#1B554E#1B554E

#1B554E is a dark, moderate teal. Relative luminance 0.073; OKLCH L 41.0% C 0.060 H 184.0°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#1B554E
RGB	rgb(27, 85, 78)
HSL	hsl(173, 52%, 22%)
HSV	hsv(173, 68%, 33%)
CMYK	cmyk(68.2%, 0%, 8.2%, 66.7%)
CIE-LAB	lab(32.43, -20.49, -1.44)
CIE-LCH	lch(32.43, 20.54, 184.03°)
OKLab	oklab(41% -0.0603 -0.0042)
OKLCH	oklch(41% 0.06 184)
XYZ	xyz(5.0750, 7.2795, 8.3439)
Luminance	0.0728 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B554E #551B22

analogous

#1B5531 #1B554E #1B3F55

triadic

#1B554E #4E1B55 #554E1B

tetradic

#1B554E #311B55 #551B22 #3F551B

square

#1B554E #311B55 #551B22 #3F551B

split-complementary

#1B554E #551B3F #55311B

monochromatic

#071715 #0C2723 #1B554E #2A8379 #39B2A3

Accessibility & contrast

On white

8.55

#1B554E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1B554E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B554E

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B554E	#FFFFFF	#000000	##FFFFFF
##1B554E	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504E

Deuteranopia (green-blind)

#484A4F

Tritanopia (blue-blind)

#005753

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b554e;
/* rgb */ color: rgb(27, 85, 78);
/* oklch */ color: oklch(41.0% 0.060 184.0);

Tailwind

colors: {
  custom: {
    50: '#60857f',
    500: '#1b554e',
    950: '#000000',
  },
}

SCSS

$custom: #1b554e;
$custom-light: #60857f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b554e",
  "rgb": {
    "r": 27,
    "g": 85,
    "b": 78
  },
  "hsl": {
    "h": 172.759,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41003,
    "c": 0.06049,
    "h": 184
  },
  "luminance": 0.0728
}

Semantic roles & 50–950 ramp

primary

#1B554E

secondary

#8B414A

accent

#4D5EDB

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #1B554E

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

Preview Lab → · Contrast checker → · Palette generator →