#1B7E9F#1B7E9F

#1B7E9F is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.5% C 0.099 H 226.3°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#1B7E9F
RGB	rgb(27, 126, 159)
HSL	hsl(195, 71%, 36%)
HSV	hsv(195, 83%, 62%)
CMYK	cmyk(83%, 20.8%, 0%, 37.6%)
CIE-LAB	lab(49.08, -15.39, -25.39)
CIE-LCH	lch(49.08, 29.69, 238.78°)
OKLab	oklab(55.45% -0.0683 -0.0714)
OKLCH	oklch(55.45% 0.099 226.3)
XYZ	xyz(14.1683, 17.6561, 35.4554)
Luminance	0.1766 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7E9F #9F3C1B

analogous

#1B9F7E #1B7E9F #1B3C9F

triadic

#1B7E9F #9F1B7E #7E9F1B

tetradic

#1B7E9F #7E1B9F #9F3C1B #3C9F1B

square

#1B7E9F #7E1B9F #9F3C1B #3C9F1B

split-complementary

#1B7E9F #9F1B3C #9F7E1B

monochromatic

#092B36 #12556B #1B7E9F #24A7D3 #53BEE2

Accessibility & contrast

On white

4.63

#1B7E9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#1B7E9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7E9F

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7E9F	#FFFFFF	#000000	##FFFFFF
##1B7E9F	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7BA1

Deuteranopia (green-blind)

#5B6F9F

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1b7e9f;
/* rgb */ color: rgb(27, 126, 159);
/* oklch */ color: oklch(55.5% 0.099 226.3);

Tailwind

colors: {
  custom: {
    50: '#70a3bb',
    500: '#1b7e9f',
    950: '#000000',
  },
}

SCSS

$custom: #1b7e9f;
$custom-light: #70a3bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7e9f",
  "rgb": {
    "r": 27,
    "g": 126,
    "b": 159
  },
  "hsl": {
    "h": 195,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.5545,
    "c": 0.09876,
    "h": 226.3
  },
  "luminance": 0.17658
}

Semantic roles & 50–950 ramp

primary

#1B7E9F

secondary

#C56E51

accent

#673AEE

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1B7E9F

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

Preview Lab → · Contrast checker → · Palette generator →