#1B666B#1B666B

#1B666B is a mid, moderate teal. Relative luminance 0.108; OKLCH L 46.8% C 0.071 H 201.6°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#1B666B
RGB	rgb(27, 102, 107)
HSL	hsl(184, 60%, 26%)
HSV	hsv(184, 75%, 42%)
CMYK	cmyk(74.8%, 4.7%, 0%, 58%)
CIE-LAB	lab(39.24, -20.28, -9.37)
CIE-LCH	lch(39.24, 22.34, 204.79°)
OKLab	oklab(46.84% -0.0657 -0.026)
OKLCH	oklch(46.84% 0.071 201.6)
XYZ	xyz(7.8560, 10.7964, 15.5769)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B666B #6B201B

analogous

#1B6B48 #1B666B #1B3E6B

triadic

#1B666B #6B1B66 #666B1B

tetradic

#1B666B #481B6B #6B201B #3E6B1B

square

#1B666B #481B6B #6B201B #3E6B1B

split-complementary

#1B666B #6B1B3E #6B481B

monochromatic

#061718 #0F373A #1B666B #27959C #35C2CC

Accessibility & contrast

On white

6.65

#1B666B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#1B666B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B666B

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B666B	#FFFFFF	#000000	##FFFFFF
##1B666B	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E616B

Deuteranopia (green-blind)

#52596B

Tritanopia (blue-blind)

#006A67

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1b666b;
/* rgb */ color: rgb(27, 102, 107);
/* oklch */ color: oklch(46.8% 0.071 201.6);

Tailwind

colors: {
  custom: {
    50: '#659295',
    500: '#1b666b',
    950: '#000000',
  },
}

SCSS

$custom: #1b666b;
$custom-light: #659295;
$custom-dark: #000000;

JSON

{
  "hex": "#1b666b",
  "rgb": {
    "r": 27,
    "g": 102,
    "b": 107
  },
  "hsl": {
    "h": 183.75,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.46844,
    "c": 0.07062,
    "h": 201.6
  },
  "luminance": 0.10797
}

Semantic roles & 50–950 ramp

primary

#1B666B

secondary

#A04842

accent

#4F45E3

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060D0D

muted

#7A7D7E

Preview Lab

Preview with #1B666B

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

Preview Lab → · Contrast checker → · Palette generator →