#1F4E37#1F4E37

#1F4E37 is a dark, moderate teal. Relative luminance 0.060; OKLCH L 38.4% C 0.065 H 159.7°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E37
RGB	rgb(31, 78, 55)
HSL	hsl(151, 43%, 21%)
HSV	hsv(151, 60%, 31%)
CMYK	cmyk(60.3%, 0%, 29.5%, 69.4%)
CIE-LAB	lab(29.45, -22.30, 8.89)
CIE-LCH	lch(29.45, 24.01, 158.28°)
OKLab	oklab(38.4% -0.0612 0.0227)
OKLCH	oklch(38.4% 0.065 159.7)
XYZ	xyz(3.9787, 6.0156, 4.5651)
Luminance	0.0602 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E37 #4E1F36

analogous

#1F4E20 #1F4E37 #1F4E4E

triadic

#1F4E37 #371F4E #4E371F

tetradic

#1F4E37 #201F4E #4E1F36 #4E4E1F

square

#1F4E37 #201F4E #4E1F36 #4E4E1F

split-complementary

#1F4E37 #4E1F4E #4E201F

monochromatic

#09160F #0E2218 #1F4E37 #307A56 #42A675

Accessibility & contrast

On white

9.53

#1F4E37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1F4E37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E37

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E37	#FFFFFF	#000000	##FFFFFF
##1F4E37	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4836

Deuteranopia (green-blind)

#464338

Tritanopia (blue-blind)

#0E4E48

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1f4e37;
/* rgb */ color: rgb(31, 78, 55);
/* oklch */ color: oklch(38.4% 0.065 159.7);

Tailwind

colors: {
  custom: {
    50: '#5f806d',
    500: '#1f4e37',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e37;
$custom-light: #5f806d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e37",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 55
  },
  "hsl": {
    "h": 150.638,
    "s": 43.119,
    "l": 21.373
  },
  "oklch": {
    "l": 0.38399,
    "c": 0.06527,
    "h": 159.7
  },
  "luminance": 0.06016
}

Semantic roles & 50–950 ramp

primary

#1F4E37

secondary

#834664

accent

#5593D3

background

#F5F7F6

surface

#E9EEEB

border

#C5C9C6

text

#050A07

muted

#797C7A

Preview Lab

Preview with #1F4E37

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

Preview Lab → · Contrast checker → · Palette generator →