#1B4E33#1B4E33

#1B4E33 is a dark, moderate green. Relative luminance 0.059; OKLCH L 38.1% C 0.072 H 157.1°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E33
RGB	rgb(27, 78, 51)
HSL	hsl(148, 49%, 21%)
HSV	hsv(148, 65%, 31%)
CMYK	cmyk(65.4%, 0%, 34.6%, 69.4%)
CIE-LAB	lab(29.21, -24.30, 11.05)
CIE-LCH	lch(29.21, 26.70, 155.55°)
OKLab	oklab(38.13% -0.0662 0.028)
OKLCH	oklch(38.13% 0.072 157.1)
XYZ	xyz(3.7736, 5.9204, 4.0752)
Luminance	0.0592 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E33 #4E1B36

analogous

#1D4E1B #1B4E33 #1B4E4C

triadic

#1B4E33 #331B4E #4E331B

tetradic

#1B4E33 #1B1D4E #4E1B36 #4E4C1B

square

#1B4E33 #1B1D4E #4E1B36 #4E4C1B

split-complementary

#1B4E33 #4C1B4E #4E1B1D

monochromatic

#08170F #0B2115 #1B4E33 #2B7B51 #3AA96E

Accessibility & contrast

On white

9.61

#1B4E33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1B4E33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E33

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E33	#FFFFFF	#000000	##FFFFFF
##1B4E33	1.00	9.61	2.18	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4831

Deuteranopia (green-blind)

#464335

Tritanopia (blue-blind)

#074D47

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1b4e33;
/* rgb */ color: rgb(27, 78, 51);
/* oklch */ color: oklch(38.1% 0.072 157.1);

Tailwind

colors: {
  custom: {
    50: '#5d806a',
    500: '#1b4e33',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e33;
$custom-light: #5d806a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e33",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 51
  },
  "hsl": {
    "h": 148.235,
    "s": 48.571,
    "l": 20.588
  },
  "oklch": {
    "l": 0.3813,
    "c": 0.07187,
    "h": 157.1
  },
  "luminance": 0.05921
}

Semantic roles & 50–950 ramp

primary

#1B4E33

secondary

#844164

accent

#5098D8

background

#F5F7F6

surface

#E9EEEB

border

#C5C9C6

text

#040A06

muted

#797C7A

Preview Lab

Preview with #1B4E33

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

Preview Lab → · Contrast checker → · Palette generator →