#153C78#153C78

#153C78 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.5% C 0.112 H 259.1°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX#153C78
RGBrgb(21, 60, 120)
HSLhsl(216, 70%, 28%)
HSVhsv(216, 83%, 47%)
CMYKcmyk(82.5%, 50%, 0%, 52.9%)
CIE-LABlab(26.00, 10.15, -38.16)
CIE-LCHlch(26.00, 39.49, 284.90°)
OKLaboklab(36.53% -0.0212 -0.1097)
OKLCHoklch(36.53% 0.112 259.1)
XYZxyz(5.3140, 4.7466, 18.4018)
Luminance0.0475 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153C78 #785115
analogous
#156D78 #153C78 #201578
triadic
#153C78 #78153C #3C7815
tetradic
#153C78 #78156D #785115 #157820
square
#153C78 #78156D #785115 #157820
split-complementary
#153C78 #782015 #6D7815
monochromatic
#050D1A #0C2244 #153C78 #1E56AC #2D71DA

Accessibility & contrast

On white

10.77
#153C78 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.95
#153C78 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C78
10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153C78#FFFFFF#000000##FFFFFF
##153C781.0010.771.9510.77
#FFFFFF10.771.0021.001.00
#0000001.9521.001.0021.00
##FFFFFF10.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A427A
Deuteranopia (green-blind)
#003977
Tritanopia (blue-blind)
#004A54
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #153c78;
/* rgb */ color: rgb(21, 60, 120);
/* oklch */ color: oklch(36.5% 0.112 259.1);
Tailwind
colors: {
  custom: {
    50: '#64719f',
    500: '#153c78',
    950: '#000000',
  },
}
SCSS
$custom: #153c78;
$custom-light: #64719f;
$custom-dark: #000000;
JSON
{
  "hex": "#153c78",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 120
  },
  "hsl": {
    "h": 216.364,
    "s": 70.213,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36525,
    "c": 0.1117,
    "h": 259.1
  },
  "luminance": 0.04747
}

Semantic roles & 50–950 ramp

primary
#153C78
secondary
#AE813B
accent
#A73BED
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E

Preview Lab

Preview with #153C78

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

Preview Lab → · Contrast checker → · Palette generator →

#153C78 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva