#1B788F#1B788F

#1B788F is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.2% C 0.089 H 219.1°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#1B788F
RGB	rgb(27, 120, 143)
HSL	hsl(192, 68%, 33%)
HSV	hsv(192, 81%, 56%)
CMYK	cmyk(81.1%, 16.1%, 0%, 43.9%)
CIE-LAB	lab(46.51, -17.74, -19.96)
CIE-LCH	lch(46.51, 26.70, 228.37°)
OKLab	oklab(53.17% -0.0687 -0.0558)
OKLCH	oklch(53.17% 0.089 219.1)
XYZ	xyz(12.1243, 15.6476, 28.3626)
Luminance	0.1565 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B788F #8F321B

analogous

#1B8F6C #1B788F #1B3E8F

triadic

#1B788F #8F1B78 #788F1B

tetradic

#1B788F #6C1B8F #8F321B #3E8F1B

square

#1B788F #6C1B8F #8F321B #3E8F1B

split-complementary

#1B788F #8F1B3E #8F6C1B

monochromatic

#082228 #114D5C #1B788F #25A3C2 #48BFDC

Accessibility & contrast

On white

5.08

#1B788F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#1B788F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B788F

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B788F	#FFFFFF	#000000	##FFFFFF
##1B788F	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7490

Deuteranopia (green-blind)

#5A698F

Tritanopia (blue-blind)

#00807F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #1b788f;
/* rgb */ color: rgb(27, 120, 143);
/* oklch */ color: oklch(53.2% 0.089 219.1);

Tailwind

colors: {
  custom: {
    50: '#6c9faf',
    500: '#1b788f',
    950: '#000000',
  },
}

SCSS

$custom: #1b788f;
$custom-light: #6c9faf;
$custom-dark: #000000;

JSON

{
  "hex": "#1b788f",
  "rgb": {
    "r": 27,
    "g": 120,
    "b": 143
  },
  "hsl": {
    "h": 191.897,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.53169,
    "c": 0.08856,
    "h": 219.1
  },
  "luminance": 0.15649
}

Semantic roles & 50–950 ramp

primary

#1B788F

secondary

#BE5F48

accent

#5F3DEB

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1B788F

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

Preview Lab → · Contrast checker → · Palette generator →