#45180B#45180B

#45180B is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.7% C 0.073 H 36.7°. Best body text is #FFFFFF at 15.12:1 contrast (WCAG AA passes).

Color values

HEX#45180B
RGBrgb(69, 24, 11)
HSLhsl(13, 73%, 16%)
HSVhsv(13, 84%, 27%)
CMYKcmyk(0%, 65.2%, 84.1%, 72.9%)
CIE-LABlab(15.19, 20.76, 18.43)
CIE-LCHlch(15.19, 27.76, 41.59°)
OKLaboklab(27.67% 0.0586 0.0437)
OKLCHoklch(27.67% 0.073 36.7)
XYZxyz(2.8416, 1.9430, 0.5420)
Luminance0.0194 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45180B #0B3845
analogous
#450B1B #45180B #45350B
triadic
#45180B #0B4518 #180B45
tetradic
#45180B #1B450B #0B3845 #350B45
square
#45180B #1B450B #0B3845 #350B45
split-complementary
#45180B #0B4535 #0B1B45
monochromatic
#1A0904 #1A0904 #45180B #7A2A13 #AF3D1C

Accessibility & contrast

On white

15.12
#45180B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.39
#45180B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #45180B
15.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45180B#FFFFFF#000000##FFFFFF
##45180B1.0015.121.3915.12
#FFFFFF15.121.0021.001.00
#0000001.3921.001.0021.00
##FFFFFF15.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#242009
Deuteranopia (green-blind)
#2F2A0A
Tritanopia (blue-blind)
#4D0E15
Achromatopsia (no color)
#262626

Design tokens & code

CSS
--color: #45180b;
/* rgb */ color: rgb(69, 24, 11);
/* oklch */ color: oklch(27.7% 0.073 36.7);
Tailwind
colors: {
  custom: {
    50: '#7d574b',
    500: '#45180b',
    950: '#000000',
  },
}
SCSS
$custom: #45180b;
$custom-light: #7d574b;
$custom-dark: #000000;
JSON
{
  "hex": "#45180b",
  "rgb": {
    "r": 69,
    "g": 24,
    "b": 11
  },
  "hsl": {
    "h": 13.448,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.27669,
    "c": 0.0731,
    "h": 36.7
  },
  "luminance": 0.01943
}

Semantic roles & 50–950 ramp

primary
#45180B
secondary
#2A6E81
accent
#C6EF39
background
#F8F5F4
surface
#EFE9E7
border
#CAC5C3
text
#0A0301
muted
#7C7877

Preview Lab

Preview with #45180B

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

Preview Lab → · Contrast checker → · Palette generator →

#45180B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva