#1F2C01#1F2C01

#1F2C01 is a dark, moderate yellow-green. Relative luminance 0.021; OKLCH L 27.1% C 0.067 H 125.3°. Best body text is #FFFFFF at 14.80:1 contrast (WCAG AA passes).

Color values

HEX	#1F2C01
RGB	rgb(31, 44, 1)
HSL	hsl(78, 96%, 9%)
HSV	hsv(78, 98%, 17%)
CMYK	cmyk(29.5%, 0%, 97.7%, 82.7%)
CIE-LAB	lab(15.98, -13.22, 22.46)
CIE-LCH	lch(15.98, 26.07, 120.49°)
OKLab	oklab(27.12% -0.0388 0.0547)
OKLCH	oklch(27.12% 0.067 125.3)
XYZ	xyz(1.4712, 2.0948, 0.3555)
Luminance	0.0209 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2C01 #0E012C

analogous

#2C2401 #1F2C01 #0A2C01

triadic

#1F2C01 #011F2C #2C011F

tetradic

#1F2C01 #012C24 #0E012C #2C010A

square

#1F2C01 #012C24 #0E012C #2C010A

split-complementary

#1F2C01 #010A2C #24012C

monochromatic

#151E01 #151E01 #1F2C01 #496802 #73A404

Accessibility & contrast

On white

14.80

#1F2C01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1F2C01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2C01

14.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2C01	#FFFFFF	#000000	##FFFFFF
##1F2C01	1.00	14.80	1.42	14.80
#FFFFFF	14.80	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2800

Deuteranopia (green-blind)

#2D2804

Tritanopia (blue-blind)

#212924

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1f2c01;
/* rgb */ color: rgb(31, 44, 1);
/* oklch */ color: oklch(27.1% 0.067 125.3);

Tailwind

colors: {
  custom: {
    50: '#5c6547',
    500: '#1f2c01',
    950: '#000000',
  },
}

SCSS

$custom: #1f2c01;
$custom-light: #5c6547;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2c01",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 1
  },
  "hsl": {
    "h": 78.14,
    "s": 95.556,
    "l": 8.824
  },
  "oklch": {
    "l": 0.27121,
    "c": 0.06702,
    "h": 125.3
  },
  "luminance": 0.02095
}

Semantic roles & 50–950 ramp

primary

#1F2C01

secondary

#321772

accent

#29FF6A

background

#F5F6F4

surface

#E9EBE6

border

#C5C6C2

text

#040500

muted

#797A77

Preview Lab

Preview with #1F2C01

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

Preview Lab → · Contrast checker → · Palette generator →