#1B554C#1B554C

#1B554C is a dark, moderate teal. Relative luminance 0.073; OKLCH L 40.9% C 0.061 H 181.0°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#1B554C
RGB	rgb(27, 85, 76)
HSL	hsl(171, 52%, 22%)
HSV	hsv(171, 68%, 33%)
CMYK	cmyk(68.2%, 0%, 10.6%, 66.7%)
CIE-LAB	lab(32.37, -21.10, -0.27)
CIE-LCH	lch(32.37, 21.10, 180.73°)
OKLab	oklab(40.93% -0.0614 -0.0011)
OKLCH	oklch(40.93% 0.061 181)
XYZ	xyz(5.0044, 7.2513, 7.9720)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B554C #551B24

analogous

#1B552F #1B554C #1B4155

triadic

#1B554C #4C1B55 #554C1B

tetradic

#1B554C #2F1B55 #551B24 #41551B

square

#1B554C #2F1B55 #551B24 #41551B

split-complementary

#1B554C #551B41 #552F1B

monochromatic

#071715 #0C2722 #1B554C #2A8376 #39B29F

Accessibility & contrast

On white

8.57

#1B554C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1B554C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B554C

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B554C	#FFFFFF	#000000	##FFFFFF
##1B554C	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504C

Deuteranopia (green-blind)

#494A4D

Tritanopia (blue-blind)

#005752

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b554c;
/* rgb */ color: rgb(27, 85, 76);
/* oklch */ color: oklch(40.9% 0.061 181.0);

Tailwind

colors: {
  custom: {
    50: '#60857e',
    500: '#1b554c',
    950: '#000000',
  },
}

SCSS

$custom: #1b554c;
$custom-light: #60857e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b554c",
  "rgb": {
    "r": 27,
    "g": 85,
    "b": 76
  },
  "hsl": {
    "h": 170.69,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.40931,
    "c": 0.0614,
    "h": 181
  },
  "luminance": 0.07252
}

Semantic roles & 50–950 ramp

primary

#1B554C

secondary

#8B414C

accent

#4D63DB

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B09

muted

#797C7B

Preview Lab

Preview with #1B554C

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

Preview Lab → · Contrast checker → · Palette generator →