#1B6F9F#1B6F9F

#1B6F9F is a mid, moderate cyan. Relative luminance 0.141; OKLCH L 51.7% C 0.107 H 239.8°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#1B6F9F
RGB	rgb(27, 111, 159)
HSL	hsl(202, 71%, 36%)
HSV	hsv(202, 83%, 62%)
CMYK	cmyk(83%, 30.2%, 0%, 37.6%)
CIE-LAB	lab(44.38, -6.73, -32.72)
CIE-LCH	lch(44.38, 33.40, 258.38°)
OKLab	oklab(51.71% -0.054 -0.0927)
OKLCH	oklch(51.71% 0.107 239.8)
XYZ	xyz(12.3920, 14.1035, 34.8633)
Luminance	0.1411 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6F9F #9F4B1B

analogous

#1B9F8D #1B6F9F #1B2D9F

triadic

#1B6F9F #9F1B6F #6F9F1B

tetradic

#1B6F9F #8D1B9F #9F4B1B #2D9F1B

square

#1B6F9F #8D1B9F #9F4B1B #2D9F1B

split-complementary

#1B6F9F #9F1B2D #9F8D1B

monochromatic

#092636 #124A6B #1B6F9F #2494D3 #53AEE2

Accessibility & contrast

On white

5.50

#1B6F9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#1B6F9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6F9F

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6F9F	#FFFFFF	#000000	##FFFFFF
##1B6F9F	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5870A1

Deuteranopia (green-blind)

#46649E

Tritanopia (blue-blind)

#007B80

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #1b6f9f;
/* rgb */ color: rgb(27, 111, 159);
/* oklch */ color: oklch(51.7% 0.107 239.8);

Tailwind

colors: {
  custom: {
    50: '#6f98bb',
    500: '#1b6f9f',
    950: '#000000',
  },
}

SCSS

$custom: #1b6f9f;
$custom-light: #6f98bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6f9f",
  "rgb": {
    "r": 27,
    "g": 111,
    "b": 159
  },
  "hsl": {
    "h": 201.818,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.51705,
    "c": 0.1073,
    "h": 239.8
  },
  "luminance": 0.14105
}

Semantic roles & 50–950 ramp

primary

#1B6F9F

secondary

#C57B51

accent

#7B3AEE

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #1B6F9F

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

Preview Lab → · Contrast checker → · Palette generator →