#1B4E4A#1B4E4A

#1B4E4A is a dark, muted teal. Relative luminance 0.062; OKLCH L 38.9% C 0.054 H 188.0°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E4A
RGB	rgb(27, 78, 74)
HSL	hsl(175, 49%, 21%)
HSV	hsv(175, 65%, 31%)
CMYK	cmyk(65.4%, 0%, 5.1%, 69.4%)
CIE-LAB	lab(29.85, -17.94, -2.70)
CIE-LCH	lch(29.85, 18.14, 188.55°)
OKLab	oklab(38.86% -0.0538 -0.0076)
OKLCH	oklch(38.86% 0.054 188)
XYZ	xyz(4.4119, 6.1757, 7.4368)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E4A #4E1B1F

analogous

#1B4E30 #1B4E4A #1B384E

triadic

#1B4E4A #4A1B4E #4E4A1B

tetradic

#1B4E4A #301B4E #4E1B1F #384E1B

square

#1B4E4A #301B4E #4E1B1F #384E1B

split-complementary

#1B4E4A #4E1B38 #4E301B

monochromatic

#081716 #0B211F #1B4E4A #2B7B75 #3AA9A0

Accessibility & contrast

On white

9.40

#1B4E4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1B4E4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E4A

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E4A	#FFFFFF	#000000	##FFFFFF
##1B4E4A	1.00	9.40	2.24	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4A4A

Deuteranopia (green-blind)

#42444B

Tritanopia (blue-blind)

#00504D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b4e4a;
/* rgb */ color: rgb(27, 78, 74);
/* oklch */ color: oklch(38.9% 0.054 188.0);

Tailwind

colors: {
  custom: {
    50: '#5e807c',
    500: '#1b4e4a',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e4a;
$custom-light: #5e807c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e4a",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 74
  },
  "hsl": {
    "h": 175.294,
    "s": 48.571,
    "l": 20.588
  },
  "oklch": {
    "l": 0.38864,
    "c": 0.05431,
    "h": 188
  },
  "luminance": 0.06176
}

Semantic roles & 50–950 ramp

primary

#1B4E4A

secondary

#844146

accent

#505AD8

background

#F5F7F7

surface

#E9EEEE

border

#C5C9C9

text

#050A09

muted

#797C7B

Preview Lab

Preview with #1B4E4A

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

Preview Lab → · Contrast checker → · Palette generator →