#135B81#135B81

#135B81 is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 44.8% C 0.091 H 237.9°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX#135B81
RGBrgb(19, 91, 129)
HSLhsl(201, 74%, 29%)
HSVhsv(201, 85%, 51%)
CMYKcmyk(85.3%, 29.5%, 0%, 49.4%)
CIE-LABlab(36.38, -6.90, -27.27)
CIE-LCHlch(36.38, 28.13, 255.80°)
OKLaboklab(44.81% -0.0483 -0.0772)
OKLCHoklch(44.81% 0.091 237.9)
XYZxyz(7.9705, 9.2046, 22.1212)
Luminance0.0921 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#135B81 #813913
analogous
#138170 #135B81 #132481
triadic
#135B81 #81135B #5B8113
tetradic
#135B81 #701381 #813913 #248113
square
#135B81 #701381 #813913 #248113
split-complementary
#135B81 #811324 #817013
monochromatic
#04131B #0B354C #135B81 #1B81B6 #2EA3E0

Accessibility & contrast

On white

7.39
#135B81 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.84
#135B81 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #135B81
7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##135B81#FFFFFF#000000##FFFFFF
##135B811.007.392.847.39
#FFFFFF7.391.0021.001.00
#0000002.8421.001.0021.00
##FFFFFF7.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#495B83
Deuteranopia (green-blind)
#3A5180
Tritanopia (blue-blind)
#006568
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #135b81;
/* rgb */ color: rgb(19, 91, 129);
/* oklch */ color: oklch(44.8% 0.091 237.9);
Tailwind
colors: {
  custom: {
    50: '#6689a5',
    500: '#135b81',
    950: '#000000',
  },
}
SCSS
$custom: #135b81;
$custom-light: #6689a5;
$custom-dark: #000000;
JSON
{
  "hex": "#135b81",
  "rgb": {
    "r": 19,
    "g": 91,
    "b": 129
  },
  "hsl": {
    "h": 200.727,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.44812,
    "c": 0.09109,
    "h": 237.9
  },
  "luminance": 0.09206
}

Semantic roles & 50–950 ramp

primary
#135B81
secondary
#B6653A
accent
#7737F1
background
#F6F8FA
surface
#EBF0F4
border
#C6CBCE
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #135B81

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

Preview Lab → · Contrast checker → · Palette generator →

#135B81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva