#2B2801#2B2801

#2B2801 is a dark, muted yellow. Relative luminance 0.020; OKLCH L 27.2% C 0.056 H 105.1°. Best body text is #FFFFFF at 14.93:1 contrast (WCAG AA passes).

Color values

HEX	#2B2801
RGB	rgb(43, 40, 1)
HSL	hsl(56, 95%, 9%)
HSV	hsv(56, 98%, 17%)
CMYK	cmyk(0%, 7%, 97.7%, 83.1%)
CIE-LAB	lab(15.66, -4.18, 22.30)
CIE-LCH	lch(15.66, 22.69, 100.61°)
OKLab	oklab(27.15% -0.0147 0.0545)
OKLCH	oklch(27.15% 0.056 105.1)
XYZ	xyz(1.7606, 2.0334, 0.3285)
Luminance	0.0203 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2801 #01042B

analogous

#2B1301 #2B2801 #192B01

triadic

#2B2801 #012B28 #28012B

tetradic

#2B2801 #012B13 #01042B #2B0119

square

#2B2801 #012B13 #01042B #2B0119

split-complementary

#2B2801 #01192B #13012B

monochromatic

#1E1C01 #1E1C01 #2B2801 #676002 #A39704

Accessibility & contrast

On white

14.93

#2B2801 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#2B2801 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2801

14.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2801	#FFFFFF	#000000	##FFFFFF
##2B2801	1.00	14.93	1.41	14.93
#FFFFFF	14.93	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2600

Deuteranopia (green-blind)

#2E2803

Tritanopia (blue-blind)

#2F2421

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #2b2801;
/* rgb */ color: rgb(43, 40, 1);
/* oklch */ color: oklch(27.2% 0.056 105.1);

Tailwind

colors: {
  custom: {
    50: '#666147',
    500: '#2b2801',
    950: '#000000',
  },
}

SCSS

$custom: #2b2801;
$custom-light: #666147;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2801",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 1
  },
  "hsl": {
    "h": 55.714,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.27152,
    "c": 0.05643,
    "h": 105.1
  },
  "luminance": 0.02033
}

Semantic roles & 50–950 ramp

primary

#2B2801

secondary

#171D71

accent

#38FF29

background

#F6F5F4

surface

#EBE9E6

border

#C6C5C2

text

#060500

muted

#7A7977

Preview Lab

Preview with #2B2801

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

Preview Lab → · Contrast checker → · Palette generator →