#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
RGBrgb(28, 54, 1)
HSLhsl(89, 96%, 11%)
HSVhsv(89, 98%, 21%)
CMYKcmyk(48.1%, 0%, 98.1%, 78.8%)
CIE-LABlab(19.59, -20.03, 26.75)
CIE-LCHlch(19.59, 33.42, 126.83°)
OKLaboklab(30.01% -0.0568 0.061)
OKLCHoklch(30.01% 0.083 132.9)
XYZxyz(1.8035, 2.8873, 0.4910)
Luminance0.0289 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

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
##1C36011.0013.311.5813.31
#FFFFFF13.311.0021.001.00
#0000001.5821.001.0021.00
##FFFFFF13.311.0021.001.00

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 →

#1C3601 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva