#153D88#153D88

#153D88 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.1% C 0.133 H 261.5°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX#153D88
RGBrgb(21, 61, 136)
HSLhsl(219, 73%, 31%)
HSVhsv(219, 85%, 53%)
CMYKcmyk(84.6%, 55.1%, 0%, 46.7%)
CIE-LABlab(27.50, 16.13, -45.76)
CIE-LCHlch(27.50, 48.52, 289.42°)
OKLaboklab(38.05% -0.0197 -0.132)
OKLCHoklch(38.05% 0.133 261.5)
XYZxyz(6.4203, 5.2737, 23.9673)
Luminance0.0527 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153D88 #886015
analogous
#157688 #153D88 #261588
triadic
#153D88 #88153D #3D8815
tetradic
#153D88 #881576 #886015 #158826
square
#153D88 #881576 #886015 #158826
split-complementary
#153D88 #882615 #768815
monochromatic
#050D1E #0D2553 #153D88 #1D55BD #3772E0

Accessibility & contrast

On white

10.22
#153D88 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.05
#153D88 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D88
10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153D88#FFFFFF#000000##FFFFFF
##153D881.0010.222.0510.22
#FFFFFF10.221.0021.001.00
#0000002.0521.001.0021.00
##FFFFFF10.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00468B
Deuteranopia (green-blind)
#003C87
Tritanopia (blue-blind)
#004F5C
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #153d88;
/* rgb */ color: rgb(21, 61, 136);
/* oklch */ color: oklch(38.1% 0.133 261.5);
Tailwind
colors: {
  custom: {
    50: '#6871ab',
    500: '#153d88',
    950: '#000000',
  },
}
SCSS
$custom: #153d88;
$custom-light: #6871ab;
$custom-dark: #000000;
JSON
{
  "hex": "#153d88",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 136
  },
  "hsl": {
    "h": 219.13,
    "s": 73.248,
    "l": 30.784
  },
  "oklch": {
    "l": 0.38053,
    "c": 0.13348,
    "h": 261.5
  },
  "luminance": 0.05274
}

Semantic roles & 50–950 ramp

primary
#153D88
secondary
#BC903D
accent
#B038F0
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#070710
muted
#7A7A7F

Preview Lab

Preview with #153D88

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

Preview Lab → · Contrast checker → · Palette generator →

#153D88 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva