#212B01#212B01

#212B01 is a dark, moderate yellow-green. Relative luminance 0.021; OKLCH L 27.0% C 0.064 H 122.4°. Best body text is #FFFFFF at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#212B01
RGB	rgb(33, 43, 1)
HSL	hsl(74, 95%, 9%)
HSV	hsv(74, 98%, 17%)
CMYK	cmyk(23.3%, 0%, 97.7%, 83.1%)
CIE-LAB	lab(15.76, -11.59, 22.23)
CIE-LCH	lch(15.76, 25.07, 117.55°)
OKLab	oklab(26.99% -0.0345 0.0544)
OKLCH	oklch(26.99% 0.064 122.4)
XYZ	xyz(1.4966, 2.0533, 0.3462)
Luminance	0.0205 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212B01 #0B012B

analogous

#2B2001 #212B01 #0C2B01

triadic

#212B01 #01212B #2B0121

tetradic

#212B01 #012B20 #0B012B #2B010C

square

#212B01 #012B20 #0B012B #2B010C

split-complementary

#212B01 #010C2B #20012B

monochromatic

#171E01 #171E01 #212B01 #4F6702 #7DA304

Accessibility & contrast

On white

14.89

#212B01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#212B01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212B01

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212B01	#FFFFFF	#000000	##FFFFFF
##212B01	1.00	14.89	1.41	14.89
#FFFFFF	14.89	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2800

Deuteranopia (green-blind)

#2D2704

Tritanopia (blue-blind)

#232823

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #212b01;
/* rgb */ color: rgb(33, 43, 1);
/* oklch */ color: oklch(27.0% 0.064 122.4);

Tailwind

colors: {
  custom: {
    50: '#5d6447',
    500: '#212b01',
    950: '#000000',
  },
}

SCSS

$custom: #212b01;
$custom-light: #5d6447;
$custom-dark: #000000;

JSON

{
  "hex": "#212b01",
  "rgb": {
    "r": 33,
    "g": 43,
    "b": 1
  },
  "hsl": {
    "h": 74.286,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.26991,
    "c": 0.06437,
    "h": 122.4
  },
  "luminance": 0.02053
}

Semantic roles & 50–950 ramp

primary

#212B01

secondary

#2C1771

accent

#29FF5C

background

#F5F5F4

surface

#E9EAE6

border

#C5C6C2

text

#040500

muted

#797977

Preview Lab

Preview with #212B01

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

Preview Lab → · Contrast checker → · Palette generator →