#153D78#153D78

#153D78 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.110 H 258.5°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX#153D78
RGBrgb(21, 61, 120)
HSLhsl(216, 70%, 28%)
HSVhsv(216, 83%, 47%)
CMYKcmyk(82.5%, 49.2%, 0%, 52.9%)
CIE-LABlab(26.31, 9.45, -37.66)
CIE-LCHlch(26.31, 38.83, 284.09°)
OKLaboklab(36.76% -0.022 -0.1082)
OKLCHoklch(36.76% 0.11 258.5)
XYZxyz(5.3669, 4.8523, 18.4194)
Luminance0.0485 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153D78 #785015
analogous
#156E78 #153D78 #1F1578
triadic
#153D78 #78153D #3D7815
tetradic
#153D78 #78156E #785015 #15781F
square
#153D78 #78156E #785015 #15781F
split-complementary
#153D78 #781F15 #6E7815
monochromatic
#050D1A #0C2344 #153D78 #1E57AC #2D73DA

Accessibility & contrast

On white

10.66
#153D78 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.97
#153D78 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D78
10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153D78#FFFFFF#000000##FFFFFF
##153D781.0010.661.9710.66
#FFFFFF10.661.0021.001.00
#0000001.9721.001.0021.00
##FFFFFF10.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1C437A
Deuteranopia (green-blind)
#003A77
Tritanopia (blue-blind)
#004B54
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #153d78;
/* rgb */ color: rgb(21, 61, 120);
/* oklch */ color: oklch(36.8% 0.110 258.5);
Tailwind
colors: {
  custom: {
    50: '#64719f',
    500: '#153d78',
    950: '#000000',
  },
}
SCSS
$custom: #153d78;
$custom-light: #64719f;
$custom-dark: #000000;
JSON
{
  "hex": "#153d78",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 120
  },
  "hsl": {
    "h": 215.758,
    "s": 70.213,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36763,
    "c": 0.11041,
    "h": 258.5
  },
  "luminance": 0.04853
}

Semantic roles & 50–950 ramp

primary
#153D78
secondary
#AE7F3B
accent
#A53BED
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E

Preview Lab

Preview with #153D78

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

Preview Lab → · Contrast checker → · Palette generator →

#153D78 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva