#1D5B68#1D5B68

#1D5B68 is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 43.8% C 0.065 H 214.4°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX#1D5B68
RGBrgb(29, 91, 104)
HSLhsl(190, 56%, 26%)
HSVhsv(190, 72%, 41%)
CMYKcmyk(72.1%, 12.5%, 0%, 59.2%)
CIE-LABlab(35.48, -14.90, -13.20)
CIE-LCHlch(35.48, 19.90, 221.53°)
OKLaboklab(43.79% -0.0536 -0.0367)
OKLCHoklch(43.79% 0.065 214.4)
XYZxyz(6.7454, 8.7421, 14.4259)
Luminance0.0874 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D5B68 #682A1D
analogous
#1D684F #1D5B68 #1D3568
triadic
#1D5B68 #681D5B #5B681D
tetradic
#1D5B68 #4F1D68 #682A1D #35681D
square
#1D5B68 #4F1D68 #682A1D #35681D
split-complementary
#1D5B68 #681D35 #684F1D
monochromatic
#071518 #103138 #1D5B68 #2A8598 #38AFC7

Accessibility & contrast

On white

7.64
#1D5B68 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.75
#1D5B68 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5B68
7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D5B68#FFFFFF#000000##FFFFFF
##1D5B681.007.642.757.64
#FFFFFF7.641.0021.001.00
#0000002.7521.001.0021.00
##FFFFFF7.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#525869
Deuteranopia (green-blind)
#475068
Tritanopia (blue-blind)
#00605F
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #1d5b68;
/* rgb */ color: rgb(29, 91, 104);
/* oklch */ color: oklch(43.8% 0.065 214.4);
Tailwind
colors: {
  custom: {
    50: '#648993',
    500: '#1d5b68',
    950: '#000000',
  },
}
SCSS
$custom: #1d5b68;
$custom-light: #648993;
$custom-dark: #000000;
JSON
{
  "hex": "#1d5b68",
  "rgb": {
    "r": 29,
    "g": 91,
    "b": 104
  },
  "hsl": {
    "h": 190.4,
    "s": 56.391,
    "l": 26.078
  },
  "oklch": {
    "l": 0.43794,
    "c": 0.065,
    "h": 214.4
  },
  "luminance": 0.08743
}

Semantic roles & 50–950 ramp

primary
#1D5B68
secondary
#9D5344
accent
#6248E0
background
#F6F8F9
surface
#EBF0F1
border
#C6CBCB
text
#060B0D
muted
#7A7C7E

Preview Lab

Preview with #1D5B68

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

Preview Lab → · Contrast checker → · Palette generator →

#1D5B68 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva