#1F4E4E#1F4E4E

#1F4E4E is a dark, muted teal. Relative luminance 0.063; OKLCH L 39.2% C 0.051 H 195.3°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E4E
RGB	rgb(31, 78, 78)
HSL	hsl(180, 43%, 21%)
HSV	hsv(180, 60%, 31%)
CMYK	cmyk(60.3%, 0%, 0%, 69.4%)
CIE-LAB	lab(30.13, -15.79, -4.83)
CIE-LCH	lch(30.13, 16.51, 197.02°)
OKLab	oklab(39.18% -0.049 -0.0134)
OKLCH	oklch(39.18% 0.051 195.3)
XYZ	xyz(4.6640, 6.2897, 8.1745)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E4E #4E1F1F

analogous

#1F4E37 #1F4E4E #1F374E

triadic

#1F4E4E #4E1F4E #4E4E1F

tetradic

#1F4E4E #371F4E #4E1F1F #374E1F

square

#1F4E4E #371F4E #4E1F1F #374E1F

split-complementary

#1F4E4E #4E1F37 #4E371F

monochromatic

#091616 #0E2222 #1F4E4E #307A7A #42A6A6

Accessibility & contrast

On white

9.30

#1F4E4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1F4E4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E4E

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E4E	#FFFFFF	#000000	##FFFFFF
##1F4E4E	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494A4E

Deuteranopia (green-blind)

#41454E

Tritanopia (blue-blind)

#00504E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f4e4e;
/* rgb */ color: rgb(31, 78, 78);
/* oklch */ color: oklch(39.2% 0.051 195.3);

Tailwind

colors: {
  custom: {
    50: '#607f7f',
    500: '#1f4e4e',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e4e;
$custom-light: #607f7f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e4e",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 78
  },
  "hsl": {
    "h": 180,
    "s": 43.119,
    "l": 21.373
  },
  "oklch": {
    "l": 0.39176,
    "c": 0.0508,
    "h": 195.3
  },
  "luminance": 0.0629
}

Semantic roles & 50–950 ramp

primary

#1F4E4E

secondary

#834646

accent

#5555D3

background

#F5F7F7

surface

#EAEEEE

border

#C6C9C9

text

#050A0A

muted

#797C7C

Preview Lab

Preview with #1F4E4E

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

Preview Lab → · Contrast checker → · Palette generator →