#1B5331#1B5331

#1B5331 is a dark, moderate green. Relative luminance 0.066; OKLCH L 39.6% C 0.082 H 153.5°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#1B5331
RGB	rgb(27, 83, 49)
HSL	hsl(144, 51%, 22%)
HSV	hsv(144, 67%, 33%)
CMYK	cmyk(67.5%, 0%, 41%, 67.5%)
CIE-LAB	lab(30.98, -27.13, 14.67)
CIE-LCH	lch(30.98, 30.84, 151.61°)
OKLab	oklab(39.56% -0.0735 0.0367)
OKLCH	oklch(39.56% 0.082 153.5)
XYZ	xyz(4.0993, 6.6409, 3.9709)
Luminance	0.0664 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5331 #531B3D

analogous

#21531B #1B5331 #1B534D

triadic

#1B5331 #311B53 #53311B

tetradic

#1B5331 #1B2153 #531B3D #534D1B

square

#1B5331 #1B2153 #531B3D #534D1B

split-complementary

#1B5331 #4D1B53 #531B21

monochromatic

#08170E #0C2516 #1B5331 #2A814C #39AF68

Accessibility & contrast

On white

9.02

#1B5331 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1B5331 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5331

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5331	#FFFFFF	#000000	##FFFFFF
##1B5331	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534C2F

Deuteranopia (green-blind)

#4C4733

Tritanopia (blue-blind)

#05524A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1b5331;
/* rgb */ color: rgb(27, 83, 49);
/* oklch */ color: oklch(39.6% 0.082 153.5);

Tailwind

colors: {
  custom: {
    50: '#5e8469',
    500: '#1b5331',
    950: '#000000',
  },
}

SCSS

$custom: #1b5331;
$custom-light: #5e8469;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5331",
  "rgb": {
    "r": 27,
    "g": 83,
    "b": 49
  },
  "hsl": {
    "h": 143.571,
    "s": 50.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.39563,
    "c": 0.08211,
    "h": 153.5
  },
  "luminance": 0.06641
}

Semantic roles & 50–950 ramp

primary

#1B5331

secondary

#89416D

accent

#4DA3DA

background

#F5F8F6

surface

#E9EFEB

border

#C5CAC6

text

#050B06

muted

#797C7A

Preview Lab

Preview with #1B5331

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

Preview Lab → · Contrast checker → · Palette generator →