#1F4D4E#1F4D4E

#1F4D4E is a dark, muted teal. Relative luminance 0.061; OKLCH L 38.9% C 0.050 H 197.2°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#1F4D4E
RGB	rgb(31, 77, 78)
HSL	hsl(181, 43%, 21%)
HSV	hsv(181, 60%, 31%)
CMYK	cmyk(60.3%, 1.3%, 0%, 69.4%)
CIE-LAB	lab(29.78, -15.22, -5.35)
CIE-LCH	lch(29.78, 16.13, 199.37°)
OKLab	oklab(38.9% -0.0477 -0.0148)
OKLCH	oklch(38.9% 0.05 197.2)
XYZ	xyz(4.5935, 6.1487, 8.1510)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4D4E #4E201F

analogous

#1F4E38 #1F4D4E #1F364E

triadic

#1F4D4E #4E1F4D #4D4E1F

tetradic

#1F4D4E #381F4E #4E201F #364E1F

square

#1F4D4E #381F4E #4E201F #364E1F

split-complementary

#1F4D4E #4E1F36 #4E381F

monochromatic

#091616 #0E2222 #1F4D4E #30787A #42A3A6

Accessibility & contrast

On white

9.42

#1F4D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1F4D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4D4E

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4D4E	#FFFFFF	#000000	##FFFFFF
##1F4D4E	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48494E

Deuteranopia (green-blind)

#40444E

Tritanopia (blue-blind)

#00504D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1f4d4e;
/* rgb */ color: rgb(31, 77, 78);
/* oklch */ color: oklch(38.9% 0.050 197.2);

Tailwind

colors: {
  custom: {
    50: '#607f7f',
    500: '#1f4d4e',
    950: '#000000',
  },
}

SCSS

$custom: #1f4d4e;
$custom-light: #607f7f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4d4e",
  "rgb": {
    "r": 31,
    "g": 77,
    "b": 78
  },
  "hsl": {
    "h": 181.277,
    "s": 43.119,
    "l": 21.373
  },
  "oklch": {
    "l": 0.38896,
    "c": 0.04996,
    "h": 197.2
  },
  "luminance": 0.06149
}

Semantic roles & 50–950 ramp

primary

#1F4D4E

secondary

#834746

accent

#5855D3

background

#F5F7F7

surface

#EAEEEE

border

#C6C9C9

text

#050A0A

muted

#797C7C

Preview Lab

Preview with #1F4D4E

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

Preview Lab → · Contrast checker → · Palette generator →