% C 0.132 H 262.4°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX#153983
RGBrgb(21, 57, 131)
HSLhsl(220, 72%, 30%)
HSVhsv(220, 84%, 51%)
CMYKcmyk(84%, 56.5%, 0%, 48.6%)
CIE-LABlab(25.93, 16.87, -45.19)
CIE-LCHlch(25.93, 48.23, 290.47°)
OKLaboklab(36.74% -0.0174 -0.1304)
OKLCHoklch(36.74% 0.132 262.4)
XYZxyz(5.8676, 4.7237, 22.0708)
Luminance0.0472 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153983 #835F15
analogous
#157083 #153983 #281583
triadic
#153983 #831539 #398315
tetradic
#153983 #831570 #835F15 #158328
square
#153983 #831570 #835F15 #158328
split-complementary
#153983 #832815 #708315
monochromatic
#040B1A #0D224E #153983 #1D50B8 #346CDE

Accessibility & contrast

On white

10.80
#153983 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.94
#153983 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153983
10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153983#FFFFFF#000000##FFFFFF
##1539831.0010.801.9410.80
#FFFFFF10.801.0021.001.00
#0000001.9421.001.0021.00
##FFFFFF10.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004386
Deuteranopia (green-blind)
#003982
Tritanopia (blue-blind)
#004B58
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #153983;
/* rgb */ color: rgb(21, 57, 131);
/* oklch */ color: oklch(36.7% 0.132 262.4);
Tailwind
colors: {
  custom: {
    50: '#676ea8',
    500: '#153983',
    950: '#000000',
  },
}
SCSS
$custom: #153983;
$custom-light: #676ea8;
$custom-dark: #000000;
JSON
{
  "hex": "#153983",
  "rgb": {
    "r": 21,
    "g": 57,
    "b": 131
  },
  "hsl": {
    "h": 220.364,
    "s": 72.368,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36738,
    "c": 0.13157,
    "h": 262.4
  },
  "luminance": 0.04724
}

Semantic roles & 50–950 ramp

primary
#153983
secondary
#B88F3C
accent
#B339EF
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#070710
muted
#7A7A7F

Preview Lab

Preview with #153983

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

Preview Lab → · Contrast checker → · Palette generator →

#153983 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva