#153B79#153B79

#153B79 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.4% C 0.114 H 259.9°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX#153B79
RGBrgb(21, 59, 121)
HSLhsl(217, 70%, 28%)
HSVhsv(217, 83%, 47%)
CMYKcmyk(82.6%, 51.2%, 0%, 52.5%)
CIE-LABlab(25.76, 11.28, -39.17)
CIE-LCHlch(25.76, 40.77, 286.06°)
OKLaboklab(36.37% -0.0202 -0.1127)
OKLCHoklch(36.37% 0.114 259.9)
XYZxyz(5.3232, 4.6672, 18.7058)
Luminance0.0467 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153B79 #795315
analogous
#156D79 #153B79 #211579
triadic
#153B79 #79153B #3B7915
tetradic
#153B79 #79156D #795315 #157921
square
#153B79 #79156D #795315 #157921
split-complementary
#153B79 #792115 #6D7915
monochromatic
#050D1A #0C2245 #153B79 #1E54AD #2E6FDB

Accessibility & contrast

On white

10.86
#153B79 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#153B79 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B79
10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153B79#FFFFFF#000000##FFFFFF
##153B791.0010.861.9310.86
#FFFFFF10.861.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#16427B
Deuteranopia (green-blind)
#003978
Tritanopia (blue-blind)
#004A54
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #153b79;
/* rgb */ color: rgb(21, 59, 121);
/* oklch */ color: oklch(36.4% 0.114 259.9);
Tailwind
colors: {
  custom: {
    50: '#6470a0',
    500: '#153b79',
    950: '#000000',
  },
}
SCSS
$custom: #153b79;
$custom-light: #6470a0;
$custom-dark: #000000;
JSON
{
  "hex": "#153b79",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 121
  },
  "hsl": {
    "h": 217.2,
    "s": 70.423,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36367,
    "c": 0.11447,
    "h": 259.9
  },
  "luminance": 0.04668
}

Semantic roles & 50–950 ramp

primary
#153B79
secondary
#AF833B
accent
#A93BED
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070F
muted
#7A7A7E

Preview Lab

Preview with #153B79

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

Preview Lab → · Contrast checker → · Palette generator →

#153B79 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva