#313F33#313F33

#313F33 is a dark, muted green. Relative luminance 0.044; OKLCH L 35.1% C 0.028 H 149.0°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#313F33
RGB	rgb(49, 63, 51)
HSL	hsl(129, 13%, 22%)
HSV	hsv(129, 22%, 25%)
CMYK	cmyk(22.2%, 0%, 19%, 75.3%)
CIE-LAB	lab(25.10, -8.58, 5.51)
CIE-LCH	lch(25.10, 10.20, 147.30°)
OKLab	oklab(35.12% -0.0236 0.0142)
OKLCH	oklch(35.12% 0.028 149)
XYZ	xyz(3.6415, 4.4469, 3.7978)
Luminance	0.0445 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313F33 #3F313D

analogous

#363F31 #313F33 #313F3A

triadic

#313F33 #33313F #3F3331

tetradic

#313F33 #31363F #3F313D #3F3A31

square

#313F33 #31363F #3F313D #3F3A31

split-complementary

#313F33 #3A313F #3F3136

monochromatic

#0D110E #161D17 #313F33 #4C614F #67846B

Accessibility & contrast

On white

11.11

#313F33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#313F33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313F33

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313F33	#FFFFFF	#000000	##FFFFFF
##313F33	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3C32

Deuteranopia (green-blind)

#3D3B34

Tritanopia (blue-blind)

#2F3E3C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #313f33;
/* rgb */ color: rgb(49, 63, 51);
/* oklch */ color: oklch(35.1% 0.028 149.0);

Tailwind

colors: {
  custom: {
    50: '#69746a',
    500: '#313f33',
    950: '#000000',
  },
}

SCSS

$custom: #313f33;
$custom-light: #69746a;
$custom-dark: #000000;

JSON

{
  "hex": "#313f33",
  "rgb": {
    "r": 49,
    "g": 63,
    "b": 51
  },
  "hsl": {
    "h": 128.571,
    "s": 12.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.35118,
    "c": 0.02757,
    "h": 149
  },
  "luminance": 0.04447
}

Semantic roles & 50–950 ramp

primary

#313F33

secondary

#6F5D6C

accent

#72ACB5

background

#F6F7F6

surface

#EBEDEB

border

#C6C8C6

text

#060806

muted

#7A7B7A

Preview Lab

Preview with #313F33

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

Preview Lab → · Contrast checker → · Palette generator →