#1C370A#1C370A

#1C370A is a dark, moderate yellow-green. Relative luminance 0.030; OKLCH L 30.4% C 0.077 H 135.4°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX#1C370A
RGBrgb(28, 55, 10)
HSLhsl(96, 69%, 13%)
HSVhsv(96, 82%, 22%)
CMYKcmyk(49.1%, 0%, 81.8%, 78.4%)
CIE-LABlab(20.05, -19.69, 23.61)
CIE-LCHlch(20.05, 30.74, 129.83°)
OKLaboklab(30.42% -0.0548 0.054)
OKLCHoklch(30.42% 0.077 135.4)
XYZxyz(1.8998, 3.0011, 0.7663)
Luminance0.0300 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C370A #250A37
analogous
#32370A #1C370A #0A370E
triadic
#1C370A #0A1C37 #370A1C
tetradic
#1C370A #0A3237 #250A37 #370E0A
square
#1C370A #0A3237 #250A37 #370E0A
split-complementary
#1C370A #0E0A37 #370A32
monochromatic
#0D1A05 #0D1A05 #1C370A #366B13 #519F1D

Accessibility & contrast

On white

13.12
#1C370A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.60
#1C370A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C370A
13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C370A#FFFFFF#000000##FFFFFF
##1C370A1.0013.121.6013.12
#FFFFFF13.121.0021.001.00
#0000001.6021.001.0021.00
##FFFFFF13.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#393204
Deuteranopia (green-blind)
#36300E
Tritanopia (blue-blind)
#1B352E
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #1c370a;
/* rgb */ color: rgb(28, 55, 10);
/* oklch */ color: oklch(30.4% 0.077 135.4);
Tailwind
colors: {
  custom: {
    50: '#5b6e4c',
    500: '#1c370a',
    950: '#000000',
  },
}
SCSS
$custom: #1c370a;
$custom-light: #5b6e4c;
$custom-dark: #000000;
JSON
{
  "hex": "#1c370a",
  "rgb": {
    "r": 28,
    "g": 55,
    "b": 10
  },
  "hsl": {
    "h": 96,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.30416,
    "c": 0.07698,
    "h": 135.4
  },
  "luminance": 0.03001
}

Semantic roles & 50–950 ramp

primary
#1C370A
secondary
#562874
accent
#3CECA6
background
#F5F6F4
surface
#E9EBE7
border
#C5C6C3
text
#040701
muted
#797A77

Preview Lab

Preview with #1C370A

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

Preview Lab → · Contrast checker → · Palette generator →

#1C370A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva