#1B4F4F#1B4F4F

#1B4F4F is a dark, muted teal. Relative luminance 0.064; OKLCH L 39.3% C 0.054 H 195.2°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#1B4F4F
RGB	rgb(27, 79, 79)
HSL	hsl(180, 49%, 21%)
HSV	hsv(180, 66%, 31%)
CMYK	cmyk(65.8%, 0%, 0%, 69%)
CIE-LAB	lab(30.37, -16.90, -5.13)
CIE-LCH	lch(30.37, 17.66, 196.88°)
OKLab	oklab(39.34% -0.0525 -0.0142)
OKLCH	oklch(39.34% 0.054 195.2)
XYZ	xyz(4.6586, 6.3890, 8.3833)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4F4F #4F1B1B

analogous

#1B4F35 #1B4F4F #1B354F

triadic

#1B4F4F #4F1B4F #4F4F1B

tetradic

#1B4F4F #351B4F #4F1B1B #354F1B

square

#1B4F4F #351B4F #4F1B1B #354F1B

split-complementary

#1B4F4F #4F1B35 #4F351B

monochromatic

#081717 #0B2121 #1B4F4F #2B7D7D #3AAAAA

Accessibility & contrast

On white

9.22

#1B4F4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1B4F4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4F4F

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4F4F	#FFFFFF	#000000	##FFFFFF
##1B4F4F	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4B4F

Deuteranopia (green-blind)

#41454F

Tritanopia (blue-blind)

#00524F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b4f4f;
/* rgb */ color: rgb(27, 79, 79);
/* oklch */ color: oklch(39.3% 0.054 195.2);

Tailwind

colors: {
  custom: {
    50: '#5f8080',
    500: '#1b4f4f',
    950: '#000000',
  },
}

SCSS

$custom: #1b4f4f;
$custom-light: #5f8080;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4f4f",
  "rgb": {
    "r": 27,
    "g": 79,
    "b": 79
  },
  "hsl": {
    "h": 180,
    "s": 49.057,
    "l": 20.784
  },
  "oklch": {
    "l": 0.39343,
    "c": 0.05437,
    "h": 195.2
  },
  "luminance": 0.06389
}

Semantic roles & 50–950 ramp

primary

#1B4F4F

secondary

#854141

accent

#4F4FD9

background

#F5F7F7

surface

#EAEEEE

border

#C6C9C9

text

#050A0A

muted

#797C7C

Preview Lab

Preview with #1B4F4F

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

Preview Lab → · Contrast checker → · Palette generator →