#1B2003#1B2003

#1B2003 is a very dark, muted yellow-green. Relative luminance 0.013; OKLCH L 23.1% C 0.049 H 118.4°. Best body text is #FFFFFF at 16.74:1 contrast (WCAG AA passes).

Color values

HEX	#1B2003
RGB	rgb(27, 32, 3)
HSL	hsl(70, 83%, 7%)
HSV	hsv(70, 91%, 13%)
CMYK	cmyk(15.6%, 0%, 90.6%, 87.5%)
CIE-LAB	lab(11.08, -7.72, 15.10)
CIE-LCH	lch(11.08, 16.96, 117.08°)
OKLab	oklab(23.08% -0.0231 0.0427)
OKLCH	oklch(23.08% 0.049 118.4)
XYZ	xyz(0.9850, 1.2726, 0.2799)
Luminance	0.0127 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 14.41

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2003 #080320

analogous

#201703 #1B2003 #0D2003

triadic

#1B2003 #031B20 #20031B

tetradic

#1B2003 #032017 #080320 #20030D

square

#1B2003 #032017 #080320 #20030D

split-complementary

#1B2003 #030D20 #170320

monochromatic

#181C03 #181C03 #1B2003 #4A5808 #79900D

Accessibility & contrast

On white

16.74

#1B2003 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#1B2003 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2003

16.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2003	#FFFFFF	#000000	##FFFFFF
##1B2003	1.00	16.74	1.25	16.74
#FFFFFF	16.74	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231E01

Deuteranopia (green-blind)

#221E05

Tritanopia (blue-blind)

#1D1E1A

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #1b2003;
/* rgb */ color: rgb(27, 32, 3);
/* oklch */ color: oklch(23.1% 0.049 118.4);

Tailwind

colors: {
  custom: {
    50: '#575b48',
    500: '#1b2003',
    950: '#000000',
  },
}

SCSS

$custom: #1b2003;
$custom-light: #575b48;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2003",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 3
  },
  "hsl": {
    "h": 70.345,
    "s": 82.857,
    "l": 6.863
  },
  "oklch": {
    "l": 0.23083,
    "c": 0.04857,
    "h": 118.4
  },
  "luminance": 0.01273
}

Semantic roles & 50–950 ramp

primary

#1B2003

secondary

#271B64

accent

#2FF952

background

#F5F5F4

surface

#E9E9E6

border

#C5C5C2

text

#030400

muted

#787977

Preview Lab

Preview with #1B2003

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

Preview Lab → · Contrast checker → · Palette generator →