#1F778B#1F778B

#1F778B is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 52.8% C 0.085 H 216.8°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#1F778B
RGB	rgb(31, 119, 139)
HSL	hsl(191, 64%, 33%)
HSV	hsv(191, 78%, 55%)
CMYK	cmyk(77.7%, 14.4%, 0%, 45.5%)
CIE-LAB	lab(46.11, -18.13, -18.20)
CIE-LCH	lch(46.11, 25.69, 225.11°)
OKLab	oklab(52.82% -0.0678 -0.0508)
OKLCH	oklch(52.82% 0.085 216.8)
XYZ	xyz(11.8201, 15.3476, 26.7605)
Luminance	0.1535 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F778B #8B331F

analogous

#1F8B69 #1F778B #1F418B

triadic

#1F778B #8B1F77 #778B1F

tetradic

#1F778B #691F8B #8B331F #418B1F

square

#1F778B #691F8B #8B331F #418B1F

split-complementary

#1F778B #8B1F41 #8B691F

monochromatic

#092127 #144C59 #1F778B #2AA2BD #4DBED7

Accessibility & contrast

On white

5.16

#1F778B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#1F778B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F778B

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F778B	#FFFFFF	#000000	##FFFFFF
##1F778B	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A738C

Deuteranopia (green-blind)

#5B698B

Tritanopia (blue-blind)

#007E7D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #1f778b;
/* rgb */ color: rgb(31, 119, 139);
/* oklch */ color: oklch(52.8% 0.085 216.8);

Tailwind

colors: {
  custom: {
    50: '#6d9ead',
    500: '#1f778b',
    950: '#000000',
  },
}

SCSS

$custom: #1f778b;
$custom-light: #6d9ead;
$custom-dark: #000000;

JSON

{
  "hex": "#1f778b",
  "rgb": {
    "r": 31,
    "g": 119,
    "b": 139
  },
  "hsl": {
    "h": 191.111,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.52815,
    "c": 0.08474,
    "h": 216.8
  },
  "luminance": 0.15349
}

Semantic roles & 50–950 ramp

primary

#1F778B

secondary

#BA604C

accent

#6041E7

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1F778B

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

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