#1B7C9F#1B7C9F

#1B7C9F is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 54.9% C 0.100 H 228.2°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#1B7C9F
RGB	rgb(27, 124, 159)
HSL	hsl(196, 71%, 36%)
HSV	hsv(196, 83%, 62%)
CMYK	cmyk(83%, 22%, 0%, 37.6%)
CIE-LAB	lab(48.45, -14.27, -26.37)
CIE-LCH	lch(48.45, 29.98, 241.58°)
OKLab	oklab(54.95% -0.0663 -0.0742)
OKLCH	oklch(54.95% 0.1 228.2)
XYZ	xyz(13.9151, 17.1498, 35.3710)
Luminance	0.1715 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7C9F #9F3E1B

analogous

#1B9F80 #1B7C9F #1B3A9F

triadic

#1B7C9F #9F1B7C #7C9F1B

tetradic

#1B7C9F #801B9F #9F3E1B #3A9F1B

square

#1B7C9F #801B9F #9F3E1B #3A9F1B

split-complementary

#1B7C9F #9F1B3A #9F801B

monochromatic

#092A36 #12536B #1B7C9F #24A5D3 #53BCE2

Accessibility & contrast

On white

4.74

#1B7C9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#1B7C9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7C9F

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7C9F	#FFFFFF	#000000	##FFFFFF
##1B7C9F	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7AA1

Deuteranopia (green-blind)

#586E9F

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #1b7c9f;
/* rgb */ color: rgb(27, 124, 159);
/* oklch */ color: oklch(54.9% 0.100 228.2);

Tailwind

colors: {
  custom: {
    50: '#70a2bb',
    500: '#1b7c9f',
    950: '#000000',
  },
}

SCSS

$custom: #1b7c9f;
$custom-light: #70a2bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7c9f",
  "rgb": {
    "r": 27,
    "g": 124,
    "b": 159
  },
  "hsl": {
    "h": 195.909,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.54947,
    "c": 0.09951,
    "h": 228.2
  },
  "luminance": 0.17152
}

Semantic roles & 50–950 ramp

primary

#1B7C9F

secondary

#C57051

accent

#6A3AEE

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #1B7C9F

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

Preview Lab → · Contrast checker → · Palette generator →