#284B33#284B33

#284B33 is a dark, muted green. Relative luminance 0.057; OKLCH L 37.9% C 0.058 H 152.9°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#284B33
RGB	rgb(40, 75, 51)
HSL	hsl(139, 30%, 23%)
HSV	hsv(139, 47%, 29%)
CMYK	cmyk(46.7%, 0%, 32%, 70.6%)
CIE-LAB	lab(28.70, -18.92, 10.44)
CIE-LCH	lch(28.70, 21.61, 151.11°)
OKLab	oklab(37.87% -0.0518 0.0265)
OKLCH	oklch(37.87% 0.058 152.9)
XYZ	xyz(3.9884, 5.7220, 4.0256)
Luminance	0.0572 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284B33 #4B2840

analogous

#2E4B28 #284B33 #284B44

triadic

#284B33 #33284B #4B3328

tetradic

#284B33 #282E4B #4B2840 #4B4428

square

#284B33 #282E4B #4B2840 #4B4428

split-complementary

#284B33 #44284B #4B282E

monochromatic

#0B140E #132318 #284B33 #3D734E #539B69

Accessibility & contrast

On white

9.79

#284B33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#284B33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284B33

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284B33	#FFFFFF	#000000	##FFFFFF
##284B33	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4632

Deuteranopia (green-blind)

#464234

Tritanopia (blue-blind)

#214A45

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #284b33;
/* rgb */ color: rgb(40, 75, 51);
/* oklch */ color: oklch(37.9% 0.058 152.9);

Tailwind

colors: {
  custom: {
    50: '#647d6a',
    500: '#284b33',
    950: '#000000',
  },
}

SCSS

$custom: #284b33;
$custom-light: #647d6a;
$custom-dark: #000000;

JSON

{
  "hex": "#284b33",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 51
  },
  "hsl": {
    "h": 138.857,
    "s": 30.435,
    "l": 22.549
  },
  "oklch": {
    "l": 0.37869,
    "c": 0.05814,
    "h": 152.9
  },
  "luminance": 0.05722
}

Semantic roles & 50–950 ramp

primary

#284B33

secondary

#7D5170

accent

#61A7C7

background

#F6F7F6

surface

#EBEEEB

border

#C6C9C6

text

#050906

muted

#7A7B7A

Preview Lab

Preview with #284B33

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

Preview Lab → · Contrast checker → · Palette generator →