#153B58#153B58

#153B58 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.067 H 244.8°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX#153B58
RGBrgb(21, 59, 88)
HSLhsl(206, 61%, 21%)
HSVhsv(206, 76%, 35%)
CMYKcmyk(76.1%, 33%, 0%, 65.5%)
CIE-LABlab(23.64, -2.43, -21.31)
CIE-LCHlch(23.64, 21.45, 263.48°)
OKLaboklab(34.03% -0.0284 -0.0603)
OKLCHoklch(34.03% 0.067 244.8)
XYZxyz(3.6340, 3.9915, 9.8096)
Luminance0.0399 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153B58 #583215
analogous
#155854 #153B58 #151A58
triadic
#153B58 #58153B #3B5815
tetradic
#153B58 #541558 #583215 #1A5815
square
#153B58 #541558 #583215 #1A5815
split-complementary
#153B58 #58151A #585415
monochromatic
#061119 #091A27 #153B58 #215C89 #2D7DBB

Accessibility & contrast

On white

11.68
#153B58 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.80
#153B58 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B58
11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153B58#FFFFFF#000000##FFFFFF
##153B581.0011.681.8011.68
#FFFFFF11.681.0021.001.00
#0000001.8021.001.0021.00
##FFFFFF11.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E3C59
Deuteranopia (green-blind)
#253557
Tritanopia (blue-blind)
#004245
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #153b58;
/* rgb */ color: rgb(21, 59, 88);
/* oklch */ color: oklch(34.0% 0.067 244.8);
Tailwind
colors: {
  custom: {
    50: '#5c7087',
    500: '#153b58',
    950: '#000000',
  },
}
SCSS
$custom: #153b58;
$custom-light: #5c7087;
$custom-dark: #000000;
JSON
{
  "hex": "#153b58",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 88
  },
  "hsl": {
    "h": 205.97,
    "s": 61.468,
    "l": 21.373
  },
  "oklch": {
    "l": 0.34031,
    "c": 0.06664,
    "h": 244.8
  },
  "luminance": 0.03992
}

Semantic roles & 50–950 ramp

primary
#153B58
secondary
#905F39
accent
#8943E5
background
#F5F6F8
surface
#E9ECEF
border
#C5C7CA
text
#04070B
muted
#797A7C

Preview Lab

Preview with #153B58

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

Preview Lab → · Contrast checker → · Palette generator →

#153B58 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva