#211C00#211C00

#211C00 is a very dark, muted yellow. Relative luminance 0.012; OKLCH L 22.5% C 0.047 H 100.0°. Best body text is #FFFFFF at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#211C00
RGB	rgb(33, 28, 0)
HSL	hsl(51, 100%, 6%)
HSV	hsv(51, 100%, 13%)
CMYK	cmyk(0%, 15.2%, 100%, 87.1%)
CIE-LAB	lab(10.21, -1.89, 15.21)
CIE-LCH	lch(10.21, 15.33, 97.10°)
OKLab	oklab(22.53% -0.0081 0.0461)
OKLCH	oklch(22.53% 0.047 100)
XYZ	xyz(1.0425, 1.1539, 0.1678)
Luminance	0.0115 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211C00 #000521

analogous

#210C00 #211C00 #162100

triadic

#211C00 #00211C #1C0021

tetradic

#211C00 #00210C #000521 #210016

square

#211C00 #00210C #000521 #210016

split-complementary

#211C00 #001621 #0C0021

monochromatic

#1F1A00 #1F1A00 #211C00 #5E5000 #9B8400

Accessibility & contrast

On white

17.06

#211C00 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#211C00 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211C00

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211C00	#FFFFFF	#000000	##FFFFFF
##211C00	1.00	17.06	1.23	17.06
#FFFFFF	17.06	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201B00

Deuteranopia (green-blind)

#211D01

Tritanopia (blue-blind)

#251916

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #211c00;
/* rgb */ color: rgb(33, 28, 0);
/* oklch */ color: oklch(22.5% 0.047 100.0);

Tailwind

colors: {
  custom: {
    50: '#5c5746',
    500: '#211c00',
    950: '#000000',
  },
}

SCSS

$custom: #211c00;
$custom-light: #5c5746;
$custom-dark: #000000;

JSON

{
  "hex": "#211c00",
  "rgb": {
    "r": 33,
    "g": 28,
    "b": 0
  },
  "hsl": {
    "h": 50.909,
    "s": 100,
    "l": 6.471
  },
  "oklch": {
    "l": 0.22534,
    "c": 0.04685,
    "h": 100
  },
  "luminance": 0.01154
}

Semantic roles & 50–950 ramp

primary

#211C00

secondary

#13206A

accent

#49FF29

background

#F5F5F3

surface

#E9E9E5

border

#C5C5C1

text

#040300

muted

#797877

Preview Lab

Preview with #211C00

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

Preview Lab → · Contrast checker → · Palette generator →