#42380A#42380A

#42380A is a dark, moderate yellow. Relative luminance 0.040; OKLCH L 34.2% C 0.063 H 96.3°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX#42380A
RGBrgb(66, 56, 10)
HSLhsl(49, 74%, 15%)
HSVhsv(49, 85%, 26%)
CMYKcmyk(0%, 15.2%, 84.8%, 74.1%)
CIE-LABlab(23.70, -1.42, 28.49)
CIE-LCHlch(23.70, 28.52, 92.86°)
OKLaboklab(34.18% -0.0069 0.0627)
OKLCHoklch(34.18% 0.063 96.3)
XYZxyz(3.7159, 4.0087, 0.8651)
Luminance0.0401 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42380A #0A1442
analogous
#421C0A #42380A #30420A
triadic
#42380A #0A4238 #380A42
tetradic
#42380A #0A421C #0A1442 #420A30
square
#42380A #0A421C #0A1442 #420A30
split-complementary
#42380A #0A3042 #1C0A42
monochromatic
#1B1704 #1B1704 #42380A #776512 #AC921A

Accessibility & contrast

On white

11.66
#42380A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.80
#42380A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42380A
11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42380A#FFFFFF#000000##FFFFFF
##42380A1.0011.661.8011.66
#FFFFFF11.661.0021.001.00
#0000001.8021.001.0021.00
##FFFFFF11.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F3704
Deuteranopia (green-blind)
#413A0D
Tritanopia (blue-blind)
#48332F
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #42380a;
/* rgb */ color: rgb(66, 56, 10);
/* oklch */ color: oklch(34.2% 0.063 96.3);
Tailwind
colors: {
  custom: {
    50: '#796e4d',
    500: '#42380a',
    950: '#000000',
  },
}
SCSS
$custom: #42380a;
$custom-light: #796e4d;
$custom-dark: #000000;
JSON
{
  "hex": "#42380a",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 10
  },
  "hsl": {
    "h": 49.286,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.34178,
    "c": 0.06309,
    "h": 96.3
  },
  "luminance": 0.04009
}

Semantic roles & 50–950 ramp

primary
#42380A
secondary
#29387F
accent
#58F037
background
#F7F6F4
surface
#EEEBE7
border
#C9C6C3
text
#090701
muted
#7B7A77

Preview Lab

Preview with #42380A

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

Preview Lab → · Contrast checker → · Palette generator →

#42380A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva