#1B4C4E#1B4C4E

#1B4C4E is a dark, muted teal. Relative luminance 0.060; OKLCH L 38.5% C 0.052 H 199.0°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B4C4E
RGB	rgb(27, 76, 78)
HSL	hsl(182, 49%, 21%)
HSV	hsv(182, 65%, 31%)
CMYK	cmyk(65.4%, 2.6%, 0%, 69.4%)
CIE-LAB	lab(29.29, -15.53, -6.11)
CIE-LCH	lch(29.29, 16.69, 201.46°)
OKLab	oklab(38.46% -0.0492 -0.0169)
OKLCH	oklch(38.46% 0.052 199)
XYZ	xyz(4.4110, 5.9515, 8.1225)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4C4E #4E1D1B

analogous

#1B4E36 #1B4C4E #1B324E

triadic

#1B4C4E #4E1B4C #4C4E1B

tetradic

#1B4C4E #361B4E #4E1D1B #324E1B

square

#1B4C4E #361B4E #4E1D1B #324E1B

split-complementary

#1B4C4E #4E1B32 #4E361B

monochromatic

#081617 #0B2021 #1B4C4E #2B787B #3AA5A9

Accessibility & contrast

On white

9.59

#1B4C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1B4C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4C4E

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4C4E	#FFFFFF	#000000	##FFFFFF
##1B4C4E	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47484E

Deuteranopia (green-blind)

#3E424E

Tritanopia (blue-blind)

#004F4C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1b4c4e;
/* rgb */ color: rgb(27, 76, 78);
/* oklch */ color: oklch(38.5% 0.052 199.0);

Tailwind

colors: {
  custom: {
    50: '#5e7e7f',
    500: '#1b4c4e',
    950: '#000000',
  },
}

SCSS

$custom: #1b4c4e;
$custom-light: #5e7e7f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4c4e",
  "rgb": {
    "r": 27,
    "g": 76,
    "b": 78
  },
  "hsl": {
    "h": 182.353,
    "s": 48.571,
    "l": 20.588
  },
  "oklch": {
    "l": 0.38456,
    "c": 0.05206,
    "h": 199
  },
  "luminance": 0.05952
}

Semantic roles & 50–950 ramp

primary

#1B4C4E

secondary

#844441

accent

#5550D8

background

#F5F7F7

surface

#E9EEEE

border

#C5C9C9

text

#050A0A

muted

#797C7C

Preview Lab

Preview with #1B4C4E

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

Preview Lab → · Contrast checker → · Palette generator →