#1B4F4A#1B4F4A

#1B4F4A is a dark, muted teal. Relative luminance 0.063; OKLCH L 39.1% C 0.055 H 186.4°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#1B4F4A
RGB	rgb(27, 79, 74)
HSL	hsl(174, 49%, 21%)
HSV	hsv(174, 66%, 31%)
CMYK	cmyk(65.8%, 0%, 6.3%, 69%)
CIE-LAB	lab(30.20, -18.49, -2.18)
CIE-LCH	lch(30.20, 18.62, 186.72°)
OKLab	oklab(39.15% -0.055 -0.0062)
OKLCH	oklch(39.15% 0.055 186.4)
XYZ	xyz(4.4835, 6.3189, 7.4606)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4F4A #4F1B20

analogous

#1B4F30 #1B4F4A #1B3A4F

triadic

#1B4F4A #4A1B4F #4F4A1B

tetradic

#1B4F4A #301B4F #4F1B20 #3A4F1B

square

#1B4F4A #301B4F #4F1B20 #3A4F1B

split-complementary

#1B4F4A #4F1B3A #4F301B

monochromatic

#081715 #0B211F #1B4F4A #2B7D75 #3AAA9F

Accessibility & contrast

On white

9.28

#1B4F4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1B4F4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4F4A

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4F4A	#FFFFFF	#000000	##FFFFFF
##1B4F4A	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4B4A

Deuteranopia (green-blind)

#43454B

Tritanopia (blue-blind)

#00514D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b4f4a;
/* rgb */ color: rgb(27, 79, 74);
/* oklch */ color: oklch(39.1% 0.055 186.4);

Tailwind

colors: {
  custom: {
    50: '#5e807c',
    500: '#1b4f4a',
    950: '#000000',
  },
}

SCSS

$custom: #1b4f4a;
$custom-light: #5e807c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4f4a",
  "rgb": {
    "r": 27,
    "g": 79,
    "b": 74
  },
  "hsl": {
    "h": 174.231,
    "s": 49.057,
    "l": 20.784
  },
  "oklch": {
    "l": 0.39149,
    "c": 0.05538,
    "h": 186.4
  },
  "luminance": 0.06319
}

Semantic roles & 50–950 ramp

primary

#1B4F4A

secondary

#854147

accent

#4F5CD9

background

#F5F7F7

surface

#E9EEEE

border

#C5C9C9

text

#050A09

muted

#797C7B

Preview Lab

Preview with #1B4F4A

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

Preview Lab → · Contrast checker → · Palette generator →