#1B554F#1B554F

#1B554F is a dark, moderate teal. Relative luminance 0.073; OKLCH L 41.0% C 0.060 H 185.5°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#1B554F
RGB	rgb(27, 85, 79)
HSL	hsl(174, 52%, 22%)
HSV	hsv(174, 68%, 33%)
CMYK	cmyk(68.2%, 0%, 7.1%, 66.7%)
CIE-LAB	lab(32.47, -20.18, -2.03)
CIE-LCH	lch(32.47, 20.29, 185.74°)
OKLab	oklab(41.04% -0.0598 -0.0058)
OKLCH	oklch(41.04% 0.06 185.5)
XYZ	xyz(5.1111, 7.2940, 8.5341)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B554F #551B21

analogous

#1B5532 #1B554F #1B3E55

triadic

#1B554F #4F1B55 #554F1B

tetradic

#1B554F #321B55 #551B21 #3E551B

square

#1B554F #321B55 #551B21 #3E551B

split-complementary

#1B554F #551B3E #55321B

monochromatic

#071716 #0C2724 #1B554F #2A837A #39B2A5

Accessibility & contrast

On white

8.54

#1B554F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1B554F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B554F

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B554F	#FFFFFF	#000000	##FFFFFF
##1B554F	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504F

Deuteranopia (green-blind)

#484A50

Tritanopia (blue-blind)

#005753

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b554f;
/* rgb */ color: rgb(27, 85, 79);
/* oklch */ color: oklch(41.0% 0.060 185.5);

Tailwind

colors: {
  custom: {
    50: '#608580',
    500: '#1b554f',
    950: '#000000',
  },
}

SCSS

$custom: #1b554f;
$custom-light: #608580;
$custom-dark: #000000;

JSON

{
  "hex": "#1b554f",
  "rgb": {
    "r": 27,
    "g": 85,
    "b": 79
  },
  "hsl": {
    "h": 173.793,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.4104,
    "c": 0.0601,
    "h": 185.5
  },
  "luminance": 0.07295
}

Semantic roles & 50–950 ramp

primary

#1B554F

secondary

#8B4149

accent

#4D5BDB

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #1B554F

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

Preview Lab → · Contrast checker → · Palette generator →