#1D8199#1D8199

#1D8199 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.0% C 0.093 H 218.5°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D8199
RGB	rgb(29, 129, 153)
HSL	hsl(192, 68%, 36%)
HSV	hsv(192, 81%, 60%)
CMYK	cmyk(81%, 15.7%, 0%, 40%)
CIE-LAB	lab(49.81, -18.95, -20.76)
CIE-LCH	lch(49.81, 28.11, 227.61°)
OKLab	oklab(55.97% -0.0729 -0.0581)
OKLCH	oklch(55.97% 0.093 218.5)
XYZ	xyz(14.1043, 18.2599, 32.9120)
Luminance	0.1826 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D8199 #99351D

analogous

#1D9973 #1D8199 #1D4399

triadic

#1D8199 #991D81 #81991D

tetradic

#1D8199 #731D99 #99351D #43991D

square

#1D8199 #731D99 #99351D #43991D

split-complementary

#1D8199 #991D43 #99731D

monochromatic

#092A32 #135666 #1D8199 #27ACCC #52C3DE

Accessibility & contrast

On white

4.51

#1D8199 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#1D8199 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8199

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D8199	#FFFFFF	#000000	##000000
##1D8199	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727D9A

Deuteranopia (green-blind)

#617199

Tritanopia (blue-blind)

#008989

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1d8199;
/* rgb */ color: rgb(29, 129, 153);
/* oklch */ color: oklch(56.0% 0.093 218.5);

Tailwind

colors: {
  custom: {
    50: '#6fa5b7',
    500: '#1d8199',
    950: '#000000',
  },
}

SCSS

$custom: #1d8199;
$custom-light: #6fa5b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d8199",
  "rgb": {
    "r": 29,
    "g": 129,
    "b": 153
  },
  "hsl": {
    "h": 191.613,
    "s": 68.132,
    "l": 35.686
  },
  "oklch": {
    "l": 0.55967,
    "c": 0.09321,
    "h": 218.5
  },
  "luminance": 0.18262
}

Semantic roles & 50–950 ramp

primary

#1D8199

secondary

#C16651

accent

#5F3DEB

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1D8199

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

Preview Lab → · Contrast checker → · Palette generator →