#211B05#211B05

#211B05 is a very dark, muted yellow. Relative luminance 0.011; OKLCH L 22.3% C 0.038 H 94.5°. Best body text is #FFFFFF at 17.16:1 contrast (WCAG AA passes).

Color values

HEX	#211B05
RGB	rgb(33, 27, 5)
HSL	hsl(47, 74%, 7%)
HSV	hsv(47, 85%, 13%)
CMYK	cmyk(0%, 18.2%, 84.8%, 87.1%)
CIE-LAB	lab(9.94, -0.57, 12.78)
CIE-LCH	lch(9.94, 12.80, 92.56°)
OKLab	oklab(22.34% -0.0029 0.0375)
OKLCH	oklch(22.34% 0.038 94.5)
XYZ	xyz(1.0466, 1.1182, 0.3043)
Luminance	0.0112 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B05 #050B21

analogous

#210D05 #211B05 #192105

triadic

#211B05 #05211B #1B0521

tetradic

#211B05 #05210D #050B21 #210519

square

#211B05 #05210D #050B21 #210519

split-complementary

#211B05 #051921 #0D0521

monochromatic

#1B1604 #1B1604 #211B05 #56460D #8B7215

Accessibility & contrast

On white

17.16

#211B05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#211B05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B05

17.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B05	#FFFFFF	#000000	##FFFFFF
##211B05	1.00	17.16	1.22	17.16
#FFFFFF	17.16	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1A03

Deuteranopia (green-blind)

#201C06

Tritanopia (blue-blind)

#241816

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #211b05;
/* rgb */ color: rgb(33, 27, 5);
/* oklch */ color: oklch(22.3% 0.038 94.5);

Tailwind

colors: {
  custom: {
    50: '#5c5749',
    500: '#211b05',
    950: '#000000',
  },
}

SCSS

$custom: #211b05;
$custom-light: #5c5749;
$custom-dark: #000000;

JSON

{
  "hex": "#211b05",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 5
  },
  "hsl": {
    "h": 47.143,
    "s": 73.684,
    "l": 7.451
  },
  "oklch": {
    "l": 0.22344,
    "c": 0.03759,
    "h": 94.5
  },
  "luminance": 0.01118
}

Semantic roles & 50–950 ramp

primary

#211B05

secondary

#1F2E62

accent

#5FF037

background

#F5F5F4

surface

#E9E9E6

border

#C5C5C2

text

#040300

muted

#797877

Preview Lab

Preview with #211B05

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

Preview Lab → · Contrast checker → · Palette generator →