#1D819D#1D819D

#1D819D is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.1% C 0.096 H 221.9°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#1D819D
RGB	rgb(29, 129, 157)
HSL	hsl(193, 69%, 36%)
HSV	hsv(193, 82%, 62%)
CMYK	cmyk(81.5%, 17.8%, 0%, 38.4%)
CIE-LAB	lab(49.97, -17.56, -22.84)
CIE-LCH	lch(49.97, 28.81, 232.45°)
OKLab	oklab(56.15% -0.0713 -0.064)
OKLCH	oklch(56.15% 0.096 221.9)
XYZ	xyz(14.4402, 18.3942, 34.6811)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D819D #9D391D

analogous

#1D9D79 #1D819D #1D419D

triadic

#1D819D #9D1D81 #819D1D

tetradic

#1D819D #791D9D #9D391D #419D1D

square

#1D819D #791D9D #9D391D #419D1D

split-complementary

#1D819D #9D1D41 #9D791D

monochromatic

#0A2C36 #135769 #1D819D #27ABD1 #55C1E0

Accessibility & contrast

On white

4.49

#1D819D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#1D819D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D819D

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D819D	#FFFFFF	#000000	##000000
##1D819D	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717E9E

Deuteranopia (green-blind)

#60729D

Tritanopia (blue-blind)

#008A8A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #1d819d;
/* rgb */ color: rgb(29, 129, 157);
/* oklch */ color: oklch(56.1% 0.096 221.9);

Tailwind

colors: {
  custom: {
    50: '#70a5ba',
    500: '#1d819d',
    950: '#000000',
  },
}

SCSS

$custom: #1d819d;
$custom-light: #70a5ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d819d",
  "rgb": {
    "r": 29,
    "g": 129,
    "b": 157
  },
  "hsl": {
    "h": 193.125,
    "s": 68.817,
    "l": 36.471
  },
  "oklch": {
    "l": 0.5615,
    "c": 0.09581,
    "h": 221.9
  },
  "luminance": 0.18396
}

Semantic roles & 50–950 ramp

primary

#1D819D

secondary

#C36B53

accent

#633CEC

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1D819D

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

Preview Lab → · Contrast checker → · Palette generator →