#1B7B9D#1B7B9D

#1B7B9D is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.6% C 0.098 H 227.7°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#1B7B9D
RGB	rgb(27, 123, 157)
HSL	hsl(196, 71%, 36%)
HSV	hsv(196, 83%, 62%)
CMYK	cmyk(82.8%, 21.7%, 0%, 38.4%)
CIE-LAB	lab(48.05, -14.43, -25.82)
CIE-LCH	lch(48.05, 29.58, 240.80°)
OKLab	oklab(54.6% -0.0661 -0.0726)
OKLCH	oklch(54.6% 0.098 227.7)
XYZ	xyz(13.6182, 16.8315, 34.4228)
Luminance	0.1683 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7B9D #9D3D1B

analogous

#1B9D7E #1B7B9D #1B3A9D

triadic

#1B7B9D #9D1B7B #7B9D1B

tetradic

#1B7B9D #7E1B9D #9D3D1B #3A9D1B

square

#1B7B9D #7E1B9D #9D3D1B #3A9D1B

split-complementary

#1B7B9D #9D1B3A #9D7E1B

monochromatic

#092935 #125269 #1B7B9D #24A4D1 #51BCE1

Accessibility & contrast

On white

4.81

#1B7B9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#1B7B9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7B9D

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7B9D	#FFFFFF	#000000	##FFFFFF
##1B7B9D	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69799F

Deuteranopia (green-blind)

#586D9D

Tritanopia (blue-blind)

#008586

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1b7b9d;
/* rgb */ color: rgb(27, 123, 157);
/* oklch */ color: oklch(54.6% 0.098 227.7);

Tailwind

colors: {
  custom: {
    50: '#6fa1ba',
    500: '#1b7b9d',
    950: '#000000',
  },
}

SCSS

$custom: #1b7b9d;
$custom-light: #6fa1ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7b9d",
  "rgb": {
    "r": 27,
    "g": 123,
    "b": 157
  },
  "hsl": {
    "h": 195.692,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.54597,
    "c": 0.09821,
    "h": 227.7
  },
  "luminance": 0.16833
}

Semantic roles & 50–950 ramp

primary

#1B7B9D

secondary

#C46E50

accent

#693AED

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #1B7B9D

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

Preview Lab → · Contrast checker → · Palette generator →