#1B788D#1B788D

#1B788D is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.1% C 0.087 H 217.2°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#1B788D
RGB	rgb(27, 120, 141)
HSL	hsl(191, 68%, 33%)
HSV	hsv(191, 81%, 55%)
CMYK	cmyk(80.9%, 14.9%, 0%, 44.7%)
CIE-LAB	lab(46.43, -18.44, -18.90)
CIE-LCH	lch(46.43, 26.40, 225.70°)
OKLab	oklab(53.08% -0.0696 -0.0528)
OKLCH	oklch(53.08% 0.087 217.2)
XYZ	xyz(11.9741, 15.5876, 27.5717)
Luminance	0.1559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B788D #8D301B

analogous

#1B8D69 #1B788D #1B3F8D

triadic

#1B788D #8D1B78 #788D1B

tetradic

#1B788D #691B8D #8D301B #3F8D1B

square

#1B788D #691B8D #8D301B #3F8D1B

split-complementary

#1B788D #8D1B3F #8D691B

monochromatic

#072126 #114C5A #1B788D #25A4C0 #47C0DC

Accessibility & contrast

On white

5.10

#1B788D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#1B788D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B788D

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B788D	#FFFFFF	#000000	##FFFFFF
##1B788D	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A748E

Deuteranopia (green-blind)

#5B698D

Tritanopia (blue-blind)

#007F7F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #1b788d;
/* rgb */ color: rgb(27, 120, 141);
/* oklch */ color: oklch(53.1% 0.087 217.2);

Tailwind

colors: {
  custom: {
    50: '#6c9fae',
    500: '#1b788d',
    950: '#000000',
  },
}

SCSS

$custom: #1b788d;
$custom-light: #6c9fae;
$custom-dark: #000000;

JSON

{
  "hex": "#1b788d",
  "rgb": {
    "r": 27,
    "g": 120,
    "b": 141
  },
  "hsl": {
    "h": 191.053,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.53078,
    "c": 0.08735,
    "h": 217.2
  },
  "luminance": 0.15589
}

Semantic roles & 50–950 ramp

primary

#1B788D

secondary

#BD5C46

accent

#5D3DEB

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1B788D

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

Preview Lab → · Contrast checker → · Palette generator →