#1D636B#1D636B

#1D636B is a mid, moderate teal. Relative luminance 0.102; OKLCH L 46.1% C 0.068 H 206.1°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX#1D636B
RGBrgb(29, 99, 107)
HSLhsl(186, 57%, 27%)
HSVhsv(186, 73%, 42%)
CMYKcmyk(72.9%, 7.5%, 0%, 58%)
CIE-LABlab(38.28, -18.36, -10.80)
CIE-LCHlch(38.28, 21.30, 210.48°)
OKLaboklab(46.09% -0.0613 -0.03)
OKLCHoklch(46.09% 0.068 206.1)
XYZxyz(7.6212, 10.2456, 15.4830)
Luminance0.1025 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D636B #6B251D
analogous
#1D6B4C #1D636B #1D3C6B
triadic
#1D636B #6B1D63 #636B1D
tetradic
#1D636B #4C1D6B #6B251D #3C6B1D
square
#1D636B #4C1D6B #6B251D #3C6B1D
split-complementary
#1D636B #6B1D3C #6B4C1D
monochromatic
#071618 #10363B #1D636B #2A909B #39BBC9

Accessibility & contrast

On white

6.89
#1D636B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.05
#1D636B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D636B
6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D636B#FFFFFF#000000##FFFFFF
##1D636B1.006.893.056.89
#FFFFFF6.891.0021.001.00
#0000003.0521.001.0021.00
##FFFFFF6.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A5F6C
Deuteranopia (green-blind)
#4F576B
Tritanopia (blue-blind)
#006765
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #1d636b;
/* rgb */ color: rgb(29, 99, 107);
/* oklch */ color: oklch(46.1% 0.068 206.1);
Tailwind
colors: {
  custom: {
    50: '#668f95',
    500: '#1d636b',
    950: '#000000',
  },
}
SCSS
$custom: #1d636b;
$custom-light: #668f95;
$custom-dark: #000000;
JSON
{
  "hex": "#1d636b",
  "rgb": {
    "r": 29,
    "g": 99,
    "b": 107
  },
  "hsl": {
    "h": 186.154,
    "s": 57.353,
    "l": 26.667
  },
  "oklch": {
    "l": 0.46086,
    "c": 0.06828,
    "h": 206.1
  },
  "luminance": 0.10246
}

Semantic roles & 50–950 ramp

primary
#1D636B
secondary
#A04E44
accent
#5747E1
background
#F6F8F9
surface
#EBF0F1
border
#C6CBCB
text
#060C0D
muted
#7A7D7E

Preview Lab

Preview with #1D636B

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

Preview Lab → · Contrast checker → · Palette generator →

#1D636B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva