#1B899F#1B899F

#1B899F is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.2% C 0.097 H 215.4°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#1B899F
RGB	rgb(27, 137, 159)
HSL	hsl(190, 71%, 36%)
HSV	hsv(190, 83%, 62%)
CMYK	cmyk(83%, 13.8%, 0%, 37.6%)
CIE-LAB	lab(52.54, -21.35, -20.07)
CIE-LCH	lch(52.54, 29.30, 223.22°)
OKLab	oklab(58.23% -0.079 -0.0561)
OKLCH	oklch(58.23% 0.097 215.4)
XYZ	xyz(15.6530, 20.6256, 35.9503)
Luminance	0.2063 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B899F #9F311B

analogous

#1B9F73 #1B899F #1B479F

triadic

#1B899F #9F1B89 #899F1B

tetradic

#1B899F #731B9F #9F311B #479F1B

square

#1B899F #731B9F #9F311B #479F1B

split-complementary

#1B899F #9F1B47 #9F731B

monochromatic

#092F36 #125C6B #1B899F #24B6D3 #53CAE2

Accessibility & contrast

On white

4.10

#1B899F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#1B899F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B899F

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B899F	#FFFFFF	#000000	##000000
##1B899F	1.00	4.10	5.13	5.13
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A84A0

Deuteranopia (green-blind)

#69789F

Tritanopia (blue-blind)

#009190

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #1b899f;
/* rgb */ color: rgb(27, 137, 159);
/* oklch */ color: oklch(58.2% 0.097 215.4);

Tailwind

colors: {
  custom: {
    50: '#71abbb',
    500: '#1b899f',
    950: '#000000',
  },
}

SCSS

$custom: #1b899f;
$custom-light: #71abbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b899f",
  "rgb": {
    "r": 27,
    "g": 137,
    "b": 159
  },
  "hsl": {
    "h": 190,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.58232,
    "c": 0.09686,
    "h": 215.4
  },
  "luminance": 0.20628
}

Semantic roles & 50–950 ramp

primary

#1B899F

secondary

#C56451

accent

#583AEE

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #1B899F

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

Preview Lab → · Contrast checker → · Palette generator →