#211C01#211C01

#211C01 is a very dark, muted yellow. Relative luminance 0.012; OKLCH L 22.6% C 0.045 H 99.5°. Best body text is #FFFFFF at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#211C01
RGB	rgb(33, 28, 1)
HSL	hsl(51, 94%, 7%)
HSV	hsv(51, 97%, 13%)
CMYK	cmyk(0%, 15.2%, 97%, 87.1%)
CIE-LAB	lab(10.23, -1.77, 14.82)
CIE-LCH	lch(10.23, 14.93, 96.81°)
OKLab	oklab(22.55% -0.0075 0.0445)
OKLCH	oklch(22.55% 0.045 99.5)
XYZ	xyz(1.0480, 1.1561, 0.1967)
Luminance	0.0116 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211C01 #010621

analogous

#210C01 #211C01 #162101

triadic

#211C01 #01211C #1C0121

tetradic

#211C01 #01210C #010621 #210116

square

#211C01 #01210C #010621 #210116

split-complementary

#211C01 #011621 #0C0121

monochromatic

#1E1901 #1E1901 #211C01 #5C4E03 #988105

Accessibility & contrast

On white

17.06

#211C01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#211C01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211C01

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211C01	#FFFFFF	#000000	##FFFFFF
##211C01	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)

#211D02

Tritanopia (blue-blind)

#251916

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #211c01;
/* rgb */ color: rgb(33, 28, 1);
/* oklch */ color: oklch(22.6% 0.045 99.5);

Tailwind

colors: {
  custom: {
    50: '#5c5747',
    500: '#211c01',
    950: '#000000',
  },
}

SCSS

$custom: #211c01;
$custom-light: #5c5747;
$custom-dark: #000000;

JSON

{
  "hex": "#211c01",
  "rgb": {
    "r": 33,
    "g": 28,
    "b": 1
  },
  "hsl": {
    "h": 50.625,
    "s": 94.118,
    "l": 6.667
  },
  "oklch": {
    "l": 0.22552,
    "c": 0.04509,
    "h": 99.5
  },
  "luminance": 0.01156
}

Semantic roles & 50–950 ramp

primary

#211C01

secondary

#152268

accent

#4AFF29

background

#F5F5F3

surface

#E9E9E5

border

#C5C5C1

text

#040300

muted

#797877

Preview Lab

Preview with #211C01

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

Preview Lab → · Contrast checker → · Palette generator →