#1B554B#1B554B

#1B554B is a dark, moderate teal. Relative luminance 0.072; OKLCH L 40.9% C 0.062 H 179.5°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B554B
RGB	rgb(27, 85, 75)
HSL	hsl(170, 52%, 22%)
HSV	hsv(170, 68%, 33%)
CMYK	cmyk(68.2%, 0%, 11.8%, 66.7%)
CIE-LAB	lab(32.34, -21.40, 0.32)
CIE-LCH	lch(32.34, 21.40, 179.15°)
OKLab	oklab(40.9% -0.0619 0.0005)
OKLCH	oklch(40.9% 0.062 179.5)
XYZ	xyz(4.9699, 7.2375, 7.7903)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B554B #551B25

analogous

#1B552E #1B554B #1B4255

triadic

#1B554B #4B1B55 #554B1B

tetradic

#1B554B #2E1B55 #551B25 #42551B

square

#1B554B #2E1B55 #551B25 #42551B

split-complementary

#1B554B #551B42 #552E1B

monochromatic

#071714 #0C2722 #1B554B #2A8374 #39B29D

Accessibility & contrast

On white

8.58

#1B554B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1B554B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B554B

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B554B	#FFFFFF	#000000	##FFFFFF
##1B554B	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504B

Deuteranopia (green-blind)

#49494C

Tritanopia (blue-blind)

#005652

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b554b;
/* rgb */ color: rgb(27, 85, 75);
/* oklch */ color: oklch(40.9% 0.062 179.5);

Tailwind

colors: {
  custom: {
    50: '#60857d',
    500: '#1b554b',
    950: '#000000',
  },
}

SCSS

$custom: #1b554b;
$custom-light: #60857d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b554b",
  "rgb": {
    "r": 27,
    "g": 85,
    "b": 75
  },
  "hsl": {
    "h": 169.655,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.40896,
    "c": 0.06191,
    "h": 179.5
  },
  "luminance": 0.07238
}

Semantic roles & 50–950 ramp

primary

#1B554B

secondary

#8B414E

accent

#4D65DB

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B09

muted

#797C7B

Preview Lab

Preview with #1B554B

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

Preview Lab → · Contrast checker → · Palette generator →