#1B7F9F#1B7F9F

#1B7F9F is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.7% C 0.098 H 225.3°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B7F9F
RGB	rgb(27, 127, 159)
HSL	hsl(195, 71%, 36%)
HSV	hsv(195, 83%, 62%)
CMYK	cmyk(83%, 20.1%, 0%, 37.6%)
CIE-LAB	lab(49.39, -15.95, -24.91)
CIE-LCH	lch(49.39, 29.57, 237.37°)
OKLab	oklab(55.7% -0.0692 -0.07)
OKLCH	oklch(55.7% 0.098 225.3)
XYZ	xyz(14.2968, 17.9132, 35.4982)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7F9F #9F3B1B

analogous

#1B9F7D #1B7F9F #1B3D9F

triadic

#1B7F9F #9F1B7F #7F9F1B

tetradic

#1B7F9F #7D1B9F #9F3B1B #3D9F1B

square

#1B7F9F #7D1B9F #9F3B1B #3D9F1B

split-complementary

#1B7F9F #9F1B3D #9F7D1B

monochromatic

#092B36 #12556B #1B7F9F #24A9D3 #53BFE2

Accessibility & contrast

On white

4.58

#1B7F9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#1B7F9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B7F9F

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7F9F	#FFFFFF	#000000	##000000
##1B7F9F	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7CA1

Deuteranopia (green-blind)

#5C709F

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1b7f9f;
/* rgb */ color: rgb(27, 127, 159);
/* oklch */ color: oklch(55.7% 0.098 225.3);

Tailwind

colors: {
  custom: {
    50: '#70a4bb',
    500: '#1b7f9f',
    950: '#000000',
  },
}

SCSS

$custom: #1b7f9f;
$custom-light: #70a4bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7f9f",
  "rgb": {
    "r": 27,
    "g": 127,
    "b": 159
  },
  "hsl": {
    "h": 194.545,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.55702,
    "c": 0.09842,
    "h": 225.3
  },
  "luminance": 0.17915
}

Semantic roles & 50–950 ramp

primary

#1B7F9F

secondary

#C56D51

accent

#663AEE

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1B7F9F

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

Preview Lab → · Contrast checker → · Palette generator →