#511F10#511F10

#511F10 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.1% C 0.079 H 37.2°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX#511F10
RGBrgb(81, 31, 16)
HSLhsl(14, 67%, 19%)
HSVhsv(14, 80%, 32%)
CMYKcmyk(0%, 61.7%, 80.2%, 68.2%)
CIE-LABlab(19.09, 22.35, 21.25)
CIE-LCHlch(19.09, 30.84, 43.55°)
OKLaboklab(31.09% 0.0632 0.048)
OKLCHoklch(31.09% 0.079 37.2)
XYZxyz(3.9773, 2.7672, 0.8148)
Luminance0.0277 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#511F10 #104251
analogous
#511022 #511F10 #514010
triadic
#511F10 #10511F #1F1051
tetradic
#511F10 #225110 #104251 #401051
square
#511F10 #225110 #104251 #401051
split-complementary
#511F10 #105140 #102251
monochromatic
#1A0A05 #1E0B06 #511F10 #84331A #B74624

Accessibility & contrast

On white

13.52
#511F10 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.55
#511F10 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F10
13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##511F10#FFFFFF#000000##FFFFFF
##511F101.0013.521.5513.52
#FFFFFF13.521.0021.001.00
#0000001.5521.001.0021.00
##FFFFFF13.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D270E
Deuteranopia (green-blind)
#39330F
Tritanopia (blue-blind)
#5A141C
Achromatopsia (no color)
#2E2E2E

Design tokens & code

CSS
--color: #511f10;
/* rgb */ color: rgb(81, 31, 16);
/* oklch */ color: oklch(31.1% 0.079 37.2);
Tailwind
colors: {
  custom: {
    50: '#875c4f',
    500: '#511f10',
    950: '#000000',
  },
}
SCSS
$custom: #511f10;
$custom-light: #875c4f;
$custom-dark: #000000;
JSON
{
  "hex": "#511f10",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 16
  },
  "hsl": {
    "h": 13.846,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.31091,
    "c": 0.07936,
    "h": 37.2
  },
  "luminance": 0.02767
}

Semantic roles & 50–950 ramp

primary
#511F10
secondary
#32768B
accent
#C2EA3E
background
#F8F5F4
surface
#F0E9E7
border
#CBC5C3
text
#0C0402
muted
#7D7978

Preview Lab

Preview with #511F10

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

Preview Lab → · Contrast checker → · Palette generator →

#511F10 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva