#1F779B#1F779B

#1F779B is a mid, moderate cyan. Relative luminance 0.159; OKLCH L 53.6% C 0.097 H 230.6°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#1F779B
RGB	rgb(31, 119, 155)
HSL	hsl(197, 67%, 36%)
HSV	hsv(197, 80%, 61%)
CMYK	cmyk(80%, 23.2%, 0%, 39.2%)
CIE-LAB	lab(46.78, -12.47, -26.61)
CIE-LCH	lch(46.78, 29.39, 244.89°)
OKLab	oklab(53.57% -0.0614 -0.0749)
OKLCH	oklch(53.57% 0.097 230.6)
XYZ	xyz(13.0759, 15.8499, 33.3742)
Luminance	0.1585 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F779B #9B431F

analogous

#1F9B81 #1F779B #1F399B

triadic

#1F779B #9B1F77 #779B1F

tetradic

#1F779B #811F9B #9B431F #399B1F

square

#1F779B #811F9B #9B431F #399B1F

split-complementary

#1F779B #9B1F39 #9B811F

monochromatic

#0B2935 #155068 #1F779B #299ECE #57B6DD

Accessibility & contrast

On white

5.04

#1F779B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#1F779B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F779B

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F779B	#FFFFFF	#000000	##FFFFFF
##1F779B	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#65759D

Deuteranopia (green-blind)

#546A9A

Tritanopia (blue-blind)

#008183

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #1f779b;
/* rgb */ color: rgb(31, 119, 155);
/* oklch */ color: oklch(53.6% 0.097 230.6);

Tailwind

colors: {
  custom: {
    50: '#6f9eb8',
    500: '#1f779b',
    950: '#000000',
  },
}

SCSS

$custom: #1f779b;
$custom-light: #6f9eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f779b",
  "rgb": {
    "r": 31,
    "g": 119,
    "b": 155
  },
  "hsl": {
    "h": 197.419,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.53574,
    "c": 0.09689,
    "h": 230.6
  },
  "luminance": 0.15852
}

Semantic roles & 50–950 ramp

primary

#1F779B

secondary

#C17455

accent

#703EEA

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #1F779B

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

Preview Lab → · Contrast checker → · Palette generator →