#1D8399#1D8399

#1D8399 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.5% C 0.093 H 216.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#1D8399
RGB	rgb(29, 131, 153)
HSL	hsl(191, 68%, 36%)
HSV	hsv(191, 81%, 60%)
CMYK	cmyk(81%, 14.4%, 0%, 40%)
CIE-LAB	lab(50.44, -20.03, -19.79)
CIE-LCH	lch(50.44, 28.15, 224.66°)
OKLab	oklab(56.48% -0.0749 -0.0553)
OKLCH	oklch(56.48% 0.093 216.4)
XYZ	xyz(14.3703, 18.7919, 33.0006)
Luminance	0.1879 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D8399 #99331D

analogous

#1D9971 #1D8399 #1D4599

triadic

#1D8399 #991D83 #83991D

tetradic

#1D8399 #711D99 #99331D #45991D

square

#1D8399 #711D99 #99331D #45991D

split-complementary

#1D8399 #991D45 #99711D

monochromatic

#092B32 #135766 #1D8399 #27AFCC #52C5DE

Accessibility & contrast

On white

4.41

#1D8399 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#1D8399 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8399

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D8399	#FFFFFF	#000000	##000000
##1D8399	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747F9A

Deuteranopia (green-blind)

#647399

Tritanopia (blue-blind)

#008B8A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1d8399;
/* rgb */ color: rgb(29, 131, 153);
/* oklch */ color: oklch(56.5% 0.093 216.4);

Tailwind

colors: {
  custom: {
    50: '#70a7b7',
    500: '#1d8399',
    950: '#000000',
  },
}

SCSS

$custom: #1d8399;
$custom-light: #70a7b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d8399",
  "rgb": {
    "r": 29,
    "g": 131,
    "b": 153
  },
  "hsl": {
    "h": 190.645,
    "s": 68.132,
    "l": 35.686
  },
  "oklch": {
    "l": 0.56477,
    "c": 0.0931,
    "h": 216.4
  },
  "luminance": 0.18794
}

Semantic roles & 50–950 ramp

primary

#1D8399

secondary

#C16551

accent

#5C3DEB

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1D8399

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

Preview Lab → · Contrast checker → · Palette generator →