#153F53#153F53

#153F53 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.058 H 232.6°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX#153F53
RGBrgb(21, 63, 83)
HSLhsl(199, 60%, 20%)
HSVhsv(199, 75%, 33%)
CMYKcmyk(74.7%, 24.1%, 0%, 67.5%)
CIE-LABlab(24.76, -7.04, -16.28)
CIE-LCHlch(24.76, 17.74, 246.61°)
OKLaboklab(34.83% -0.035 -0.0457)
OKLCHoklch(34.83% 0.058 232.6)
XYZxyz(3.6475, 4.3386, 8.8271)
Luminance0.0434 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153F53 #532915
analogous
#155348 #153F53 #152053
triadic
#153F53 #53153F #3F5315
tetradic
#153F53 #481553 #532915 #205315
square
#153F53 #481553 #532915 #205315
split-complementary
#153F53 #531520 #534815
monochromatic
#061318 #091A22 #153F53 #216484 #2E89B5

Accessibility & contrast

On white

11.24
#153F53 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.87
#153F53 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F53
11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153F53#FFFFFF#000000##FFFFFF
##153F531.0011.241.8711.24
#FFFFFF11.241.0021.001.00
#0000001.8721.001.0021.00
##FFFFFF11.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#353E54
Deuteranopia (green-blind)
#2D3853
Tritanopia (blue-blind)
#004446
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #153f53;
/* rgb */ color: rgb(21, 63, 83);
/* oklch */ color: oklch(34.8% 0.058 232.6);
Tailwind
colors: {
  custom: {
    50: '#5b7483',
    500: '#153f53',
    950: '#000000',
  },
}
SCSS
$custom: #153f53;
$custom-light: #5b7483;
$custom-dark: #000000;
JSON
{
  "hex": "#153f53",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 83
  },
  "hsl": {
    "h": 199.355,
    "s": 59.615,
    "l": 20.392
  },
  "oklch": {
    "l": 0.34832,
    "c": 0.05755,
    "h": 232.6
  },
  "luminance": 0.04339
}

Semantic roles & 50–950 ramp

primary
#153F53
secondary
#8B5339
accent
#7845E3
background
#F5F7F8
surface
#E9EDEF
border
#C5C8CA
text
#04080A
muted
#797B7C

Preview Lab

Preview with #153F53

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

Preview Lab → · Contrast checker → · Palette generator →

#153F53 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva