#1B646F#1B646F

#1B646F is a mid, moderate teal. Relative luminance 0.105; OKLCH L 46.5% C 0.071 H 209.7°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#1B646F
RGB	rgb(27, 100, 111)
HSL	hsl(188, 61%, 27%)
HSV	hsv(188, 76%, 44%)
CMYK	cmyk(75.7%, 9.9%, 0%, 56.5%)
CIE-LAB	lab(38.72, -17.84, -12.61)
CIE-LCH	lch(38.72, 21.85, 215.24°)
OKLab	oklab(46.47% -0.0616 -0.0351)
OKLCH	oklch(46.47% 0.071 209.7)
XYZ	xyz(7.8772, 10.4941, 16.6463)
Luminance	0.1050 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B646F #6F261B

analogous

#1B6F50 #1B646F #1B3A6F

triadic

#1B646F #6F1B64 #646F1B

tetradic

#1B646F #501B6F #6F261B #3A6F1B

square

#1B646F #501B6F #6F261B #3A6F1B

split-complementary

#1B646F #6F1B3A #6F501B

monochromatic

#061619 #0F383E #1B646F #2790A0 #36BACE

Accessibility & contrast

On white

6.78

#1B646F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#1B646F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B646F

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B646F	#FFFFFF	#000000	##FFFFFF
##1B646F	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6070

Deuteranopia (green-blind)

#4F576F

Tritanopia (blue-blind)

#006967

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1b646f;
/* rgb */ color: rgb(27, 100, 111);
/* oklch */ color: oklch(46.5% 0.071 209.7);

Tailwind

colors: {
  custom: {
    50: '#669098',
    500: '#1b646f',
    950: '#000000',
  },
}

SCSS

$custom: #1b646f;
$custom-light: #669098;
$custom-dark: #000000;

JSON

{
  "hex": "#1b646f",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 111
  },
  "hsl": {
    "h": 187.857,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.46473,
    "c": 0.07087,
    "h": 209.7
  },
  "luminance": 0.10495
}

Semantic roles & 50–950 ramp

primary

#1B646F

secondary

#A44F42

accent

#5944E4

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0D

muted

#7A7D7E

Preview Lab

Preview with #1B646F

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

Preview Lab → · Contrast checker → · Palette generator →