#1D8198#1D8198

#1D8198 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 55.9% C 0.093 H 217.7°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D8198
RGB	rgb(29, 129, 152)
HSL	hsl(191, 68%, 35%)
HSV	hsv(191, 81%, 60%)
CMYK	cmyk(80.9%, 15.1%, 0%, 40.4%)
CIE-LAB	lab(49.77, -19.30, -20.23)
CIE-LCH	lch(49.77, 27.96, 226.36°)
OKLab	oklab(55.92% -0.0733 -0.0566)
OKLCH	oklch(55.92% 0.093 217.7)
XYZ	xyz(14.0220, 18.2270, 32.4788)
Luminance	0.1823 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D8198 #98341D

analogous

#1D9872 #1D8198 #1D4398

triadic

#1D8198 #981D81 #81981D

tetradic

#1D8198 #721D98 #98341D #43981D

square

#1D8198 #721D98 #98341D #43981D

split-complementary

#1D8198 #981D43 #98721D

monochromatic

#092A31 #135565 #1D8198 #27ADCB #52C4DE

Accessibility & contrast

On white

4.52

#1D8198 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#1D8198 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8198

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D8198	#FFFFFF	#000000	##000000
##1D8198	1.00	4.52	4.65	4.65
#FFFFFF	4.52	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)

#727D99

Deuteranopia (green-blind)

#627198

Tritanopia (blue-blind)

#008988

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1d8198;
/* rgb */ color: rgb(29, 129, 152);
/* oklch */ color: oklch(55.9% 0.093 217.7);

Tailwind

colors: {
  custom: {
    50: '#6fa5b6',
    500: '#1d8198',
    950: '#000000',
  },
}

SCSS

$custom: #1d8198;
$custom-light: #6fa5b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d8198",
  "rgb": {
    "r": 29,
    "g": 129,
    "b": 152
  },
  "hsl": {
    "h": 191.22,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.55923,
    "c": 0.09261,
    "h": 217.7
  },
  "luminance": 0.18229
}

Semantic roles & 50–950 ramp

primary

#1D8198

secondary

#C16550

accent

#5D3DEB

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1D8198

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

Preview Lab → · Contrast checker → · Palette generator →