#1B554A#1B554A

#1B554A is a dark, moderate teal. Relative luminance 0.072; OKLCH L 40.9% C 0.062 H 178.1°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B554A
RGB	rgb(27, 85, 74)
HSL	hsl(169, 52%, 22%)
HSV	hsv(169, 68%, 33%)
CMYK	cmyk(68.2%, 0%, 12.9%, 66.7%)
CIE-LAB	lab(32.31, -21.70, 0.91)
CIE-LCH	lch(32.31, 21.71, 177.61°)
OKLab	oklab(40.86% -0.0624 0.0021)
OKLCH	oklch(40.86% 0.062 178.1)
XYZ	xyz(4.9359, 7.2239, 7.6115)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B554A #551B26

analogous

#1B552D #1B554A #1B4355

triadic

#1B554A #4A1B55 #554A1B

tetradic

#1B554A #2D1B55 #551B26 #43551B

square

#1B554A #2D1B55 #551B26 #43551B

split-complementary

#1B554A #551B43 #552D1B

monochromatic

#071714 #0C2722 #1B554A #2A8372 #39B29B

Accessibility & contrast

On white

8.59

#1B554A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1B554A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B554A

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B554A	#FFFFFF	#000000	##FFFFFF
##1B554A	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504A

Deuteranopia (green-blind)

#49494B

Tritanopia (blue-blind)

#005652

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b554a;
/* rgb */ color: rgb(27, 85, 74);
/* oklch */ color: oklch(40.9% 0.062 178.1);

Tailwind

colors: {
  custom: {
    50: '#5f857c',
    500: '#1b554a',
    950: '#000000',
  },
}

SCSS

$custom: #1b554a;
$custom-light: #5f857c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b554a",
  "rgb": {
    "r": 27,
    "g": 85,
    "b": 74
  },
  "hsl": {
    "h": 168.621,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.40862,
    "c": 0.06247,
    "h": 178.1
  },
  "luminance": 0.07224
}

Semantic roles & 50–950 ramp

primary

#1B554A

secondary

#8B414F

accent

#4D68DB

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B09

muted

#797C7B

Preview Lab

Preview with #1B554A

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

Preview Lab → · Contrast checker → · Palette generator →