#1B809E#1B809E

#1B809E is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 55.9% C 0.097 H 223.5°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#1B809E
RGB	rgb(27, 128, 158)
HSL	hsl(194, 71%, 36%)
HSV	hsv(194, 83%, 62%)
CMYK	cmyk(82.9%, 19%, 0%, 38%)
CIE-LAB	lab(49.66, -16.85, -23.90)
CIE-LCH	lch(49.66, 29.25, 234.82°)
OKLab	oklab(55.91% -0.0706 -0.0671)
OKLCH	oklch(55.91% 0.097 223.5)
XYZ	xyz(14.3401, 18.1382, 35.0863)
Luminance	0.1814 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B809E #9E391B

analogous

#1B9E7B #1B809E #1B3F9E

triadic

#1B809E #9E1B80 #809E1B

tetradic

#1B809E #7B1B9E #9E391B #3F9E1B

square

#1B809E #7B1B9E #9E391B #3F9E1B

split-complementary

#1B809E #9E1B3F #9E7B1B

monochromatic

#092B35 #12566A #1B809E #24AAD2 #52C1E1

Accessibility & contrast

On white

4.54

#1B809E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#1B809E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B809E

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B809E	#FFFFFF	#000000	##000000
##1B809E	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7DA0

Deuteranopia (green-blind)

#5E719E

Tritanopia (blue-blind)

#00898A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1b809e;
/* rgb */ color: rgb(27, 128, 158);
/* oklch */ color: oklch(55.9% 0.097 223.5);

Tailwind

colors: {
  custom: {
    50: '#70a5ba',
    500: '#1b809e',
    950: '#000000',
  },
}

SCSS

$custom: #1b809e;
$custom-light: #70a5ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1b809e",
  "rgb": {
    "r": 27,
    "g": 128,
    "b": 158
  },
  "hsl": {
    "h": 193.74,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.55907,
    "c": 0.09738,
    "h": 223.5
  },
  "luminance": 0.1814
}

Semantic roles & 50–950 ramp

primary

#1B809E

secondary

#C46B51

accent

#633AEE

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B809E

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

Preview Lab → · Contrast checker → · Palette generator →