#1B719E#1B719E

#1B719E is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.1% C 0.105 H 237.5°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#1B719E
RGB	rgb(27, 113, 158)
HSL	hsl(201, 71%, 36%)
HSV	hsv(201, 83%, 62%)
CMYK	cmyk(82.9%, 28.5%, 0%, 38%)
CIE-LAB	lab(44.96, -8.29, -31.23)
CIE-LCH	lch(44.96, 32.31, 255.12°)
OKLab	oklab(52.15% -0.0562 -0.0884)
OKLCH	oklch(52.15% 0.105 237.5)
XYZ	xyz(12.5262, 14.5103, 34.4817)
Luminance	0.1451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B719E #9E481B

analogous

#1B9E8A #1B719E #1B2F9E

triadic

#1B719E #9E1B71 #719E1B

tetradic

#1B719E #8A1B9E #9E481B #2F9E1B

square

#1B719E #8A1B9E #9E481B #2F9E1B

split-complementary

#1B719E #9E1B2F #9E8A1B

monochromatic

#092635 #124C6A #1B719E #2496D2 #52B0E1

Accessibility & contrast

On white

5.38

#1B719E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#1B719E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B719E

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B719E	#FFFFFF	#000000	##FFFFFF
##1B719E	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B71A0

Deuteranopia (green-blind)

#4A659D

Tritanopia (blue-blind)

#007D81

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1b719e;
/* rgb */ color: rgb(27, 113, 158);
/* oklch */ color: oklch(52.1% 0.105 237.5);

Tailwind

colors: {
  custom: {
    50: '#6f99bb',
    500: '#1b719e',
    950: '#000000',
  },
}

SCSS

$custom: #1b719e;
$custom-light: #6f99bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b719e",
  "rgb": {
    "r": 27,
    "g": 113,
    "b": 158
  },
  "hsl": {
    "h": 200.611,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.52146,
    "c": 0.10472,
    "h": 237.5
  },
  "luminance": 0.14512
}

Semantic roles & 50–950 ramp

primary

#1B719E

secondary

#C47851

accent

#783AEE

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #1B719E

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

Preview Lab → · Contrast checker → · Palette generator →