#153D79#153D79

#153D79 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.112 H 258.7°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX#153D79
RGBrgb(21, 61, 121)
HSLhsl(216, 70%, 28%)
HSVhsv(216, 83%, 47%)
CMYKcmyk(82.6%, 49.6%, 0%, 52.5%)
CIE-LABlab(26.38, 9.87, -38.18)
CIE-LCHlch(26.38, 39.44, 284.50°)
OKLaboklab(36.84% -0.0218 -0.1097)
OKLCHoklch(36.84% 0.112 258.7)
XYZxyz(5.4279, 4.8767, 18.7407)
Luminance0.0488 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153D79 #795115
analogous
#156F79 #153D79 #1F1579
triadic
#153D79 #79153D #3D7915
tetradic
#153D79 #79156F #795115 #15791F
square
#153D79 #79156F #795115 #15791F
split-complementary
#153D79 #791F15 #6F7915
monochromatic
#050D1A #0C2345 #153D79 #1E57AD #2E73DB

Accessibility & contrast

On white

10.63
#153D79 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.98
#153D79 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D79
10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153D79#FFFFFF#000000##FFFFFF
##153D791.0010.631.9810.63
#FFFFFF10.631.0021.001.00
#0000001.9821.001.0021.00
##FFFFFF10.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1B437B
Deuteranopia (green-blind)
#003A78
Tritanopia (blue-blind)
#004B55
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #153d79;
/* rgb */ color: rgb(21, 61, 121);
/* oklch */ color: oklch(36.8% 0.112 258.7);
Tailwind
colors: {
  custom: {
    50: '#6471a0',
    500: '#153d79',
    950: '#000000',
  },
}
SCSS
$custom: #153d79;
$custom-light: #6471a0;
$custom-dark: #000000;
JSON
{
  "hex": "#153d79",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 121
  },
  "hsl": {
    "h": 216,
    "s": 70.423,
    "l": 27.843
  },
  "oklch": {
    "l": 0.3684,
    "c": 0.11187,
    "h": 258.7
  },
  "luminance": 0.04877
}

Semantic roles & 50–950 ramp

primary
#153D79
secondary
#AF803B
accent
#A63BED
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070F
muted
#7A7A7E

Preview Lab

Preview with #153D79

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

Preview Lab → · Contrast checker → · Palette generator →

#153D79 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva