#1B8199#1B8199

#1B8199 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 55.9% C 0.094 H 218.4°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#1B8199
RGB	rgb(27, 129, 153)
HSL	hsl(191, 70%, 35%)
HSV	hsv(191, 82%, 60%)
CMYK	cmyk(82.4%, 15.7%, 0%, 40%)
CIE-LAB	lab(49.78, -19.15, -20.81)
CIE-LCH	lch(49.78, 28.28, 227.39°)
OKLab	oklab(55.93% -0.0736 -0.0582)
OKLCH	oklch(55.93% 0.094 218.4)
XYZ	xyz(14.0496, 18.2317, 32.9094)
Luminance	0.1823 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8199 #99331B

analogous

#1B9972 #1B8199 #1B4299

triadic

#1B8199 #991B81 #81991B

tetradic

#1B8199 #721B99 #99331B #42991B

square

#1B8199 #721B99 #99331B #42991B

split-complementary

#1B8199 #991B42 #99721B

monochromatic

#092931 #125565 #1B8199 #24ADCD #4FC4E0

Accessibility & contrast

On white

4.52

#1B8199 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#1B8199 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8199

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8199	#FFFFFF	#000000	##000000
##1B8199	1.00	4.52	4.65	4.65
#FFFFFF	4.52	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)

#727D9A

Deuteranopia (green-blind)

#617199

Tritanopia (blue-blind)

#008989

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1b8199;
/* rgb */ color: rgb(27, 129, 153);
/* oklch */ color: oklch(55.9% 0.094 218.4);

Tailwind

colors: {
  custom: {
    50: '#6fa5b7',
    500: '#1b8199',
    950: '#000000',
  },
}

SCSS

$custom: #1b8199;
$custom-light: #6fa5b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8199",
  "rgb": {
    "r": 27,
    "g": 129,
    "b": 153
  },
  "hsl": {
    "h": 191.429,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.5593,
    "c": 0.09384,
    "h": 218.4
  },
  "luminance": 0.18233
}

Semantic roles & 50–950 ramp

primary

#1B8199

secondary

#C2644E

accent

#5D3BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B8199

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

Preview Lab → · Contrast checker → · Palette generator →