#1B8099#1B8099

#1B8099 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 55.7% C 0.094 H 219.4°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B8099
RGB	rgb(27, 128, 153)
HSL	hsl(192, 70%, 35%)
HSV	hsv(192, 82%, 60%)
CMYK	cmyk(82.4%, 16.3%, 0%, 40%)
CIE-LAB	lab(49.46, -18.61, -21.30)
CIE-LCH	lch(49.46, 28.28, 228.86°)
OKLab	oklab(55.68% -0.0726 -0.0596)
OKLCH	oklch(55.68% 0.094 219.4)
XYZ	xyz(13.9185, 17.9695, 32.8657)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8099 #99341B

analogous

#1B9973 #1B8099 #1B4199

triadic

#1B8099 #991B80 #80991B

tetradic

#1B8099 #731B99 #99341B #41991B

square

#1B8099 #731B99 #99341B #41991B

split-complementary

#1B8099 #991B41 #99731B

monochromatic

#092931 #125465 #1B8099 #24ACCD #4FC3E0

Accessibility & contrast

On white

4.57

#1B8099 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#1B8099 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8099

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8099	#FFFFFF	#000000	##000000
##1B8099	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717C9A

Deuteranopia (green-blind)

#607099

Tritanopia (blue-blind)

#008888

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1b8099;
/* rgb */ color: rgb(27, 128, 153);
/* oklch */ color: oklch(55.7% 0.094 219.4);

Tailwind

colors: {
  custom: {
    50: '#6fa5b7',
    500: '#1b8099',
    950: '#000000',
  },
}

SCSS

$custom: #1b8099;
$custom-light: #6fa5b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8099",
  "rgb": {
    "r": 27,
    "g": 128,
    "b": 153
  },
  "hsl": {
    "h": 191.905,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.55675,
    "c": 0.09395,
    "h": 219.4
  },
  "luminance": 0.17971
}

Semantic roles & 50–950 ramp

primary

#1B8099

secondary

#C2654E

accent

#5E3BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B8099

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

Preview Lab → · Contrast checker → · Palette generator →