#1B554D#1B554D

#1B554D is a dark, moderate teal. Relative luminance 0.073; OKLCH L 41.0% C 0.061 H 182.5°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#1B554D
RGB	rgb(27, 85, 77)
HSL	hsl(172, 52%, 22%)
HSV	hsv(172, 68%, 33%)
CMYK	cmyk(68.2%, 0%, 9.4%, 66.7%)
CIE-LAB	lab(32.40, -20.80, -0.86)
CIE-LCH	lch(32.40, 20.81, 182.36°)
OKLab	oklab(40.97% -0.0609 -0.0026)
OKLCH	oklch(40.97% 0.061 182.5)
XYZ	xyz(5.0394, 7.2653, 8.1565)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B554D #551B23

analogous

#1B5530 #1B554D #1B4055

triadic

#1B554D #4D1B55 #554D1B

tetradic

#1B554D #301B55 #551B23 #40551B

square

#1B554D #301B55 #551B23 #40551B

split-complementary

#1B554D #551B40 #55301B

monochromatic

#071715 #0C2723 #1B554D #2A8377 #39B2A1

Accessibility & contrast

On white

8.56

#1B554D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1B554D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B554D

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B554D	#FFFFFF	#000000	##FFFFFF
##1B554D	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504D

Deuteranopia (green-blind)

#484A4E

Tritanopia (blue-blind)

#005752

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b554d;
/* rgb */ color: rgb(27, 85, 77);
/* oklch */ color: oklch(41.0% 0.061 182.5);

Tailwind

colors: {
  custom: {
    50: '#60857e',
    500: '#1b554d',
    950: '#000000',
  },
}

SCSS

$custom: #1b554d;
$custom-light: #60857e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b554d",
  "rgb": {
    "r": 27,
    "g": 85,
    "b": 77
  },
  "hsl": {
    "h": 171.724,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.40967,
    "c": 0.06092,
    "h": 182.5
  },
  "luminance": 0.07266
}

Semantic roles & 50–950 ramp

primary

#1B554D

secondary

#8B414B

accent

#4D60DB

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #1B554D

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

Preview Lab → · Contrast checker → · Palette generator →