#1B666F#1B666F

#1B666F is a mid, moderate teal. Relative luminance 0.109; OKLCH L 47.0% C 0.071 H 206.8°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#1B666F
RGB	rgb(27, 102, 111)
HSL	hsl(186, 61%, 27%)
HSV	hsv(186, 76%, 44%)
CMYK	cmyk(75.7%, 8.1%, 0%, 56.5%)
CIE-LAB	lab(39.38, -18.94, -11.59)
CIE-LCH	lch(39.38, 22.21, 211.47°)
OKLab	oklab(47.01% -0.0638 -0.0322)
OKLCH	oklch(47.01% 0.071 206.8)
XYZ	xyz(8.0714, 10.8825, 16.7110)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B666F #6F241B

analogous

#1B6F4E #1B666F #1B3C6F

triadic

#1B666F #6F1B66 #666F1B

tetradic

#1B666F #4E1B6F #6F241B #3C6F1B

square

#1B666F #4E1B6F #6F241B #3C6F1B

split-complementary

#1B666F #6F1B3C #6F4E1B

monochromatic

#061719 #0F393E #1B666F #2793A0 #36BECE

Accessibility & contrast

On white

6.61

#1B666F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#1B666F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B666F

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B666F	#FFFFFF	#000000	##FFFFFF
##1B666F	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6270

Deuteranopia (green-blind)

#51596F

Tritanopia (blue-blind)

#006B69

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1b666f;
/* rgb */ color: rgb(27, 102, 111);
/* oklch */ color: oklch(47.0% 0.071 206.8);

Tailwind

colors: {
  custom: {
    50: '#669298',
    500: '#1b666f',
    950: '#000000',
  },
}

SCSS

$custom: #1b666f;
$custom-light: #669298;
$custom-dark: #000000;

JSON

{
  "hex": "#1b666f",
  "rgb": {
    "r": 27,
    "g": 102,
    "b": 111
  },
  "hsl": {
    "h": 186.429,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.47011,
    "c": 0.07147,
    "h": 206.8
  },
  "luminance": 0.10883
}

Semantic roles & 50–950 ramp

primary

#1B666F

secondary

#A44C42

accent

#5544E4

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060D0D

muted

#7A7D7E

Preview Lab

Preview with #1B666F

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

Preview Lab → · Contrast checker → · Palette generator →