#1B665B#1B665B

#1B665B is a mid, moderate teal. Relative luminance 0.105; OKLCH L 46.2% C 0.074 H 181.0°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#1B665B
RGB	rgb(27, 102, 91)
HSL	hsl(171, 58%, 25%)
HSV	hsv(171, 74%, 40%)
CMYK	cmyk(73.5%, 0%, 10.8%, 60%)
CIE-LAB	lab(38.71, -25.33, -0.34)
CIE-LCH	lch(38.71, 25.33, 180.77°)
OKLab	oklab(46.24% -0.0736 -0.0013)
OKLCH	oklch(46.24% 0.074 181)
XYZ	xyz(7.0908, 10.4903, 11.5466)
Luminance	0.1049 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B665B #661B26

analogous

#1B6635 #1B665B #1B4B66

triadic

#1B665B #5B1B66 #665B1B

tetradic

#1B665B #351B66 #661B26 #4B661B

square

#1B665B #351B66 #661B26 #4B661B

split-complementary

#1B665B #661B4B #66351B

monochromatic

#061816 #0E3630 #1B665B #289686 #35C7B1

Accessibility & contrast

On white

6.78

#1B665B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#1B665B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B665B

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B665B	#FFFFFF	#000000	##FFFFFF
##1B665B	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)

#61605B

Deuteranopia (green-blind)

#57585C

Tritanopia (blue-blind)

#006863

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1b665b;
/* rgb */ color: rgb(27, 102, 91);
/* oklch */ color: oklch(46.2% 0.074 181.0);

Tailwind

colors: {
  custom: {
    50: '#649289',
    500: '#1b665b',
    950: '#000000',
  },
}

SCSS

$custom: #1b665b;
$custom-light: #649289;
$custom-dark: #000000;

JSON

{
  "hex": "#1b665b",
  "rgb": {
    "r": 27,
    "g": 102,
    "b": 91
  },
  "hsl": {
    "h": 171.2,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.46242,
    "c": 0.0736,
    "h": 181
  },
  "luminance": 0.10491
}

Semantic roles & 50–950 ramp

primary

#1B665B

secondary

#9B414F

accent

#465DE1

background

#F6F9F8

surface

#EBF1F0

border

#C6CBCB

text

#060D0B

muted

#7A7E7C

Preview Lab

Preview with #1B665B

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

Preview Lab → · Contrast checker → · Palette generator →