#153A57#153A57

#153A57 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.066 H 245.4°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX#153A57
RGBrgb(21, 58, 87)
HSLhsl(206, 61%, 21%)
HSVhsv(206, 76%, 34%)
CMYKcmyk(75.9%, 33.3%, 0%, 65.9%)
CIE-LABlab(23.25, -2.16, -21.27)
CIE-LCHlch(23.25, 21.38, 264.19°)
OKLaboklab(33.7% -0.0276 -0.0602)
OKLCHoklch(33.7% 0.066 245.4)
XYZxyz(3.5420, 3.8733, 9.5759)
Luminance0.0387 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153A57 #573215
analogous
#155753 #153A57 #151957
triadic
#153A57 #57153A #3A5715
tetradic
#153A57 #531557 #573215 #195715
square
#153A57 #531557 #573215 #195715
split-complementary
#153A57 #571519 #575315
monochromatic
#061019 #091926 #153A57 #215B88 #2D7CBA

Accessibility & contrast

On white

11.83
#153A57 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.77
#153A57 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A57
11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153A57#FFFFFF#000000##FFFFFF
##153A571.0011.831.7711.83
#FFFFFF11.831.0021.001.00
#0000001.7721.001.0021.00
##FFFFFF11.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D3B58
Deuteranopia (green-blind)
#243556
Tritanopia (blue-blind)
#004144
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #153a57;
/* rgb */ color: rgb(21, 58, 87);
/* oklch */ color: oklch(33.7% 0.066 245.4);
Tailwind
colors: {
  custom: {
    50: '#5c6f86',
    500: '#153a57',
    950: '#000000',
  },
}
SCSS
$custom: #153a57;
$custom-light: #5c6f86;
$custom-dark: #000000;
JSON
{
  "hex": "#153a57",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 87
  },
  "hsl": {
    "h": 206.364,
    "s": 61.111,
    "l": 21.176
  },
  "oklch": {
    "l": 0.33701,
    "c": 0.06622,
    "h": 245.4
  },
  "luminance": 0.03874
}

Semantic roles & 50–950 ramp

primary
#153A57
secondary
#8F5F39
accent
#8A44E4
background
#F5F6F8
surface
#E9ECEF
border
#C5C7CA
text
#04070B
muted
#797A7C

Preview Lab

Preview with #153A57

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

Preview Lab → · Contrast checker → · Palette generator →

#153A57 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva