#153683#153683

#153683 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.1% C 0.135 H 263.5°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX#153683
RGBrgb(21, 54, 131)
HSLhsl(222, 72%, 30%)
HSVhsv(222, 84%, 51%)
CMYKcmyk(84%, 58.8%, 0%, 48.6%)
CIE-LABlab(25.06, 18.99, -46.60)
CIE-LCHlch(25.06, 50.32, 292.17°)
OKLaboklab(36.08% -0.0153 -0.1346)
OKLCHoklch(36.08% 0.135 263.5)
XYZxyz(5.7237, 4.4358, 22.0229)
Luminance0.0444 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153683 #836215
analogous
#156D83 #153683 #2B1583
triadic
#153683 #831536 #368315
tetradic
#153683 #83156D #836215 #15832B
square
#153683 #83156D #836215 #15832B
split-complementary
#153683 #832B15 #6D8315
monochromatic
#040B1A #0D204E #153683 #1D4CB8 #3467DE

Accessibility & contrast

On white

11.13
#153683 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.89
#153683 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153683
11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153683#FFFFFF#000000##FFFFFF
##1536831.0011.131.8911.13
#FFFFFF11.131.0021.001.00
#0000001.8921.001.0021.00
##FFFFFF11.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004186
Deuteranopia (green-blind)
#003782
Tritanopia (blue-blind)
#004957
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #153683;
/* rgb */ color: rgb(21, 54, 131);
/* oklch */ color: oklch(36.1% 0.135 263.5);
Tailwind
colors: {
  custom: {
    50: '#676ca8',
    500: '#153683',
    950: '#000000',
  },
}
SCSS
$custom: #153683;
$custom-light: #676ca8;
$custom-dark: #000000;
JSON
{
  "hex": "#153683",
  "rgb": {
    "r": 21,
    "g": 54,
    "b": 131
  },
  "hsl": {
    "h": 222,
    "s": 72.368,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36082,
    "c": 0.13549,
    "h": 263.5
  },
  "luminance": 0.04436
}

Semantic roles & 50–950 ramp

primary
#153683
secondary
#B8933C
accent
#B839EF
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#070610
muted
#7A7A7F

Preview Lab

Preview with #153683

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

Preview Lab → · Contrast checker → · Palette generator →

#153683 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva