#153571#153571

#153571 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.3% C 0.111 H 261.5°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX#153571
RGBrgb(21, 53, 113)
HSLhsl(219, 69%, 26%)
HSVhsv(219, 81%, 44%)
CMYKcmyk(81.4%, 53.1%, 0%, 55.7%)
CIE-LABlab(23.33, 12.18, -38.02)
CIE-LCHlch(23.33, 39.92, 287.77°)
OKLaboklab(34.31% -0.0163 -0.1094)
OKLCHoklch(34.31% 0.111 261.5)
XYZxyz(4.5619, 3.8974, 16.1314)
Luminance0.0390 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153571 #715115
analogous
#156371 #153571 #231571
triadic
#153571 #711535 #357115
tetradic
#153571 #711563 #715115 #157123
square
#153571 #711563 #715115 #157123
split-complementary
#153571 #712315 #637115
monochromatic
#050C1A #0B1D3D #153571 #1F4DA5 #2966D7

Accessibility & contrast

On white

11.80
#153571 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.78
#153571 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153571
11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153571#FFFFFF#000000##FFFFFF
##1535711.0011.801.7811.80
#FFFFFF11.801.0021.001.00
#0000001.7821.001.0021.00
##FFFFFF11.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0F3C73
Deuteranopia (green-blind)
#003470
Tritanopia (blue-blind)
#00434D
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #153571;
/* rgb */ color: rgb(21, 53, 113);
/* oklch */ color: oklch(34.3% 0.111 261.5);
Tailwind
colors: {
  custom: {
    50: '#626b9a',
    500: '#153571',
    950: '#000000',
  },
}
SCSS
$custom: #153571;
$custom-light: #626b9a;
$custom-dark: #000000;
JSON
{
  "hex": "#153571",
  "rgb": {
    "r": 21,
    "g": 53,
    "b": 113
  },
  "hsl": {
    "h": 219.13,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.34314,
    "c": 0.11062,
    "h": 261.5
  },
  "luminance": 0.03898
}

Semantic roles & 50–950 ramp

primary
#153571
secondary
#A7813B
accent
#AF3CEB
background
#F6F6F9
surface
#EBEBF2
border
#C6C6CC
text
#06060E
muted
#7A7A7E

Preview Lab

Preview with #153571

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

Preview Lab → · Contrast checker → · Palette generator →

#153571 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva