#1D819E#1D819E

#1D819E is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.2% C 0.097 H 222.7°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#1D819E
RGB	rgb(29, 129, 158)
HSL	hsl(193, 69%, 37%)
HSV	hsv(193, 82%, 62%)
CMYK	cmyk(81.6%, 18.4%, 0%, 38%)
CIE-LAB	lab(50.01, -17.21, -23.36)
CIE-LCH	lch(50.01, 29.02, 233.62°)
OKLab	oklab(56.2% -0.0709 -0.0655)
OKLCH	oklch(56.2% 0.097 222.7)
XYZ	xyz(14.5259, 18.4285, 35.1326)
Luminance	0.1843 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D819E #9E3A1D

analogous

#1D9E7B #1D819E #1D419E

triadic

#1D819E #9E1D81 #819E1D

tetradic

#1D819E #7B1D9E #9E3A1D #419E1D

square

#1D819E #7B1D9E #9E3A1D #419E1D

split-complementary

#1D819E #9E1D41 #9E7B1D

monochromatic

#0A2D37 #14576A #1D819E #26ABD2 #56C1E0

Accessibility & contrast

On white

4.48

#1D819E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#1D819E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D819E

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D819E	#FFFFFF	#000000	##000000
##1D819E	1.00	4.48	4.69	4.69
#FFFFFF	4.48	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)

#707E9F

Deuteranopia (green-blind)

#5F729E

Tritanopia (blue-blind)

#008A8A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #1d819e;
/* rgb */ color: rgb(29, 129, 158);
/* oklch */ color: oklch(56.2% 0.097 222.7);

Tailwind

colors: {
  custom: {
    50: '#70a5ba',
    500: '#1d819e',
    950: '#000000',
  },
}

SCSS

$custom: #1d819e;
$custom-light: #70a5ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d819e",
  "rgb": {
    "r": 29,
    "g": 129,
    "b": 158
  },
  "hsl": {
    "h": 193.488,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.56197,
    "c": 0.09652,
    "h": 222.7
  },
  "luminance": 0.1843
}

Semantic roles & 50–950 ramp

primary

#1D819E

secondary

#C36D54

accent

#643CEC

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1D819E

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

Preview Lab → · Contrast checker → · Palette generator →