#1C3601#1C3601

#1C3601 is a dark, moderate yellow-green. Relative luminance 0.029; OKLCH L 30.0% C 0.083 H 132.9°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#1C3601
RGB	rgb(28, 54, 1)
HSL	hsl(89, 96%, 11%)
HSV	hsv(89, 98%, 21%)
CMYK	cmyk(48.1%, 0%, 98.1%, 78.8%)
CIE-LAB	lab(19.59, -20.03, 26.75)
CIE-LCH	lch(19.59, 33.42, 126.83°)
OKLab	oklab(30.01% -0.0568 0.061)
OKLCH	oklch(30.01% 0.083 132.9)
XYZ	xyz(1.8035, 2.8873, 0.4910)
Luminance	0.0289 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Dark Green

#033500

ΔE00 4.31

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.08

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3601 #1B0136

analogous

#363501 #1C3601 #013601

triadic

#1C3601 #011C36 #36011C

tetradic

#1C3601 #013635 #1B0136 #360101

square

#1C3601 #013635 #1B0136 #360101

split-complementary

#1C3601 #010136 #350136

monochromatic

#101E01 #101E01 #1C3601 #3B7202 #5AAE03

Accessibility & contrast

On white

13.31

#1C3601 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1C3601 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3601

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3601	#FFFFFF	#000000	##FFFFFF
##1C3601	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393100

Deuteranopia (green-blind)

#352F06

Tritanopia (blue-blind)

#1C332C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c3601;
/* rgb */ color: rgb(28, 54, 1);
/* oklch */ color: oklch(30.0% 0.083 132.9);

Tailwind

colors: {
  custom: {
    50: '#5b6d48',
    500: '#1c3601',
    950: '#000000',
  },
}

SCSS

$custom: #1c3601;
$custom-light: #5b6d48;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3601",
  "rgb": {
    "r": 28,
    "g": 54,
    "b": 1
  },
  "hsl": {
    "h": 89.434,
    "s": 96.364,
    "l": 10.784
  },
  "oklch": {
    "l": 0.30012,
    "c": 0.08332,
    "h": 132.9
  },
  "luminance": 0.02887
}

Semantic roles & 50–950 ramp

primary

#1C3601

secondary

#48187B

accent

#29FF92

background

#F5F6F4

surface

#E9EBE6

border

#C5C6C2

text

#040700

muted

#797A77

Preview Lab

Preview with #1C3601

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

Preview Lab → · Contrast checker → · Palette generator →