#153E88#153E88

#153E88 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.3% C 0.132 H 261.1°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX#153E88
RGBrgb(21, 62, 136)
HSLhsl(219, 73%, 31%)
HSVhsv(219, 85%, 53%)
CMYKcmyk(84.6%, 54.4%, 0%, 46.7%)
CIE-LABlab(27.80, 15.43, -45.28)
CIE-LCHlch(27.80, 47.84, 288.81°)
OKLaboklab(38.28% -0.0205 -0.1306)
OKLCHoklch(38.28% 0.132 261.1)
XYZxyz(6.4742, 5.3815, 23.9853)
Luminance0.0538 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153E88 #885F15
analogous
#157788 #153E88 #261588
triadic
#153E88 #88153E #3E8815
tetradic
#153E88 #881577 #885F15 #158826
square
#153E88 #881577 #885F15 #158826
split-complementary
#153E88 #882615 #778815
monochromatic
#050E1E #0D2653 #153E88 #1D56BD #3773E0

Accessibility & contrast

On white

10.11
#153E88 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.08
#153E88 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E88
10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153E88#FFFFFF#000000##FFFFFF
##153E881.0010.112.0810.11
#FFFFFF10.111.0021.001.00
#0000002.0821.001.0021.00
##FFFFFF10.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#05478B
Deuteranopia (green-blind)
#003D87
Tritanopia (blue-blind)
#00505C
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #153e88;
/* rgb */ color: rgb(21, 62, 136);
/* oklch */ color: oklch(38.3% 0.132 261.1);
Tailwind
colors: {
  custom: {
    50: '#6872ab',
    500: '#153e88',
    950: '#000000',
  },
}
SCSS
$custom: #153e88;
$custom-light: #6872ab;
$custom-dark: #000000;
JSON
{
  "hex": "#153e88",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 136
  },
  "hsl": {
    "h": 218.609,
    "s": 73.248,
    "l": 30.784
  },
  "oklch": {
    "l": 0.38277,
    "c": 0.13217,
    "h": 261.1
  },
  "luminance": 0.05382
}

Semantic roles & 50–950 ramp

primary
#153E88
secondary
#BC8F3D
accent
#AE38F0
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#070710
muted
#7A7A7F

Preview Lab

Preview with #153E88

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

Preview Lab → · Contrast checker → · Palette generator →

#153E88 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva