#1D8398#1D8398

#1D8398 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.4% C 0.093 H 215.5°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#1D8398
RGB	rgb(29, 131, 152)
HSL	hsl(190, 68%, 35%)
HSV	hsv(190, 81%, 60%)
CMYK	cmyk(80.9%, 13.8%, 0%, 40.4%)
CIE-LAB	lab(50.40, -20.37, -19.26)
CIE-LCH	lch(50.40, 28.03, 223.41°)
OKLab	oklab(56.43% -0.0753 -0.0538)
OKLCH	oklch(56.43% 0.093 215.5)
XYZ	xyz(14.2881, 18.7590, 32.5675)
Luminance	0.1876 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D8398 #98321D

analogous

#1D986F #1D8398 #1D4598

triadic

#1D8398 #981D83 #83981D

tetradic

#1D8398 #6F1D98 #98321D #45981D

square

#1D8398 #6F1D98 #98321D #45981D

split-complementary

#1D8398 #981D45 #986F1D

monochromatic

#092A31 #135765 #1D8398 #27AFCB #52C6DE

Accessibility & contrast

On white

4.42

#1D8398 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#1D8398 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8398

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D8398	#FFFFFF	#000000	##000000
##1D8398	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#757F99

Deuteranopia (green-blind)

#647398

Tritanopia (blue-blind)

#008B8A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1d8398;
/* rgb */ color: rgb(29, 131, 152);
/* oklch */ color: oklch(56.4% 0.093 215.5);

Tailwind

colors: {
  custom: {
    50: '#70a7b6',
    500: '#1d8398',
    950: '#000000',
  },
}

SCSS

$custom: #1d8398;
$custom-light: #70a7b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d8398",
  "rgb": {
    "r": 29,
    "g": 131,
    "b": 152
  },
  "hsl": {
    "h": 190.244,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.56433,
    "c": 0.09257,
    "h": 215.5
  },
  "luminance": 0.18761
}

Semantic roles & 50–950 ramp

primary

#1D8398

secondary

#C16350

accent

#5B3DEB

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1D8398

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

Preview Lab → · Contrast checker → · Palette generator →