#153F83#153F83

#153F83 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.1% C 0.124 H 259.8°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX#153F83
RGBrgb(21, 63, 131)
HSLhsl(217, 72%, 30%)
HSVhsv(217, 84%, 51%)
CMYKcmyk(84%, 51.9%, 0%, 48.6%)
CIE-LABlab(27.72, 12.65, -42.30)
CIE-LCHlch(27.72, 44.15, 286.65°)
OKLaboklab(38.1% -0.0219 -0.1218)
OKLCHoklch(38.1% 0.124 259.8)
XYZxyz(6.1820, 5.3524, 22.1756)
Luminance0.0535 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153F83 #835915
analogous
#157683 #153F83 #221583
triadic
#153F83 #83153F #3F8315
tetradic
#153F83 #831576 #835915 #158322
square
#153F83 #831576 #835915 #158322
split-complementary
#153F83 #832215 #768315
monochromatic
#040D1A #0D264E #153F83 #1D58B8 #3475DE

Accessibility & contrast

On white

10.14
#153F83 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.07
#153F83 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F83
10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153F83#FFFFFF#000000##FFFFFF
##153F831.0010.142.0710.14
#FFFFFF10.141.0021.001.00
#0000002.0721.001.0021.00
##FFFFFF10.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#144785
Deuteranopia (green-blind)
#003D82
Tritanopia (blue-blind)
#004F5A
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #153f83;
/* rgb */ color: rgb(21, 63, 131);
/* oklch */ color: oklch(38.1% 0.124 259.8);
Tailwind
colors: {
  custom: {
    50: '#6773a8',
    500: '#153f83',
    950: '#000000',
  },
}
SCSS
$custom: #153f83;
$custom-light: #6773a8;
$custom-dark: #000000;
JSON
{
  "hex": "#153f83",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 131
  },
  "hsl": {
    "h": 217.091,
    "s": 72.368,
    "l": 29.804
  },
  "oklch": {
    "l": 0.38097,
    "c": 0.12374,
    "h": 259.8
  },
  "luminance": 0.05353
}

Semantic roles & 50–950 ramp

primary
#153F83
secondary
#B8883C
accent
#A939EF
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#07080F
muted
#7A7B7F

Preview Lab

Preview with #153F83

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

Preview Lab → · Contrast checker → · Palette generator →

#153F83 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva