#1B718A#1B718A

#1B718A is a mid, moderate cyan. Relative luminance 0.139; OKLCH L 51.1% C 0.086 H 222.4°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#1B718A
RGB	rgb(27, 113, 138)
HSL	hsl(194, 67%, 32%)
HSV	hsv(194, 80%, 54%)
CMYK	cmyk(80.4%, 18.1%, 0%, 45.9%)
CIE-LAB	lab(44.06, -15.62, -20.76)
CIE-LCH	lch(44.06, 25.98, 233.03°)
OKLab	oklab(51.13% -0.0637 -0.0582)
OKLCH	oklch(51.13% 0.086 222.4)
XYZ	xyz(10.9426, 13.8769, 26.1416)
Luminance	0.1388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B718A #8A341B

analogous

#1B8A6C #1B718A #1B398A

triadic

#1B718A #8A1B71 #718A1B

tetradic

#1B718A #6C1B8A #8A341B #398A1B

square

#1B718A #6C1B8A #8A341B #398A1B

split-complementary

#1B718A #8A1B39 #8A6C1B

monochromatic

#071D24 #114757 #1B718A #259BBD #45B9DB

Accessibility & contrast

On white

5.56

#1B718A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#1B718A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B718A

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B718A	#FFFFFF	#000000	##FFFFFF
##1B718A	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626E8B

Deuteranopia (green-blind)

#54648A

Tritanopia (blue-blind)

#007979

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #1b718a;
/* rgb */ color: rgb(27, 113, 138);
/* oklch */ color: oklch(51.1% 0.086 222.4);

Tailwind

colors: {
  custom: {
    50: '#6b9aac',
    500: '#1b718a',
    950: '#000000',
  },
}

SCSS

$custom: #1b718a;
$custom-light: #6b9aac;
$custom-dark: #000000;

JSON

{
  "hex": "#1b718a",
  "rgb": {
    "r": 27,
    "g": 113,
    "b": 138
  },
  "hsl": {
    "h": 193.514,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.5113,
    "c": 0.08626,
    "h": 222.4
  },
  "luminance": 0.13878
}

Semantic roles & 50–950 ramp

primary

#1B718A

secondary

#BC6045

accent

#643EEA

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #1B718A

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

Preview Lab → · Contrast checker → · Palette generator →