#1B7188#1B7188

#1B7188 is a mid, moderate cyan. Relative luminance 0.138; OKLCH L 51.0% C 0.085 H 220.5°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B7188
RGB	rgb(27, 113, 136)
HSL	hsl(193, 67%, 32%)
HSV	hsv(193, 80%, 53%)
CMYK	cmyk(80.1%, 16.9%, 0%, 46.7%)
CIE-LAB	lab(43.97, -16.33, -19.69)
CIE-LCH	lch(43.97, 25.59, 230.33°)
OKLab	oklab(51.04% -0.0645 -0.0551)
OKLCH	oklch(51.04% 0.085 220.5)
XYZ	xyz(10.7992, 13.8195, 25.3860)
Luminance	0.1382 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7188 #88321B

analogous

#1B8869 #1B7188 #1B3A88

triadic

#1B7188 #881B71 #71881B

tetradic

#1B7188 #691B88 #88321B #3A881B

square

#1B7188 #691B88 #88321B #3A881B

split-complementary

#1B7188 #881B3A #88691B

monochromatic

#071C22 #114755 #1B7188 #259BBB #44BADA

Accessibility & contrast

On white

5.58

#1B7188 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#1B7188 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7188

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7188	#FFFFFF	#000000	##FFFFFF
##1B7188	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#636E89

Deuteranopia (green-blind)

#556388

Tritanopia (blue-blind)

#007878

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #1b7188;
/* rgb */ color: rgb(27, 113, 136);
/* oklch */ color: oklch(51.0% 0.085 220.5);

Tailwind

colors: {
  custom: {
    50: '#6b9aaa',
    500: '#1b7188',
    950: '#000000',
  },
}

SCSS

$custom: #1b7188;
$custom-light: #6b9aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7188",
  "rgb": {
    "r": 27,
    "g": 113,
    "b": 136
  },
  "hsl": {
    "h": 192.661,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.51036,
    "c": 0.08487,
    "h": 220.5
  },
  "luminance": 0.13821
}

Semantic roles & 50–950 ramp

primary

#1B7188

secondary

#BB5D44

accent

#623EEA

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #1B7188

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

Preview Lab → · Contrast checker → · Palette generator →