#1B779F#1B779F

#1B779F is a mid, moderate cyan. Relative luminance 0.159; OKLCH L 53.7% C 0.102 H 232.9°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#1B779F
RGB	rgb(27, 119, 159)
HSL	hsl(198, 71%, 36%)
HSV	hsv(198, 83%, 62%)
CMYK	cmyk(83%, 25.2%, 0%, 37.6%)
CIE-LAB	lab(46.88, -11.43, -28.81)
CIE-LCH	lch(46.88, 30.99, 248.37°)
OKLab	oklab(53.69% -0.0615 -0.0813)
OKLCH	oklch(53.69% 0.102 232.9)
XYZ	xyz(13.3043, 15.9282, 35.1674)
Luminance	0.1593 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B779F #9F431B

analogous

#1B9F85 #1B779F #1B359F

triadic

#1B779F #9F1B77 #779F1B

tetradic

#1B779F #851B9F #9F431B #359F1B

square

#1B779F #851B9F #9F431B #359F1B

split-complementary

#1B779F #9F1B35 #9F851B

monochromatic

#092936 #12506B #1B779F #249ED3 #53B6E2

Accessibility & contrast

On white

5.02

#1B779F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#1B779F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B779F

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B779F	#FFFFFF	#000000	##FFFFFF
##1B779F	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6376A1

Deuteranopia (green-blind)

#526A9E

Tritanopia (blue-blind)

#008285

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #1b779f;
/* rgb */ color: rgb(27, 119, 159);
/* oklch */ color: oklch(53.7% 0.102 232.9);

Tailwind

colors: {
  custom: {
    50: '#6f9ebb',
    500: '#1b779f',
    950: '#000000',
  },
}

SCSS

$custom: #1b779f;
$custom-light: #6f9ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b779f",
  "rgb": {
    "r": 27,
    "g": 119,
    "b": 159
  },
  "hsl": {
    "h": 198.182,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.53694,
    "c": 0.10194,
    "h": 232.9
  },
  "luminance": 0.1593
}

Semantic roles & 50–950 ramp

primary

#1B779F

secondary

#C57451

accent

#713AEE

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1B779F

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

Preview Lab → · Contrast checker → · Palette generator →