#1D819F#1D819F

#1D819F is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.2% C 0.097 H 223.5°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#1D819F
RGB	rgb(29, 129, 159)
HSL	hsl(194, 69%, 37%)
HSV	hsv(194, 82%, 62%)
CMYK	cmyk(81.8%, 18.9%, 0%, 37.6%)
CIE-LAB	lab(50.05, -16.86, -23.88)
CIE-LCH	lch(50.05, 29.23, 234.78°)
OKLab	oklab(56.24% -0.0705 -0.067)
OKLCH	oklch(56.24% 0.097 223.5)
XYZ	xyz(14.6123, 18.4631, 35.5878)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D819F #9F3B1D

analogous

#1D9F7C #1D819F #1D409F

triadic

#1D819F #9F1D81 #819F1D

tetradic

#1D819F #7C1D9F #9F3B1D #409F1D

square

#1D819F #7C1D9F #9F3B1D #409F1D

split-complementary

#1D819F #9F1D40 #9F7C1D

monochromatic

#0A2D37 #14576B #1D819F #26ABD3 #56C0E0

Accessibility & contrast

On white

4.47

#1D819F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#1D819F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D819F

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D819F	#FFFFFF	#000000	##000000
##1D819F	1.00	4.47	4.69	4.69
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707EA1

Deuteranopia (green-blind)

#5F729F

Tritanopia (blue-blind)

#008A8B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #1d819f;
/* rgb */ color: rgb(29, 129, 159);
/* oklch */ color: oklch(56.2% 0.097 223.5);

Tailwind

colors: {
  custom: {
    50: '#70a5bb',
    500: '#1d819f',
    950: '#000000',
  },
}

SCSS

$custom: #1d819f;
$custom-light: #70a5bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1d819f",
  "rgb": {
    "r": 29,
    "g": 129,
    "b": 159
  },
  "hsl": {
    "h": 193.846,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.56243,
    "c": 0.09724,
    "h": 223.5
  },
  "luminance": 0.18465
}

Semantic roles & 50–950 ramp

primary

#1D819F

secondary

#C46E54

accent

#643CEC

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1D819F

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

Preview Lab → · Contrast checker → · Palette generator →