#153A59#153A59

#153A59 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.8% C 0.069 H 247.0°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX#153A59
RGBrgb(21, 58, 89)
HSLhsl(207, 62%, 22%)
HSVhsv(207, 76%, 35%)
CMYKcmyk(76.4%, 34.8%, 0%, 65.1%)
CIE-LABlab(23.36, -1.35, -22.41)
CIE-LCHlch(23.36, 22.45, 266.55°)
OKLaboklab(33.83% -0.0269 -0.0635)
OKLCHoklch(33.83% 0.069 247)
XYZxyz(3.6248, 3.9064, 10.0122)
Luminance0.0391 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153A59 #593415
analogous
#155956 #153A59 #151859
triadic
#153A59 #59153A #3A5915
tetradic
#153A59 #561559 #593415 #185915
square
#153A59 #561559 #593415 #185915
split-complementary
#153A59 #591518 #595615
monochromatic
#061019 #091A27 #153A59 #215A8B #2C7BBC

Accessibility & contrast

On white

11.79
#153A59 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.78
#153A59 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A59
11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153A59#FFFFFF#000000##FFFFFF
##153A591.0011.791.7811.79
#FFFFFF11.791.0021.001.00
#0000001.7821.001.0021.00
##FFFFFF11.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C3B5A
Deuteranopia (green-blind)
#223558
Tritanopia (blue-blind)
#004145
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #153a59;
/* rgb */ color: rgb(21, 58, 89);
/* oklch */ color: oklch(33.8% 0.069 247.0);
Tailwind
colors: {
  custom: {
    50: '#5c6f88',
    500: '#153a59',
    950: '#000000',
  },
}
SCSS
$custom: #153a59;
$custom-light: #5c6f88;
$custom-dark: #000000;
JSON
{
  "hex": "#153a59",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 89
  },
  "hsl": {
    "h": 207.353,
    "s": 61.818,
    "l": 21.569
  },
  "oklch": {
    "l": 0.33826,
    "c": 0.06897,
    "h": 247
  },
  "luminance": 0.03907
}

Semantic roles & 50–950 ramp

primary
#153A59
secondary
#916139
accent
#8D43E5
background
#F5F6F8
surface
#E9ECEF
border
#C5C7CA
text
#04070B
muted
#797A7C

Preview Lab

Preview with #153A59

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

Preview Lab → · Contrast checker → · Palette generator →

#153A59 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva