#1B719F#1B719F

#1B719F is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.2% C 0.106 H 238.1°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#1B719F
RGB	rgb(27, 113, 159)
HSL	hsl(201, 71%, 36%)
HSV	hsv(201, 83%, 62%)
CMYK	cmyk(83%, 28.9%, 0%, 37.6%)
CIE-LAB	lab(45.00, -7.92, -31.74)
CIE-LCH	lch(45.00, 32.71, 255.99°)
OKLab	oklab(52.2% -0.0559 -0.0898)
OKLCH	oklch(52.2% 0.106 238.1)
XYZ	xyz(12.6126, 14.5449, 34.9369)
Luminance	0.1455 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B719F #9F491B

analogous

#1B9F8B #1B719F #1B2F9F

triadic

#1B719F #9F1B71 #719F1B

tetradic

#1B719F #8B1B9F #9F491B #2F9F1B

square

#1B719F #8B1B9F #9F491B #2F9F1B

split-complementary

#1B719F #9F1B2F #9F8B1B

monochromatic

#092736 #124C6B #1B719F #2496D3 #53B0E2

Accessibility & contrast

On white

5.37

#1B719F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#1B719F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B719F

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B719F	#FFFFFF	#000000	##FFFFFF
##1B719F	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B71A1

Deuteranopia (green-blind)

#49659E

Tritanopia (blue-blind)

#007D81

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1b719f;
/* rgb */ color: rgb(27, 113, 159);
/* oklch */ color: oklch(52.2% 0.106 238.1);

Tailwind

colors: {
  custom: {
    50: '#6f99bb',
    500: '#1b719f',
    950: '#000000',
  },
}

SCSS

$custom: #1b719f;
$custom-light: #6f99bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b719f",
  "rgb": {
    "r": 27,
    "g": 113,
    "b": 159
  },
  "hsl": {
    "h": 200.909,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.522,
    "c": 0.1058,
    "h": 238.1
  },
  "luminance": 0.14546
}

Semantic roles & 50–950 ramp

primary

#1B719F

secondary

#C57951

accent

#793AEE

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1B719F

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

Preview Lab → · Contrast checker → · Palette generator →