#1B4A4E#1B4A4E

#1B4A4E is a dark, muted teal. Relative luminance 0.057; OKLCH L 37.9% C 0.051 H 203.0°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#1B4A4E
RGB	rgb(27, 74, 78)
HSL	hsl(185, 49%, 21%)
HSV	hsv(185, 65%, 31%)
CMYK	cmyk(65.4%, 5.1%, 0%, 69.4%)
CIE-LAB	lab(28.59, -14.38, -7.16)
CIE-LCH	lch(28.59, 16.06, 206.45°)
OKLab	oklab(37.89% -0.0467 -0.0198)
OKLCH	oklch(37.89% 0.051 203)
XYZ	xyz(4.2753, 5.6802, 8.0773)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4A4E #4E1F1B

analogous

#1B4E38 #1B4A4E #1B304E

triadic

#1B4A4E #4E1B4A #4A4E1B

tetradic

#1B4A4E #381B4E #4E1F1B #304E1B

square

#1B4A4E #381B4E #4E1F1B #304E1B

split-complementary

#1B4A4E #4E1B30 #4E381B

monochromatic

#081617 #0B1F21 #1B4A4E #2B757B #3AA0A9

Accessibility & contrast

On white

9.83

#1B4A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1B4A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4A4E

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4A4E	#FFFFFF	#000000	##FFFFFF
##1B4A4E	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44474E

Deuteranopia (green-blind)

#3C414E

Tritanopia (blue-blind)

#004D4B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1b4a4e;
/* rgb */ color: rgb(27, 74, 78);
/* oklch */ color: oklch(37.9% 0.051 203.0);

Tailwind

colors: {
  custom: {
    50: '#5e7c7f',
    500: '#1b4a4e',
    950: '#000000',
  },
}

SCSS

$custom: #1b4a4e;
$custom-light: #5e7c7f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4a4e",
  "rgb": {
    "r": 27,
    "g": 74,
    "b": 78
  },
  "hsl": {
    "h": 184.706,
    "s": 48.571,
    "l": 20.588
  },
  "oklch": {
    "l": 0.37892,
    "c": 0.05075,
    "h": 203
  },
  "luminance": 0.05681
}

Semantic roles & 50–950 ramp

primary

#1B4A4E

secondary

#844641

accent

#5A50D8

background

#F5F7F7

surface

#E9EEEE

border

#C5C9C9

text

#05090A

muted

#797B7C

Preview Lab

Preview with #1B4A4E

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

Preview Lab → · Contrast checker → · Palette generator →