#211F05#211F05

#211F05 is a very dark, muted yellow. Relative luminance 0.013; OKLCH L 23.5% C 0.042 H 105.1°. Best body text is #FFFFFF at 16.63:1 contrast (WCAG AA passes).

Color values

HEX	#211F05
RGB	rgb(33, 31, 5)
HSL	hsl(56, 74%, 7%)
HSV	hsv(56, 85%, 13%)
CMYK	cmyk(0%, 6.1%, 84.8%, 87.1%)
CIE-LAB	lab(11.38, -3.39, 14.79)
CIE-LCH	lch(11.38, 15.18, 102.91°)
OKLab	oklab(23.48% -0.011 0.0407)
OKLCH	oklch(23.48% 0.042 105.1)
XYZ	xyz(1.1446, 1.3143, 0.3369)
Luminance	0.0131 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211F05 #050721

analogous

#211105 #211F05 #152105

triadic

#211F05 #05211F #1F0521

tetradic

#211F05 #052111 #050721 #210515

square

#211F05 #052111 #050721 #210515

split-complementary

#211F05 #051521 #110521

monochromatic

#1B1904 #1B1904 #211F05 #56510D #8B8315

Accessibility & contrast

On white

16.63

#211F05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#211F05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211F05

16.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211F05	#FFFFFF	#000000	##FFFFFF
##211F05	1.00	16.63	1.26	16.63
#FFFFFF	16.63	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231E03

Deuteranopia (green-blind)

#231F06

Tritanopia (blue-blind)

#241C19

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #211f05;
/* rgb */ color: rgb(33, 31, 5);
/* oklch */ color: oklch(23.5% 0.042 105.1);

Tailwind

colors: {
  custom: {
    50: '#5c5a49',
    500: '#211f05',
    950: '#000000',
  },
}

SCSS

$custom: #211f05;
$custom-light: #5c5a49;
$custom-dark: #000000;

JSON

{
  "hex": "#211f05",
  "rgb": {
    "r": 33,
    "g": 31,
    "b": 5
  },
  "hsl": {
    "h": 55.714,
    "s": 73.684,
    "l": 7.451
  },
  "oklch": {
    "l": 0.23483,
    "c": 0.0421,
    "h": 105.1
  },
  "luminance": 0.01314
}

Semantic roles & 50–950 ramp

primary

#211F05

secondary

#1F2462

accent

#45F037

background

#F5F5F4

surface

#E9E9E6

border

#C5C5C2

text

#040300

muted

#797877

Preview Lab

Preview with #211F05

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

Preview Lab → · Contrast checker → · Palette generator →