#45100F#45100F

#45100F is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.5% C 0.081 H 25.5°. Best body text is #FFFFFF at 15.74:1 contrast (WCAG AA passes).

Color values

HEX#45100F
RGBrgb(69, 16, 15)
HSLhsl(1, 64%, 16%)
HSVhsv(1, 78%, 27%)
CMYKcmyk(0%, 76.8%, 78.3%, 72.9%)
CIE-LABlab(13.65, 25.23, 14.52)
CIE-LCHlch(13.65, 29.11, 29.92°)
OKLaboklab(26.53% 0.0735 0.0351)
OKLCHoklch(26.53% 0.081 25.5)
XYZxyz(2.7261, 1.6707, 0.6308)
Luminance0.0167 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45100F #0F4445
analogous
#450F29 #45100F #452B0F
triadic
#45100F #0F4510 #100F45
tetradic
#45100F #29450F #0F4445 #2B0F45
square
#45100F #29450F #0F4445 #2B0F45
split-complementary
#45100F #0F452B #0F2945
monochromatic
#190605 #190605 #45100F #771C1A #AA2725

Accessibility & contrast

On white

15.74
#45100F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.33
#45100F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #45100F
15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45100F#FFFFFF#000000##FFFFFF
##45100F1.0015.741.3315.74
#FFFFFF15.741.0021.001.00
#0000001.3321.001.0021.00
##FFFFFF15.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1F1C0E
Deuteranopia (green-blind)
#2C270D
Tritanopia (blue-blind)
#4D0310
Achromatopsia (no color)
#232323

Design tokens & code

CSS
--color: #45100f;
/* rgb */ color: rgb(69, 16, 15);
/* oklch */ color: oklch(26.5% 0.081 25.5);
Tailwind
colors: {
  custom: {
    50: '#7e524d',
    500: '#45100f',
    950: '#000000',
  },
}
SCSS
$custom: #45100f;
$custom-light: #7e524d;
$custom-dark: #000000;
JSON
{
  "hex": "#45100f",
  "rgb": {
    "r": 69,
    "g": 16,
    "b": 15
  },
  "hsl": {
    "h": 1.111,
    "s": 64.286,
    "l": 16.471
  },
  "oklch": {
    "l": 0.26535,
    "c": 0.08142,
    "h": 25.5
  },
  "luminance": 0.0167
}

Semantic roles & 50–950 ramp

primary
#45100F
secondary
#307E7F
accent
#E4E741
background
#F8F4F4
surface
#EFE7E7
border
#CAC3C3
text
#0B0201
muted
#7C7877

Preview Lab

Preview with #45100F

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

Preview Lab → · Contrast checker → · Palette generator →

#45100F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva