#1B3103#1B3103

#1B3103 is a dark, moderate yellow-green. Relative luminance 0.024; OKLCH L 28.4% C 0.075 H 132.1°. Best body text is #FFFFFF at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#1B3103
RGB	rgb(27, 49, 3)
HSL	hsl(89, 88%, 10%)
HSV	hsv(89, 94%, 19%)
CMYK	cmyk(44.9%, 0%, 93.9%, 80.8%)
CIE-LAB	lab(17.63, -17.70, 23.61)
CIE-LCH	lch(17.63, 29.51, 126.85°)
OKLab	oklab(28.4% -0.0502 0.0555)
OKLCH	oklch(28.4% 0.075 132.1)
XYZ	xyz(1.5667, 2.4361, 0.4738)
Luminance	0.0244 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B3103 #190331

analogous

#313003 #1B3103 #043103

triadic

#1B3103 #031B31 #31031B

tetradic

#1B3103 #033130 #190331 #310304

square

#1B3103 #033130 #190331 #310304

split-complementary

#1B3103 #030431 #300331

monochromatic

#101D02 #101D02 #1B3103 #3B6B07 #5BA40A

Accessibility & contrast

On white

14.12

#1B3103 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1B3103 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B3103

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B3103	#FFFFFF	#000000	##FFFFFF
##1B3103	1.00	14.12	1.49	14.12
#FFFFFF	14.12	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342C00

Deuteranopia (green-blind)

#312B07

Tritanopia (blue-blind)

#1B2E28

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1b3103;
/* rgb */ color: rgb(27, 49, 3);
/* oklch */ color: oklch(28.4% 0.075 132.1);

Tailwind

colors: {
  custom: {
    50: '#596948',
    500: '#1b3103',
    950: '#000000',
  },
}

SCSS

$custom: #1b3103;
$custom-light: #596948;
$custom-dark: #000000;

JSON

{
  "hex": "#1b3103",
  "rgb": {
    "r": 27,
    "g": 49,
    "b": 3
  },
  "hsl": {
    "h": 88.696,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.28397,
    "c": 0.0748,
    "h": 132.1
  },
  "luminance": 0.02436
}

Semantic roles & 50–950 ramp

primary

#1B3103

secondary

#461B74

accent

#29FF8F

background

#F5F6F4

surface

#E9EBE6

border

#C5C6C2

text

#040600

muted

#797A77

Preview Lab

Preview with #1B3103

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

Preview Lab → · Contrast checker → · Palette generator →