#1B809A#1B809A

#1B809A is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 55.7% C 0.095 H 220.2°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#1B809A
RGB	rgb(27, 128, 154)
HSL	hsl(192, 70%, 35%)
HSV	hsv(192, 82%, 60%)
CMYK	cmyk(82.5%, 16.9%, 0%, 39.6%)
CIE-LAB	lab(49.50, -18.26, -21.82)
CIE-LCH	lch(49.50, 28.45, 230.08°)
OKLab	oklab(55.72% -0.0722 -0.0611)
OKLCH	oklch(55.72% 0.095 220.2)
XYZ	xyz(14.0014, 18.0027, 33.3025)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B809A #9A351B

analogous

#1B9A74 #1B809A #1B419A

triadic

#1B809A #9A1B80 #809A1B

tetradic

#1B809A #741B9A #9A351B #419A1B

square

#1B809A #741B9A #9A351B #419A1B

split-complementary

#1B809A #9A1B41 #9A741B

monochromatic

#092932 #125566 #1B809A #24ABCE #4FC3E0

Accessibility & contrast

On white

4.56

#1B809A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#1B809A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B809A

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B809A	#FFFFFF	#000000	##000000
##1B809A	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707C9B

Deuteranopia (green-blind)

#60709A

Tritanopia (blue-blind)

#008888

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1b809a;
/* rgb */ color: rgb(27, 128, 154);
/* oklch */ color: oklch(55.7% 0.095 220.2);

Tailwind

colors: {
  custom: {
    50: '#6fa5b7',
    500: '#1b809a',
    950: '#000000',
  },
}

SCSS

$custom: #1b809a;
$custom-light: #6fa5b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b809a",
  "rgb": {
    "r": 27,
    "g": 128,
    "b": 154
  },
  "hsl": {
    "h": 192.283,
    "s": 70.166,
    "l": 35.49
  },
  "oklch": {
    "l": 0.55721,
    "c": 0.09459,
    "h": 220.2
  },
  "luminance": 0.18004
}

Semantic roles & 50–950 ramp

primary

#1B809A

secondary

#C3664E

accent

#5F3BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B809A

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

Preview Lab → · Contrast checker → · Palette generator →