#2B3001#2B3001

#2B3001 is a dark, moderate yellow. Relative luminance 0.026; OKLCH L 29.4% C 0.066 H 115.9°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#2B3001
RGB	rgb(43, 48, 1)
HSL	hsl(66, 96%, 10%)
HSV	hsv(66, 98%, 19%)
CMYK	cmyk(10.4%, 0%, 97.9%, 81.2%)
CIE-LAB	lab(18.50, -9.31, 25.77)
CIE-LCH	lch(18.50, 27.40, 109.86°)
OKLab	oklab(29.42% -0.0289 0.0594)
OKLCH	oklch(29.42% 0.066 115.9)
XYZ	xyz(2.0588, 2.6297, 0.4278)
Luminance	0.0263 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3001 #060130

analogous

#301E01 #2B3001 #143001

triadic

#2B3001 #012B30 #30012B

tetradic

#2B3001 #01301E #060130 #300114

square

#2B3001 #01301E #060130 #300114

split-complementary

#2B3001 #011430 #1E0130

monochromatic

#1B1E01 #1B1E01 #2B3001 #616C02 #96A803

Accessibility & contrast

On white

13.76

#2B3001 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#2B3001 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3001

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3001	#FFFFFF	#000000	##FFFFFF
##2B3001	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342D00

Deuteranopia (green-blind)

#342D04

Tritanopia (blue-blind)

#2F2C27

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #2b3001;
/* rgb */ color: rgb(43, 48, 1);
/* oklch */ color: oklch(29.4% 0.066 115.9);

Tailwind

colors: {
  custom: {
    50: '#666847',
    500: '#2b3001',
    950: '#000000',
  },
}

SCSS

$custom: #2b3001;
$custom-light: #666847;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3001",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 1
  },
  "hsl": {
    "h": 66.383,
    "s": 95.918,
    "l": 9.608
  },
  "oklch": {
    "l": 0.2942,
    "c": 0.06608,
    "h": 115.9
  },
  "luminance": 0.0263
}

Semantic roles & 50–950 ramp

primary

#2B3001

secondary

#211776

accent

#29FF40

background

#F6F6F4

surface

#EBEBE6

border

#C6C6C2

text

#060600

muted

#7A7A77

Preview Lab

Preview with #2B3001

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

Preview Lab → · Contrast checker → · Palette generator →