#153B88#153B88

#153B88 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.6% C 0.136 H 262.3°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX#153B88
RGBrgb(21, 59, 136)
HSLhsl(220, 73%, 31%)
HSVhsv(220, 85%, 53%)
CMYKcmyk(84.6%, 56.6%, 0%, 46.7%)
CIE-LABlab(26.92, 17.53, -46.70)
CIE-LCHlch(26.92, 49.89, 290.57°)
OKLaboklab(37.61% -0.0183 -0.1348)
OKLCHoklch(37.61% 0.136 262.3)
XYZxyz(6.3156, 5.0642, 23.9324)
Luminance0.0507 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153B88 #886215
analogous
#157488 #153B88 #281588
triadic
#153B88 #88153B #3B8815
tetradic
#153B88 #881574 #886215 #158828
square
#153B88 #881574 #886215 #158828
split-complementary
#153B88 #882815 #748815
monochromatic
#050D1E #0D2453 #153B88 #1D52BD #376FE0

Accessibility & contrast

On white

10.43
#153B88 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.01
#153B88 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B88
10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153B88#FFFFFF#000000##FFFFFF
##153B881.0010.432.0110.43
#FFFFFF10.431.0021.001.00
#0000002.0121.001.0021.00
##FFFFFF10.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00458B
Deuteranopia (green-blind)
#003B86
Tritanopia (blue-blind)
#004E5B
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #153b88;
/* rgb */ color: rgb(21, 59, 136);
/* oklch */ color: oklch(37.6% 0.136 262.3);
Tailwind
colors: {
  custom: {
    50: '#6870ab',
    500: '#153b88',
    950: '#000000',
  },
}
SCSS
$custom: #153b88;
$custom-light: #6870ab;
$custom-dark: #000000;
JSON
{
  "hex": "#153b88",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 136
  },
  "hsl": {
    "h": 220.174,
    "s": 73.248,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3761,
    "c": 0.13608,
    "h": 262.3
  },
  "luminance": 0.05065
}

Semantic roles & 50–950 ramp

primary
#153B88
secondary
#BC923D
accent
#B338F0
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#070710
muted
#7A7A7F

Preview Lab

Preview with #153B88

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

Preview Lab → · Contrast checker → · Palette generator →

#153B88 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva