#1B6B9F#1B6B9F

#1B6B9F is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.7% C 0.111 H 243.0°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#1B6B9F
RGB	rgb(27, 107, 159)
HSL	hsl(204, 71%, 36%)
HSV	hsv(204, 83%, 62%)
CMYK	cmyk(83%, 32.7%, 0%, 37.6%)
CIE-LAB	lab(43.14, -4.31, -34.68)
CIE-LCH	lch(43.14, 34.94, 262.91°)
OKLab	oklab(50.72% -0.0503 -0.0985)
OKLCH	oklch(50.72% 0.111 243)
XYZ	xyz(11.9652, 13.2501, 34.7211)
Luminance	0.1325 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6B9F #9F4F1B

analogous

#1B9F91 #1B6B9F #1B299F

triadic

#1B6B9F #9F1B6B #6B9F1B

tetradic

#1B6B9F #911B9F #9F4F1B #299F1B

square

#1B6B9F #911B9F #9F4F1B #299F1B

split-complementary

#1B6B9F #9F1B29 #9F911B

monochromatic

#092536 #12486B #1B6B9F #248ED3 #53A9E2

Accessibility & contrast

On white

5.75

#1B6B9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#1B6B9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6B9F

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6B9F	#FFFFFF	#000000	##FFFFFF
##1B6B9F	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526CA1

Deuteranopia (green-blind)

#40619E

Tritanopia (blue-blind)

#00787E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #1b6b9f;
/* rgb */ color: rgb(27, 107, 159);
/* oklch */ color: oklch(50.7% 0.111 243.0);

Tailwind

colors: {
  custom: {
    50: '#6f95bb',
    500: '#1b6b9f',
    950: '#000000',
  },
}

SCSS

$custom: #1b6b9f;
$custom-light: #6f95bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6b9f",
  "rgb": {
    "r": 27,
    "g": 107,
    "b": 159
  },
  "hsl": {
    "h": 203.636,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.50721,
    "c": 0.11058,
    "h": 243
  },
  "luminance": 0.13252
}

Semantic roles & 50–950 ramp

primary

#1B6B9F

secondary

#C57F51

accent

#813AEE

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #1B6B9F

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

Preview Lab → · Contrast checker → · Palette generator →