#1B4E31#1B4E31

#1B4E31 is a dark, moderate green. Relative luminance 0.059; OKLCH L 38.1% C 0.074 H 155.4°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E31
RGB	rgb(27, 78, 49)
HSL	hsl(146, 49%, 21%)
HSV	hsv(146, 65%, 31%)
CMYK	cmyk(65.4%, 0%, 37.2%, 69.4%)
CIE-LAB	lab(29.17, -24.77, 12.24)
CIE-LCH	lch(29.17, 27.63, 153.70°)
OKLab	oklab(38.08% -0.0673 0.0308)
OKLCH	oklch(38.08% 0.074 155.4)
XYZ	xyz(3.7304, 5.9032, 3.8480)
Luminance	0.0590 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E31 #4E1B38

analogous

#1F4E1B #1B4E31 #1B4E4A

triadic

#1B4E31 #311B4E #4E311B

tetradic

#1B4E31 #1B1F4E #4E1B38 #4E4A1B

square

#1B4E31 #1B1F4E #4E1B38 #4E4A1B

split-complementary

#1B4E31 #4A1B4E #4E1B1F

monochromatic

#08170E #0B2114 #1B4E31 #2B7B4E #3AA96A

Accessibility & contrast

On white

9.63

#1B4E31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1B4E31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E31

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E31	#FFFFFF	#000000	##FFFFFF
##1B4E31	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E482F

Deuteranopia (green-blind)

#474333

Tritanopia (blue-blind)

#084D46

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1b4e31;
/* rgb */ color: rgb(27, 78, 49);
/* oklch */ color: oklch(38.1% 0.074 155.4);

Tailwind

colors: {
  custom: {
    50: '#5d8069',
    500: '#1b4e31',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e31;
$custom-light: #5d8069;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e31",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 49
  },
  "hsl": {
    "h": 145.882,
    "s": 48.571,
    "l": 20.588
  },
  "oklch": {
    "l": 0.38079,
    "c": 0.07402,
    "h": 155.4
  },
  "luminance": 0.05904
}

Semantic roles & 50–950 ramp

primary

#1B4E31

secondary

#844167

accent

#509DD8

background

#F5F7F6

surface

#E9EEEB

border

#C5C9C6

text

#040A06

muted

#797C7A

Preview Lab

Preview with #1B4E31

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

Preview Lab → · Contrast checker → · Palette generator →