#153A75#153A75

#153A75 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.8% C 0.110 H 259.5°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX#153A75
RGBrgb(21, 58, 117)
HSLhsl(217, 70%, 27%)
HSVhsv(217, 82%, 46%)
CMYKcmyk(82.1%, 50.4%, 0%, 54.1%)
CIE-LABlab(25.17, 10.31, -37.61)
CIE-LCHlch(25.17, 38.99, 285.33°)
OKLaboklab(35.82% -0.02 -0.1081)
OKLCHoklch(35.82% 0.11 259.5)
XYZxyz(5.0320, 4.4693, 17.4236)
Luminance0.0447 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153A75 #755015
analogous
#156A75 #153A75 #201575
triadic
#153A75 #75153A #3A7515
tetradic
#153A75 #75156A #755015 #157520
square
#153A75 #75156A #755015 #157520
split-complementary
#153A75 #752015 #6A7515
monochromatic
#050D1A #0C2041 #153A75 #1E54A9 #2B6ED9

Accessibility & contrast

On white

11.09
#153A75 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.89
#153A75 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A75
11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153A75#FFFFFF#000000##FFFFFF
##153A751.0011.091.8911.09
#FFFFFF11.091.0021.001.00
#0000001.8921.001.0021.00
##FFFFFF11.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#184077
Deuteranopia (green-blind)
#003874
Tritanopia (blue-blind)
#004852
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #153a75;
/* rgb */ color: rgb(21, 58, 117);
/* oklch */ color: oklch(35.8% 0.110 259.5);
Tailwind
colors: {
  custom: {
    50: '#636f9d',
    500: '#153a75',
    950: '#000000',
  },
}
SCSS
$custom: #153a75;
$custom-light: #636f9d;
$custom-dark: #000000;
JSON
{
  "hex": "#153a75",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 117
  },
  "hsl": {
    "h": 216.875,
    "s": 69.565,
    "l": 27.059
  },
  "oklch": {
    "l": 0.35815,
    "c": 0.10992,
    "h": 259.5
  },
  "luminance": 0.0447
}

Semantic roles & 50–950 ramp

primary
#153A75
secondary
#AB803B
accent
#A83BEC
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E

Preview Lab

Preview with #153A75

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

Preview Lab → · Contrast checker → · Palette generator →

#153A75 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva