#153D5A#153D5A

#153D5A is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.067 H 243.6°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX#153D5A
RGBrgb(21, 61, 90)
HSLhsl(205, 62%, 22%)
HSVhsv(205, 77%, 35%)
CMYKcmyk(76.7%, 32.2%, 0%, 64.7%)
CIE-LABlab(24.43, -2.97, -21.38)
CIE-LCHlch(24.43, 21.58, 262.10°)
OKLaboklab(34.69% -0.03 -0.0605)
OKLCHoklch(34.69% 0.067 243.6)
XYZxyz(3.8228, 4.2347, 10.2868)
Luminance0.0423 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153D5A #5A3215
analogous
#155A55 #153D5A #151B5A
triadic
#153D5A #5A153D #3D5A15
tetradic
#153D5A #55155A #5A3215 #1B5A15
square
#153D5A #55155A #5A3215 #1B5A15
split-complementary
#153D5A #5A151B #5A5515
monochromatic
#061119 #091B28 #153D5A #215F8C #2C80BD

Accessibility & contrast

On white

11.37
#153D5A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.85
#153D5A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D5A
11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153D5A#FFFFFF#000000##FFFFFF
##153D5A1.0011.371.8511.37
#FFFFFF11.371.0021.001.00
#0000001.8521.001.0021.00
##FFFFFF11.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#303E5B
Deuteranopia (green-blind)
#263759
Tritanopia (blue-blind)
#004447
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #153d5a;
/* rgb */ color: rgb(21, 61, 90);
/* oklch */ color: oklch(34.7% 0.067 243.6);
Tailwind
colors: {
  custom: {
    50: '#5d7289',
    500: '#153d5a',
    950: '#000000',
  },
}
SCSS
$custom: #153d5a;
$custom-light: #5d7289;
$custom-dark: #000000;
JSON
{
  "hex": "#153d5a",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 90
  },
  "hsl": {
    "h": 205.217,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.3469,
    "c": 0.06748,
    "h": 243.6
  },
  "luminance": 0.04235
}

Semantic roles & 50–950 ramp

primary
#153D5A
secondary
#925E39
accent
#8743E5
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#05070B
muted
#797A7C

Preview Lab

Preview with #153D5A

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

Preview Lab → · Contrast checker → · Palette generator →

#153D5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva