#1B7388#1B7388

#1B7388 is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 51.6% C 0.085 H 218.1°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#1B7388
RGB	rgb(27, 115, 136)
HSL	hsl(192, 67%, 32%)
HSV	hsv(192, 80%, 53%)
CMYK	cmyk(80.1%, 15.4%, 0%, 46.7%)
CIE-LAB	lab(44.62, -17.44, -18.70)
CIE-LCH	lch(44.62, 25.57, 227.00°)
OKLab	oklab(51.55% -0.0666 -0.0523)
OKLCH	oklch(51.55% 0.085 218.1)
XYZ	xyz(11.0248, 14.2707, 25.4612)
Luminance	0.1427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7388 #88301B

analogous

#1B8867 #1B7388 #1B3C88

triadic

#1B7388 #881B73 #73881B

tetradic

#1B7388 #671B88 #88301B #3C881B

square

#1B7388 #671B88 #88301B #3C881B

split-complementary

#1B7388 #881B3C #88671B

monochromatic

#071D22 #114855 #1B7388 #259EBB #44BDDA

Accessibility & contrast

On white

5.45

#1B7388 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#1B7388 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7388

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7388	#FFFFFF	#000000	##FFFFFF
##1B7388	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#666F89

Deuteranopia (green-blind)

#576588

Tritanopia (blue-blind)

#007A7A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1b7388;
/* rgb */ color: rgb(27, 115, 136);
/* oklch */ color: oklch(51.6% 0.085 218.1);

Tailwind

colors: {
  custom: {
    50: '#6b9baa',
    500: '#1b7388',
    950: '#000000',
  },
}

SCSS

$custom: #1b7388;
$custom-light: #6b9baa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7388",
  "rgb": {
    "r": 27,
    "g": 115,
    "b": 136
  },
  "hsl": {
    "h": 191.56,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.51555,
    "c": 0.08465,
    "h": 218.1
  },
  "luminance": 0.14272
}

Semantic roles & 50–950 ramp

primary

#1B7388

secondary

#BB5B44

accent

#5F3EEA

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #1B7388

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

Preview Lab → · Contrast checker → · Palette generator →