#1B819A#1B819A

#1B819A is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.0% C 0.094 H 219.2°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#1B819A
RGB	rgb(27, 129, 154)
HSL	hsl(192, 70%, 35%)
HSV	hsv(192, 82%, 60%)
CMYK	cmyk(82.5%, 16.2%, 0%, 39.6%)
CIE-LAB	lab(49.82, -18.80, -21.34)
CIE-LCH	lch(49.82, 28.44, 228.62°)
OKLab	oklab(55.98% -0.0732 -0.0597)
OKLCH	oklch(55.98% 0.094 219.2)
XYZ	xyz(14.1325, 18.2648, 33.3462)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B819A #9A341B

analogous

#1B9A73 #1B819A #1B419A

triadic

#1B819A #9A1B81 #819A1B

tetradic

#1B819A #731B9A #9A341B #419A1B

square

#1B819A #731B9A #9A341B #419A1B

split-complementary

#1B819A #9A1B41 #9A731B

monochromatic

#092A32 #125566 #1B819A #24ADCE #4FC4E0

Accessibility & contrast

On white

4.51

#1B819A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#1B819A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B819A

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B819A	#FFFFFF	#000000	##000000
##1B819A	1.00	4.51	4.65	4.65
#FFFFFF	4.51	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)

#717D9B

Deuteranopia (green-blind)

#61719A

Tritanopia (blue-blind)

#008989

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1b819a;
/* rgb */ color: rgb(27, 129, 154);
/* oklch */ color: oklch(56.0% 0.094 219.2);

Tailwind

colors: {
  custom: {
    50: '#6fa5b7',
    500: '#1b819a',
    950: '#000000',
  },
}

SCSS

$custom: #1b819a;
$custom-light: #6fa5b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b819a",
  "rgb": {
    "r": 27,
    "g": 129,
    "b": 154
  },
  "hsl": {
    "h": 191.811,
    "s": 70.166,
    "l": 35.49
  },
  "oklch": {
    "l": 0.55976,
    "c": 0.09446,
    "h": 219.2
  },
  "luminance": 0.18267
}

Semantic roles & 50–950 ramp

primary

#1B819A

secondary

#C3654E

accent

#5E3BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B819A

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

Preview Lab → · Contrast checker → · Palette generator →