Nerdulator> put something in

Recognised as Colour

#1D1111

  • #1D1111
  • Red
  • Dark
  • Nearest: Black

#1D1111 is a red with RGB values 29, 17, 17 and HSL 0°, 26%, 9%. It is a dark colour, so white text on it reaches 18.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1D1111#1D1111
HEX#1D1111
RGBrgb(29, 17, 17)
RGB (0–1)0.1137, 0.0667, 0.0667
RGB percentages11.4%, 6.7%, 6.7%
HSLhsl(0, 26.1%, 9%)
HSV / HSBhsv(0, 41.4%, 11.4%)
CMYK0%, 41.4%, 41.4%, 88.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,904,913
CSS custom property--colour: #1D1111;

Brightness & contrast

Relative luminance0.00703WCAG 2.x, 0 is black and 1 is white
Perceived brightness21.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.41:1
Contrast with white18.41:1WCAG normal text: AAA
Contrast with black1.14:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#E2EEEE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#131311no red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#161511no green cones; the most common form, about 1% of men; ΔE 6.2 from the original
Tritanopia#1F1011no blue cones; rare, and affects men and women equally; ΔE 1.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.41:1WCAG large text: AAA
Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Black · ΔE 8.8Dark slate grey · ΔE 31Dim grey · ΔE 38.6Gray · ΔE 47.6Slate grey · ΔE 48.8Light slate grey · ΔE 51.9
Nearest named CSS colourBlack (#000000)ΔE 8.8, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#111D1D
Analogous#1D1117, #1D1711
Triadic#111D11, #11111D
Split complementary#111D17, #11171D
Tetradic#171D11, #111D1D, #17111D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9E5C5C
Lighter +30%#7D4A4A
Lighter +20%#5D3737
Lighter +10%#3D2424
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#230B0B
Less saturated −25%#171717

Channel breakdown

R29
G17
B17
Red29 (11.4%)
Green17 (6.7%)
Blue17 (6.7%)
Hue0°
Saturation (HSL)26.09%
Lightness9.02%
Dominant channelRed
Hex per channelR 1D · G 11 · B 11

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “1d1111” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.