#1B7D9A#1B7D9A

#1B7D9A is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.0% C 0.095 H 223.3°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#1B7D9A
RGB	rgb(27, 125, 154)
HSL	hsl(194, 70%, 35%)
HSV	hsv(194, 82%, 60%)
CMYK	cmyk(82.5%, 18.8%, 0%, 39.6%)
CIE-LAB	lab(48.55, -16.61, -23.28)
CIE-LCH	lch(48.55, 28.60, 234.49°)
OKLab	oklab(54.96% -0.0693 -0.0653)
OKLCH	oklch(54.96% 0.095 223.3)
XYZ	xyz(13.6159, 17.2316, 33.1740)
Luminance	0.1723 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7D9A #9A381B

analogous

#1B9A77 #1B7D9A #1B3D9A

triadic

#1B7D9A #9A1B7D #7D9A1B

tetradic

#1B7D9A #771B9A #9A381B #3D9A1B

square

#1B7D9A #771B9A #9A381B #3D9A1B

split-complementary

#1B7D9A #9A1B3D #9A771B

monochromatic

#092832 #125366 #1B7D9A #24A7CE #4FBFE0

Accessibility & contrast

On white

4.72

#1B7D9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#1B7D9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7D9A

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7D9A	#FFFFFF	#000000	##FFFFFF
##1B7D9A	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)

#6C7A9B

Deuteranopia (green-blind)

#5C6E9A

Tritanopia (blue-blind)

#008686

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #1b7d9a;
/* rgb */ color: rgb(27, 125, 154);
/* oklch */ color: oklch(55.0% 0.095 223.3);

Tailwind

colors: {
  custom: {
    50: '#6fa2b7',
    500: '#1b7d9a',
    950: '#000000',
  },
}

SCSS

$custom: #1b7d9a;
$custom-light: #6fa2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7d9a",
  "rgb": {
    "r": 27,
    "g": 125,
    "b": 154
  },
  "hsl": {
    "h": 193.701,
    "s": 70.166,
    "l": 35.49
  },
  "oklch": {
    "l": 0.54959,
    "c": 0.0952,
    "h": 223.3
  },
  "luminance": 0.17233
}

Semantic roles & 50–950 ramp

primary

#1B7D9A

secondary

#C3694E

accent

#643BED

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B7D9A

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

Preview Lab → · Contrast checker → · Palette generator →