#153C5F#153C5F

#153C5F is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.075 H 248.8°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX#153C5F
RGBrgb(21, 60, 95)
HSLhsl(208, 64%, 23%)
HSVhsv(208, 78%, 37%)
CMYKcmyk(77.9%, 36.8%, 0%, 62.7%)
CIE-LABlab(24.38, -0.26, -24.73)
CIE-LCHlch(24.38, 24.73, 269.39°)
OKLaboklab(34.74% -0.0272 -0.0702)
OKLCHoklch(34.74% 0.075 248.8)
XYZxyz(3.9899, 4.2169, 11.4279)
Luminance0.0422 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153C5F #5F3815
analogous
#155F5D #153C5F #15175F
triadic
#153C5F #5F153C #3C5F15
tetradic
#153C5F #5D155F #5F3815 #175F15
square
#153C5F #5D155F #5F3815 #175F15
split-complementary
#153C5F #5F1517 #5F5D15
monochromatic
#061019 #0A1C2D #153C5F #205C91 #2B7BC3

Accessibility & contrast

On white

11.39
#153C5F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.84
#153C5F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C5F
11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153C5F#FFFFFF#000000##FFFFFF
##153C5F1.0011.391.8411.39
#FFFFFF11.391.0021.001.00
#0000001.8421.001.0021.00
##FFFFFF11.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C3E60
Deuteranopia (green-blind)
#21375E
Tritanopia (blue-blind)
#004449
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #153c5f;
/* rgb */ color: rgb(21, 60, 95);
/* oklch */ color: oklch(34.7% 0.075 248.8);
Tailwind
colors: {
  custom: {
    50: '#5e718c',
    500: '#153c5f',
    950: '#000000',
  },
}
SCSS
$custom: #153c5f;
$custom-light: #5e718c;
$custom-dark: #000000;
JSON
{
  "hex": "#153c5f",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 95
  },
  "hsl": {
    "h": 208.378,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.34738,
    "c": 0.07531,
    "h": 248.8
  },
  "luminance": 0.04217
}

Semantic roles & 50–950 ramp

primary
#153C5F
secondary
#96653A
accent
#8F41E7
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#05070C
muted
#797A7D

Preview Lab

Preview with #153C5F

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

Preview Lab → · Contrast checker → · Palette generator →

#153C5F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva