#1B7D9B#1B7D9B

#1B7D9B is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.0% C 0.096 H 224.1°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#1B7D9B
RGB	rgb(27, 125, 155)
HSL	hsl(194, 70%, 36%)
HSV	hsv(194, 83%, 61%)
CMYK	cmyk(82.6%, 19.4%, 0%, 39.2%)
CIE-LAB	lab(48.59, -16.26, -23.81)
CIE-LCH	lch(48.59, 28.83, 235.67°)
OKLab	oklab(55.01% -0.0688 -0.0668)
OKLCH	oklch(55.01% 0.096 224.1)
XYZ	xyz(13.6995, 17.2651, 33.6145)
Luminance	0.1727 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7D9B #9B391B

analogous

#1B9B79 #1B7D9B #1B3D9B

triadic

#1B7D9B #9B1B7D #7D9B1B

tetradic

#1B7D9B #791B9B #9B391B #3D9B1B

square

#1B7D9B #791B9B #9B391B #3D9B1B

split-complementary

#1B7D9B #9B1B3D #9B791B

monochromatic

#092933 #125367 #1B7D9B #24A7CF #50BFE0

Accessibility & contrast

On white

4.72

#1B7D9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#1B7D9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7D9B

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7D9B	#FFFFFF	#000000	##FFFFFF
##1B7D9B	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7A9D

Deuteranopia (green-blind)

#5B6E9B

Tritanopia (blue-blind)

#008687

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #1b7d9b;
/* rgb */ color: rgb(27, 125, 155);
/* oklch */ color: oklch(55.0% 0.096 224.1);

Tailwind

colors: {
  custom: {
    50: '#6fa2b8',
    500: '#1b7d9b',
    950: '#000000',
  },
}

SCSS

$custom: #1b7d9b;
$custom-light: #6fa2b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7d9b",
  "rgb": {
    "r": 27,
    "g": 125,
    "b": 155
  },
  "hsl": {
    "h": 194.063,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.55006,
    "c": 0.09594,
    "h": 224.1
  },
  "luminance": 0.17267
}

Semantic roles & 50–950 ramp

primary

#1B7D9B

secondary

#C36A4F

accent

#653BED

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B7D9B

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

Preview Lab → · Contrast checker → · Palette generator →