#1F666B#1F666B

#1F666B is a mid, moderate teal. Relative luminance 0.109; OKLCH L 47.0% C 0.069 H 201.8°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#1F666B
RGB	rgb(31, 102, 107)
HSL	hsl(184, 55%, 27%)
HSV	hsv(184, 71%, 42%)
CMYK	cmyk(71%, 4.7%, 0%, 58%)
CIE-LAB	lab(39.33, -19.67, -9.21)
CIE-LCH	lch(39.33, 21.72, 205.09°)
OKLab	oklab(46.95% -0.0637 -0.0255)
OKLCH	oklch(46.95% 0.069 201.8)
XYZ	xyz(7.9691, 10.8547, 15.5822)
Luminance	0.1086 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F666B #6B241F

analogous

#1F6B4A #1F666B #1F406B

triadic

#1F666B #6B1F66 #666B1F

tetradic

#1F666B #4A1F6B #6B241F #406B1F

square

#1F666B #4A1F6B #6B241F #406B1F

split-complementary

#1F666B #6B1F40 #6B4A1F

monochromatic

#071718 #11393C #1F666B #2D939A #3DBEC7

Accessibility & contrast

On white

6.62

#1F666B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#1F666B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F666B

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F666B	#FFFFFF	#000000	##FFFFFF
##1F666B	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E616B

Deuteranopia (green-blind)

#53596B

Tritanopia (blue-blind)

#006A67

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1f666b;
/* rgb */ color: rgb(31, 102, 107);
/* oklch */ color: oklch(47.0% 0.069 201.8);

Tailwind

colors: {
  custom: {
    50: '#679295',
    500: '#1f666b',
    950: '#000000',
  },
}

SCSS

$custom: #1f666b;
$custom-light: #679295;
$custom-dark: #000000;

JSON

{
  "hex": "#1f666b",
  "rgb": {
    "r": 31,
    "g": 102,
    "b": 107
  },
  "hsl": {
    "h": 183.947,
    "s": 55.072,
    "l": 27.059
  },
  "oklch": {
    "l": 0.46953,
    "c": 0.06863,
    "h": 201.8
  },
  "luminance": 0.10856
}

Semantic roles & 50–950 ramp

primary

#1F666B

secondary

#9F4C47

accent

#5349DE

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#070D0D

muted

#7A7D7E

Preview Lab

Preview with #1F666B

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

Preview Lab → · Contrast checker → · Palette generator →