#1B718C#1B718C

#1B718C is a mid, moderate cyan. Relative luminance 0.139; OKLCH L 51.2% C 0.088 H 224.2°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#1B718C
RGB	rgb(27, 113, 140)
HSL	hsl(194, 68%, 33%)
HSV	hsv(194, 81%, 55%)
CMYK	cmyk(80.7%, 19.3%, 0%, 45.1%)
CIE-LAB	lab(44.14, -14.91, -21.82)
CIE-LCH	lch(44.14, 26.43, 235.66°)
OKLab	oklab(51.23% -0.0629 -0.0612)
OKLCH	oklch(51.23% 0.088 224.2)
XYZ	xyz(11.0888, 13.9354, 26.9112)
Luminance	0.1394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B718C #8C361B

analogous

#1B8C6E #1B718C #1B398C

triadic

#1B718C #8C1B71 #718C1B

tetradic

#1B718C #6E1B8C #8C361B #398C1B

square

#1B718C #6E1B8C #8C361B #398C1B

split-complementary

#1B718C #8C1B39 #8C6E1B

monochromatic

#071E25 #114859 #1B718C #259ABF #46B8DB

Accessibility & contrast

On white

5.54

#1B718C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#1B718C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B718C

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B718C	#FFFFFF	#000000	##FFFFFF
##1B718C	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626E8D

Deuteranopia (green-blind)

#53648C

Tritanopia (blue-blind)

#00797A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #1b718c;
/* rgb */ color: rgb(27, 113, 140);
/* oklch */ color: oklch(51.2% 0.088 224.2);

Tailwind

colors: {
  custom: {
    50: '#6b9aad',
    500: '#1b718c',
    950: '#000000',
  },
}

SCSS

$custom: #1b718c;
$custom-light: #6b9aad;
$custom-dark: #000000;

JSON

{
  "hex": "#1b718c",
  "rgb": {
    "r": 27,
    "g": 113,
    "b": 140
  },
  "hsl": {
    "h": 194.336,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.51225,
    "c": 0.08777,
    "h": 224.2
  },
  "luminance": 0.13937
}

Semantic roles & 50–950 ramp

primary

#1B718C

secondary

#BD6246

accent

#673DEB

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1B718C

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

Preview Lab → · Contrast checker → · Palette generator →