#1B8599#1B8599

#1B8599 is a mid, moderate teal. Relative luminance 0.193; OKLCH L 57.0% C 0.094 H 214.2°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#1B8599
RGB	rgb(27, 133, 153)
HSL	hsl(190, 70%, 35%)
HSV	hsv(190, 82%, 60%)
CMYK	cmyk(82.4%, 13.1%, 0%, 40%)
CIE-LAB	lab(51.04, -21.28, -18.87)
CIE-LCH	lch(51.04, 28.44, 221.56°)
OKLab	oklab(56.95% -0.0775 -0.0527)
OKLCH	oklch(56.95% 0.094 214.2)
XYZ	xyz(14.5868, 19.3061, 33.0885)
Luminance	0.1931 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8599 #992F1B

analogous

#1B996E #1B8599 #1B4699

triadic

#1B8599 #991B85 #85991B

tetradic

#1B8599 #6E1B99 #992F1B #46991B

square

#1B8599 #6E1B99 #992F1B #46991B

split-complementary

#1B8599 #991B46 #996E1B

monochromatic

#092B31 #125865 #1B8599 #24B2CD #4FC9E0

Accessibility & contrast

On white

4.32

#1B8599 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#1B8599 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8599

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8599	#FFFFFF	#000000	##000000
##1B8599	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77809A

Deuteranopia (green-blind)

#667499

Tritanopia (blue-blind)

#008D8B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #1b8599;
/* rgb */ color: rgb(27, 133, 153);
/* oklch */ color: oklch(57.0% 0.094 214.2);

Tailwind

colors: {
  custom: {
    50: '#6fa8b7',
    500: '#1b8599',
    950: '#000000',
  },
}

SCSS

$custom: #1b8599;
$custom-light: #6fa8b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8599",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 153
  },
  "hsl": {
    "h": 189.524,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56952,
    "c": 0.09376,
    "h": 214.2
  },
  "luminance": 0.19308
}

Semantic roles & 50–950 ramp

primary

#1B8599

secondary

#C2604E

accent

#573BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B8599

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

Preview Lab → · Contrast checker → · Palette generator →